{"pageNumber":"446","pageRowStart":"11125","pageSize":"25","recordCount":46644,"records":[{"id":70220303,"text":"70220303 - 2015 - Use of historic Persian water system data in groundwater models: Examples from Afghanistan and Emirates","interactions":[],"lastModifiedDate":"2021-05-06T11:47:58.073282","indexId":"70220303","displayToPublicDate":"2015-12-31T08:49:49","publicationYear":"2015","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Use of historic Persian water system data in groundwater models: Examples from Afghanistan and Emirates","docAbstract":"Obtaining calibration data for models depicting conditions during pre-development periods can be challenging as such periods are characteristically data poor.  This study presents two examples where simulation of historic water conveyance structures were used to help characterize historic, or pre-modern, conditions in calibration of groundwater flow models. Persian water conveyance structures, called ‘aflaj’ (or singular ‘falaj’) in the Emirates, ‘karezes’ in Afghanistan, or ‘qanats’ in some other regions, consists of a hand dug tunnels, hundreds to thousands of meters long, that intersect upgradient water table surfaces and convey water downgradient for domestic use and irrigation of small farms. These structures can be identified, using remote imagery, by the presence of regularly spaced access holes that were used to create and maintain these tunnel systems. This type of water-supply system was commonly used throughout North Africa, the Middle East, and Asia for centuries. They are generally not used today having largely been supplanted by modern groundwater wells, and, in many areas these structures have failed because of water-table declines caused by groundwater development and/or climate change. Evidence of these systems from satellite imagery provides an indication of pre-modern water levels and this information was used in the calibration of two contrasting pre-development models in Afghanistan and the Emirates.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"MODLFOW and more 2015, modeling a complex world proceedings","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"International Groundwater Modeling Center","usgsCitation":"Mack, T., and Eggleston, J., 2015, Use of historic Persian water system data in groundwater models: Examples from Afghanistan and Emirates, <i>in</i> MODLFOW and more 2015, modeling a complex world proceedings, p. 403-406.","productDescription":"4 p.","startPage":"403","endPage":"406","ipdsId":"IP-066075","costCenters":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"links":[{"id":385450,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Afghanistan, United Arab Emirates","state":"Abu Dhabi Emirate","otherGeospatial":"Chakari Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              55.50018310546874,\n              23.976214626638292\n            ],\n            [\n              56.02958679199219,\n              23.976214626638292\n            ],\n            [\n              56.02958679199219,\n              24.35773102145271\n            ],\n            [\n              55.50018310546874,\n              24.35773102145271\n            ],\n            [\n              55.50018310546874,\n              23.976214626638292\n            ]\n          ]\n        ]\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              68.79089355468749,\n              33.78827853625996\n            ],\n            [\n              69.6478271484375,\n              33.78827853625996\n            ],\n            [\n              69.6478271484375,\n              35.191766965947394\n            ],\n            [\n              68.79089355468749,\n              35.191766965947394\n            ],\n            [\n              68.79089355468749,\n              33.78827853625996\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Mack, Thomas J. 0000-0002-0496-3918","orcid":"https://orcid.org/0000-0002-0496-3918","contributorId":218727,"corporation":false,"usgs":true,"family":"Mack","given":"Thomas J.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true},{"id":405,"text":"NH/VT office of New England Water Science Center","active":true,"usgs":true}],"preferred":true,"id":815073,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eggleston, Jack R. 0000-0001-6633-3041","orcid":"https://orcid.org/0000-0001-6633-3041","contributorId":204628,"corporation":false,"usgs":true,"family":"Eggleston","given":"Jack R.","affiliations":[{"id":614,"text":"Virginia Water Science Center","active":true,"usgs":true},{"id":466,"text":"New England Water Science Center","active":true,"usgs":true},{"id":37786,"text":"WMA - Observing Systems Division","active":true,"usgs":true}],"preferred":true,"id":815074,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70190299,"text":"70190299 - 2015 - The evolution of mapping habitat for northern spotted owls (Strix occidentalis caurina): A comparison of photo-interpreted, Landsat-based, and lidar-based habitat maps","interactions":[],"lastModifiedDate":"2017-08-24T12:12:24","indexId":"70190299","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3254,"text":"Remote Sensing of Environment","printIssn":"0034-4257","active":true,"publicationSubtype":{"id":10}},"displayTitle":"The evolution of mapping habitat for northern spotted owls (<i>Strix occidentalis caurina</i>): A comparison of photo-interpreted, Landsat-based, and lidar-based habitat maps","title":"The evolution of mapping habitat for northern spotted owls (Strix occidentalis caurina): A comparison of photo-interpreted, Landsat-based, and lidar-based habitat maps","docAbstract":"<p id=\"sp0005\">Wildlife habitat mapping has evolved at a rapid pace over the last few decades. Beginning with simple, often subjective, hand-drawn maps, habitat mapping now involves complex species distribution models (SDMs) using mapped predictor variables derived from remotely sensed data. For species that inhabit large geographic areas, remote sensing technology is often essential for producing range wide maps. Habitat monitoring for northern spotted owls (<i>Strix occidentalis caurina</i>), whose geographic covers about 23&nbsp;million&nbsp;ha, is based on SDMs that use Landsat Thematic Mapper imagery to create forest vegetation data layers using gradient nearest neighbor (GNN) methods. Vegetation data layers derived from GNN are modeled relationships between forest inventory plot data, climate and topographic data, and the spectral signatures acquired by the satellite. When used as predictor variables for SDMs, there is some transference of the GNN modeling error to the final habitat map.</p><p id=\"sp0010\">Recent increases in the use of light detection and ranging (lidar) data, coupled with the need to produce spatially accurate and detailed forest vegetation maps have spurred interest in its use for SDMs and habitat mapping. Instead of modeling predictor variables from remotely sensed spectral data, lidar provides direct measurements of vegetation height for use in SDMs. We expect a SDM habitat map produced from directly measured predictor variables to be more accurate than one produced from modeled predictors.</p><p id=\"sp0015\">We used maximum entropy (Maxent) SDM modeling software to compare predictive performance and estimates of habitat area between Landsat-based and lidar-based northern spotted owl SDMs and habitat maps. We explored the differences and similarities between these maps, and to a pre-existing aerial photo-interpreted habitat map produced by local wildlife biologists. The lidar-based map had the highest predictive performance based on 10 bootstrapped replicate models (AUC&nbsp;=&nbsp;0.809&nbsp;±&nbsp;0.011), but the performance of the Landsat-based map was within acceptable limits (AUC&nbsp;=&nbsp;0.717&nbsp;±&nbsp;0.021). As is common with photo-interpreted maps, there was no accuracy assessment available for comparison. The photo-interpreted map produced the highest and lowest estimates of habitat area, depending on which habitat classes were included (nesting, roosting, and foraging habitat&nbsp;=&nbsp;9962&nbsp;ha, nesting habitat only&nbsp;=&nbsp;6036&nbsp;ha). The Landsat-based map produced an estimate of habitat area that was within this range (95% CI: 6679–9592&nbsp;ha), while the lidar-based map produced an area estimate similar to what was interpreted by local wildlife biologists as nesting (i.e., high quality) habitat using aerial imagery (95% CI: 5453–7216). Confidence intervals of habitat area estimates from the SDMs based on Landsat and lidar overlapped.</p><p id=\"sp0020\">We concluded that both Landsat- and lidar-based SDMs produced reasonable maps and area estimates for northern spotted owl habitat within the study area. The lidar-based map was more precise and spatially similar to what local wildlife biologists considered spotted owl nesting habitat. The Landsat-based map provided a less precise spatial representation of habitat within the relatively small geographic confines of the study area, but habitat area estimates were similar to both the photo-interpreted and lidar-based maps.</p><p id=\"sp0025\">Photo-interpreted maps are time consuming to produce, subjective in nature, and difficult to replicate. SDMs provide a framework for efficiently producing habitat maps that can be replicated as habitat conditions change over time, provided that comparable remotely sensed data are available. When the SDM uses predictor variables extracted from lidar data, it can produce a habitat map that is both accurate and useful at large and small spatial scales. In comparison, SDMs using Landsat-based data are more appropriate for large scale analyses of amounts and general spatial patterns of habitat at regional scales.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.rse.2014.09.025","usgsCitation":"Ackers, S.H., Davis, R.J., Olsen, K., and Dugger, K., 2015, The evolution of mapping habitat for northern spotted owls (Strix occidentalis caurina): A comparison of photo-interpreted, Landsat-based, and lidar-based habitat maps: Remote Sensing of Environment, v. 156, p. 361-373, https://doi.org/10.1016/j.rse.2014.09.025.","productDescription":"13 p.","startPage":"361","endPage":"373","ipdsId":"IP-049418","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":345111,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"156","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"599fe5bae4b038630d022104","contributors":{"authors":[{"text":"Ackers, Steven H.","contributorId":36065,"corporation":false,"usgs":true,"family":"Ackers","given":"Steven","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":708389,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Davis, Raymond J.","contributorId":150574,"corporation":false,"usgs":false,"family":"Davis","given":"Raymond","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":708390,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Olsen, K.","contributorId":61570,"corporation":false,"usgs":true,"family":"Olsen","given":"K.","email":"","affiliations":[],"preferred":false,"id":708391,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dugger, Katie M. 0000-0002-4148-246X cdugger@usgs.gov","orcid":"https://orcid.org/0000-0002-4148-246X","contributorId":4399,"corporation":false,"usgs":true,"family":"Dugger","given":"Katie","email":"cdugger@usgs.gov","middleInitial":"M.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":708356,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70189737,"text":"70189737 - 2015 - Kawah Ijen volcanic activity: A review","interactions":[],"lastModifiedDate":"2017-07-25T12:52:38","indexId":"70189737","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1109,"text":"Bulletin of Volcanology","active":true,"publicationSubtype":{"id":10}},"title":"Kawah Ijen volcanic activity: A review","docAbstract":"Kawah Ijen is a composite volcano located at the easternmost part of Java island in Indonesia and hosts the largest natural acidic lake in the world. We have gathered all available historical reports on Kawah Ijen’s activity since 1770 with the purpose of reviewing the temporal evolution of its activity. Most of these observations and studies have been conducted from a geochemical perspective and in punctuated scientific campaigns. Starting in 1991, the seismic activity and a set of volcanic lake parameters began to be weekly available. We present a database of those measurements that, combined with historical reports, allow us to review each eruption/unrest that occurred during the last two centuries. As of 2010, the volcanic activity is monitored by a new multi-disciplinary network, including digital seismic stations, and lake level and temperature measurements. This detailed monitoring provides an opportunity for better classifying seismic events and forecasting volcanic unrest at Kawah Ijen, but only with the understanding of the characteristics of this volcanic system gained from the historical review presented here.","language":"English","publisher":"Springer","doi":"10.1007/s00445-014-0885-8","usgsCitation":"Caudron, C., Syahbana, D.K., Lecocq, T., van Hinsberg, V., McCausland, W., Triantafyllou, A., Camelbeeck, T., Bernard, A., and , S., 2015, Kawah Ijen volcanic activity: A review: Bulletin of Volcanology, v. 77, Article 16; 39 p., https://doi.org/10.1007/s00445-014-0885-8.","productDescription":"Article 16; 39 p.","ipdsId":"IP-060477","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":471552,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s00445-014-0885-8","text":"Publisher Index Page"},{"id":344231,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Indonesia","otherGeospatial":"Kawah Ijen","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              109.00634765625,\n              -9.156332560046778\n            ],\n            [\n              114.98291015625,\n              -9.156332560046778\n            ],\n            [\n              114.98291015625,\n              -6.124169589851178\n            ],\n            [\n              109.00634765625,\n              -6.124169589851178\n            ],\n            [\n              109.00634765625,\n              -9.156332560046778\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"77","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2015-02-07","publicationStatus":"PW","scienceBaseUri":"59770751e4b0ec1a48889f84","contributors":{"authors":[{"text":"Caudron, Corentin","contributorId":194972,"corporation":false,"usgs":false,"family":"Caudron","given":"Corentin","affiliations":[],"preferred":false,"id":705999,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Syahbana, Devy Kamil","contributorId":194973,"corporation":false,"usgs":false,"family":"Syahbana","given":"Devy","email":"","middleInitial":"Kamil","affiliations":[],"preferred":false,"id":706000,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lecocq, Thomas","contributorId":141030,"corporation":false,"usgs":false,"family":"Lecocq","given":"Thomas","email":"","affiliations":[{"id":13659,"text":"Royal Observatory of Belgium","active":true,"usgs":false}],"preferred":false,"id":706001,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"van Hinsberg, Vincent","contributorId":194974,"corporation":false,"usgs":false,"family":"van Hinsberg","given":"Vincent","affiliations":[],"preferred":false,"id":706002,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"McCausland, Wendy wmccausland@usgs.gov","contributorId":5497,"corporation":false,"usgs":true,"family":"McCausland","given":"Wendy","email":"wmccausland@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":705998,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Triantafyllou, Antoine","contributorId":194975,"corporation":false,"usgs":false,"family":"Triantafyllou","given":"Antoine","email":"","affiliations":[],"preferred":false,"id":706003,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Camelbeeck, Thierry","contributorId":141031,"corporation":false,"usgs":false,"family":"Camelbeeck","given":"Thierry","email":"","affiliations":[{"id":13659,"text":"Royal Observatory of Belgium","active":true,"usgs":false}],"preferred":false,"id":706004,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Bernard, Alain","contributorId":194976,"corporation":false,"usgs":false,"family":"Bernard","given":"Alain","email":"","affiliations":[],"preferred":false,"id":706005,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":" Surono","contributorId":149582,"corporation":false,"usgs":false,"given":"Surono","email":"","affiliations":[],"preferred":false,"id":706006,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":70147404,"text":"70147404 - 2015 - Point-source stochastic-method simulations of ground motions for the PEER NGA-East Project","interactions":[],"lastModifiedDate":"2017-06-12T09:04:39","indexId":"70147404","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"Point-source stochastic-method simulations of ground motions for the PEER NGA-East Project","docAbstract":"Ground-motions for the PEER NGA-East project were simulated using a point-source stochastic method.  The simulated motions are provided for distances between   of 0 and 1200 km, M from 4 to 8, and 25 ground-motion intensity measures: peak ground velocity (PGV), peak ground acceleration (PGA), and 5%-damped pseudoabsolute response spectral acceleration (PSA) for 23 periods ranging from 0.01 s to 10.0 s.  Tables of motions are provided for each of six attenuation models.  The attenuation-model-dependent stress parameters used in the stochastic-method simulations were derived from inversion of PSA data from eight earthquakes in eastern North America.","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"NGA-East Median Ground-Motion Models for the Central and Eastern North America Region","largerWorkSubtype":{"id":9,"text":"Other Report"},"language":"English","publisher":"Pacific Earthquake Engineering Research Center (PEER)","publisherLocation":"Berkeley,  CA","usgsCitation":"Boore, D., 2015, Point-source stochastic-method simulations of ground motions for the PEER NGA-East Project, 39 p.","productDescription":"39 p.","startPage":"11","endPage":"49","ipdsId":"IP-062687","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":342367,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":342368,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://peer.berkeley.edu/publications/peer_reports/reports_2015/reports_2015.html"}],"publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"593fa831e4b0764e6c62794b","contributors":{"authors":[{"text":"Boore, David 0000-0002-8605-9673 boore@usgs.gov","orcid":"https://orcid.org/0000-0002-8605-9673","contributorId":140502,"corporation":false,"usgs":true,"family":"Boore","given":"David","email":"boore@usgs.gov","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":545912,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70197947,"text":"70197947 - 2015 - GEAR1: A Global Earthquake Activity Rate model constructed from geodetic strain rates and smoothed seismicity","interactions":[],"lastModifiedDate":"2018-06-28T16:06:55","indexId":"70197947","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"GEAR1: A Global Earthquake Activity Rate model constructed from geodetic strain rates and smoothed seismicity","docAbstract":"Global earthquake activity rate model 1 (GEAR1) estimates the rate of shallow earthquakes with magnitudes 6–9 everywhere on Earth. It was designed to be reproducible and testable. Our preferred hybrid forecast is a log–linear blend of two parent forecasts based on the Global Centroid Moment Tensor (CMT) catalog (smoothing 4602 m≥5.767 shallow earthquakes, 1977–2004) and the Global Strain Rate Map version 2.1 (smoothing 22,415 Global Positioning System velocities), optimized to best forecast the 2005–2012 Global CMT catalog. Strain rate is a proxy for fault stress accumulation, and earthquakes indicate stress release, so a multiplicative blend is desirable, capturing the strengths of both approaches. This preferred hybrid forecast outperforms its seismicity and strain‐rate parents; the chance that this improvement stems from random seismicity fluctuations is less than 1%. The preferred hybrid is also tested against the independent parts of the International Seismological Centre‐Global Earthquake Model catalog (m≥6.8 during 1918–1976) with similar success. GEAR1 is an update of this preferred hybrid. Comparing GEAR1 to the Uniform California Earthquake Rupture Forecast Version 3 (UCERF3), net earthquake rates agree within 4% at m≥5.8 and at m≥7.0. The spatial distribution of UCERF3 epicentroids most resembles GEAR1 after UCERF3 is smoothed with a 30 km kernel. Because UCERF3 has been constructed to derive useful information from fault geometry, slip rates, paleoseismic data, and enhanced seismic catalogs (not used in our model), this is encouraging. To build parametric catastrophe bonds from GEAR1, one could calculate the magnitude for which there is a 1% (or any) annual probability of occurrence in local regions.","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0120150058","usgsCitation":"Bird, P., Jackson, D.D., Kagan, Y.Y., Kreemer, C., and Stein, R., 2015, GEAR1: A Global Earthquake Activity Rate model constructed from geodetic strain rates and smoothed seismicity: Bulletin of the Seismological Society of America, v. 105, no. 5, p. 2538-2554, https://doi.org/10.1785/0120150058.","productDescription":"17 p.","startPage":"2538","endPage":"2554","ipdsId":"IP-063010","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":355413,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"105","issue":"5","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2015-09-01","publicationStatus":"PW","scienceBaseUri":"5b46e9b6e4b060350a15d348","contributors":{"authors":[{"text":"Bird, Peter","contributorId":195948,"corporation":false,"usgs":false,"family":"Bird","given":"Peter","email":"","affiliations":[],"preferred":false,"id":739277,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jackson, David D.","contributorId":94762,"corporation":false,"usgs":true,"family":"Jackson","given":"David","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":739278,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kagan, Yan Y.","contributorId":206059,"corporation":false,"usgs":false,"family":"Kagan","given":"Yan","email":"","middleInitial":"Y.","affiliations":[{"id":13399,"text":"UCLA","active":true,"usgs":false}],"preferred":false,"id":739279,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kreemer, Corne","contributorId":15902,"corporation":false,"usgs":true,"family":"Kreemer","given":"Corne","email":"","affiliations":[],"preferred":false,"id":739280,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Stein, Ross 0000-0001-7586-3933 rstein@usgs.gov","orcid":"https://orcid.org/0000-0001-7586-3933","contributorId":206056,"corporation":false,"usgs":true,"family":"Stein","given":"Ross","email":"rstein@usgs.gov","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":739276,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70193683,"text":"70193683 - 2015 - Regulating services as measures of ecological resilience on DoD lands","interactions":[],"lastModifiedDate":"2017-12-21T10:20:18","indexId":"70193683","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesNumber":"Project RC-201114","title":"Regulating services as measures of ecological resilience on DoD lands","docAbstract":"<p>Knowledge of the capacity and flow of ecosystem services can help DoD land managers make decisions that enhance cost-effectiveness, minimize environmental damage, and maximize resources available for military missions. We demonstrated a methodology to quantify and map selected regulating services (RS), which helps land managers envision tradeoffs. Our objectives were to 1) estimate current capacity of and demand for selected RS within DoD lands, 2) examine the effects of future DoD land management and climate changes on the capacity and flow of these RS, and 3) project how land-use and climate changes in nearby lands affect future demand for RS. Our approach incorporates widely accepted models and equations, remote sensing, GIS analysis, and stakeholder involvement. Required data include land cover/use, soil type, precipitation, and air temperature. We integrated data into the a) Surface Curve Number Method and b) Revised Universal Soil Loss Equation to estimate capacity of sediment, nitrogen (N) and surface-water regulation. Capacities and flows of RS vary greatly across landscapes and are likely to vary as climate changes or development occurs. Analyses of RS capacity and flow can help managers and planners prioritize actions in the context of best management practices and compatible use buffers. Staff surveys indicated that our approach was informative and easy to use. Implementation may be most limited by on-installation personnel time.</p>","language":"English","publisher":"Environmental Security Technology Certification Program (ESTCP)","publisherLocation":"Alexandria, VA","usgsCitation":"Angermeier, P.L., and Villamagna, A.M., 2015, Regulating services as measures of ecological resilience on DoD lands, v, 93 p.","productDescription":"v, 93 p.","ipdsId":"IP-064228","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":350118,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350117,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://serdp-estcp.org/Program-Areas/Resource-Conservation-and-Resiliency/Natural-Resources/Watershed-Processes-and-Management/RC-201114"}],"publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a60fe3be4b06e28e9c252cd","contributors":{"authors":[{"text":"Angermeier, Paul L. 0000-0003-2864-170X biota@usgs.gov","orcid":"https://orcid.org/0000-0003-2864-170X","contributorId":166679,"corporation":false,"usgs":true,"family":"Angermeier","given":"Paul","email":"biota@usgs.gov","middleInitial":"L.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":719882,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Villamagna, Amy M.","contributorId":201421,"corporation":false,"usgs":false,"family":"Villamagna","given":"Amy","email":"","middleInitial":"M.","affiliations":[{"id":12694,"text":"Virginia Tech","active":true,"usgs":false}],"preferred":false,"id":725238,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70192407,"text":"70192407 - 2015 - Using monitoring data to map amphibian breeding hotspots and describe wetland vulnerability in Yellowstone and Grand Teton National Parks","interactions":[],"lastModifiedDate":"2017-10-25T13:24:18","indexId":"70192407","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3014,"text":"Park Science","active":true,"publicationSubtype":{"id":10}},"title":"Using monitoring data to map amphibian breeding hotspots and describe wetland vulnerability in Yellowstone and Grand Teton National Parks","docAbstract":"Amphibians have been selected as a “vital sign” by several National Park Service (NPS) Inventory and Monitoring (I&M) networks. An eight-year amphibian monitoring data set provided opportunities to examine spatial and temporal patterns in amphibian breeding richness and wetland desiccation across Yellowstone and Grand Teton National Parks. Amphibian breeding richness was variable across both parks and only four of 31 permanent monitoring catchments contained all four widely distributed species. Annual breeding richness was also variable through time and fluctuated by as much as 75% in some years and catchments. Wetland desiccation was also documented across the region, but alone did not explain variations in amphibian richness. High annual variability across the region emphasizes the need for multiple years of monitoring to accurately describe amphibian richness and wetland desiccation dynamics.","language":"English","publisher":"National Park Service","usgsCitation":"Ray, A.M., Legg, K., Sepulveda, A.J., Hossack, B.R., and Patla, D., 2015, Using monitoring data to map amphibian breeding hotspots and describe wetland vulnerability in Yellowstone and Grand Teton National Parks: Park Science, v. 31, no. 1, p. 112-117.","productDescription":"6 p.","startPage":"112","endPage":"117","ipdsId":"IP-056831","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":347365,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":347362,"type":{"id":15,"text":"Index Page"},"url":"https://www.nature.nps.gov/ParkScience/index.cfm?ArticleID=691"}],"country":"United States","state":"Idaho, Montana, 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blake_hossack@usgs.gov","orcid":"https://orcid.org/0000-0001-7456-9564","contributorId":1177,"corporation":false,"usgs":true,"family":"Hossack","given":"Blake","email":"blake_hossack@usgs.gov","middleInitial":"R.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true},{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":715722,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Patla, Debra","contributorId":190257,"corporation":false,"usgs":false,"family":"Patla","given":"Debra","affiliations":[],"preferred":false,"id":715723,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70189993,"text":"70189993 - 2015 - Underpressure in Mesozoic and Paleozoic rock units in the Midcontinent of the United States","interactions":[],"lastModifiedDate":"2017-08-01T15:37:13","indexId":"70189993","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":605,"text":"AAPG Bulletin","printIssn":"0149-1423","active":true,"publicationSubtype":{"id":10}},"title":"Underpressure in Mesozoic and Paleozoic rock units in the Midcontinent of the United States","docAbstract":"Potentiometric surfaces for Paleozoic strata, based on water well levels and selected drill-stem tests, reveal the control on hydraulic head exerted by outcrops in eastern Kansas and Oklahoma. From outcrop in the east, the westward climb of hydraulic head is much less than that of the land surface, with heads falling so far below land surface that the pressure:depth ratio in eastern Colorado is less than 5.7 kPa/m (0.25 psi/ft). Permian evaporites separate the Paleozoic hydrogeologic units from a Lower Cretaceous (Dakota Group) aquifer, and a highly saline brine plume pervading Paleozoic units in central Kansas and Oklahoma is attributed to dissolution of Permian halite. Underpressure also exists in the Lower Cretaceous hydrogeologic unit in the Denver Basin, which is hydrologically separate from the Paleozoic units. The data used to construct the seven potentiometric surfaces were also used to construct seven maps of pressure:depth ratio. These latter maps are a function of the differences among hydraulic head, land-surface elevation, and formation elevation. As a consequence, maps of pressure:depth ratio reflect the interplay of three topologies that evolved independently with time. As underpressure developed, gas migrated in response to the changing pressure regime, most notably filling the Hugoton gas field in southwestern Kansas. The timing of underpressure development was determined by the timing of outcrop exposure and tilting of the Great Plains. Explorationists in western Kansas and eastern Colorado should not be surprised if a reservoir is underpressured; rather, they should be surprised if it is not.","language":"English","publisher":"AAPG","doi":"10.1306/04171514169","usgsCitation":"Nelson, P.H., Gianoutsos, N.J., and Drake II, R.M., 2015, Underpressure in Mesozoic and Paleozoic rock units in the Midcontinent of the United States: AAPG Bulletin, v. 99, no. 10, p. 1861-1892, https://doi.org/10.1306/04171514169.","productDescription":"32 p.","startPage":"1861","endPage":"1892","ipdsId":"IP-059467","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":344519,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Arkansas, Colorado, Kansas, Iowa, Missouri, Nebraska, New Mexico, Oklahoma, Texas, Wyoming","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -107.2705078125,\n              43.45291889355465\n            ],\n            [\n              -107.4462890625,\n              33.211116472416855\n            ],\n            [\n              -91.8896484375,\n              33.00866349457558\n            ],\n            [\n              -92.28515625,\n              43.51668853502906\n            ],\n            [\n              -107.2705078125,\n              43.45291889355465\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"99","issue":"10","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"59819315e4b0e2f5d463b79f","contributors":{"authors":[{"text":"Nelson, Philip H. pnelson@usgs.gov","contributorId":862,"corporation":false,"usgs":true,"family":"Nelson","given":"Philip","email":"pnelson@usgs.gov","middleInitial":"H.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":707030,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gianoutsos, Nicholas J. 0000-0002-6510-6549 ngianoutsos@usgs.gov","orcid":"https://orcid.org/0000-0002-6510-6549","contributorId":3607,"corporation":false,"usgs":true,"family":"Gianoutsos","given":"Nicholas","email":"ngianoutsos@usgs.gov","middleInitial":"J.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true},{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":707031,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Drake II, Ronald M. 0000-0002-1770-4667 rmdrake@usgs.gov","orcid":"https://orcid.org/0000-0002-1770-4667","contributorId":172671,"corporation":false,"usgs":true,"family":"Drake II","given":"Ronald","email":"rmdrake@usgs.gov","middleInitial":"M.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":707032,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70157102,"text":"70157102 - 2015 - The role of suspension events in cross-shore and longshore suspended sediment transport in the surf zone","interactions":[],"lastModifiedDate":"2017-05-10T12:11:32","indexId":"70157102","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"The role of suspension events in cross-shore and longshore suspended sediment transport in the surf zone","docAbstract":"Suspension of sand in the surf zone is intermittent. Especially striking in a time series of concentration are periods of intense suspension, suspension events, when the water column suspended sediment concentration is an order of magnitude greater than the mean concentration. The prevalence, timing, and contribution of suspension events to cross-shore and longshore suspended sediment transport are explored using field data collected in the inner half of the surf zone during a large storm at Duck, NC. Suspension events are defined as periods when the concentration is above a threshold. Events tended to occur during onshore flow under the wave crest, resulting in an onshore contribution to the suspended sediment transport. Even though large events occurred less than 10 percent of the total time, at some locations onshore transport associated with suspension events was greater than mean-current driven offshore-directed transport during non-event periods, causing the net suspended sediment transport to be onshore. Events and fluctuations in longshore velocity were not correlated. However, events did increase the longshore suspended sediment transport by approximately the amount they increase the mean concentration, which can be up to 35%. Because of the lack of correlation, the longshore suspended sediment transport can be modeled without considering the details of the intensity and time of events as the vertical integration of the product of the time-averaged longshore velocity and an event-augmented time-averaged concentration.  However, to accurately model cross-shore suspended sediment transport, the timing and intensity of suspension events must be reproduced.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"The Proceedings of the Coastal Sediments 2015","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"Coastal Sediments 2015","conferenceDate":"May 11-15, 2015","conferenceLocation":"San Diego, CA","language":"English","publisher":"World Scientific","usgsCitation":"Jaffe, B.E., 2015, The role of suspension events in cross-shore and longshore suspended sediment transport in the surf zone, <i>in</i> The Proceedings of the Coastal Sediments 2015, San Diego, CA, May 11-15, 2015.","ipdsId":"IP-063552","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":341066,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"North Carolina","city":"Duck","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -76.036376953125,\n              36.0624217151089\n            ],\n            [\n              -75.6134033203125,\n              36.0624217151089\n            ],\n            [\n              -75.6134033203125,\n              36.53832942872818\n            ],\n            [\n              -76.036376953125,\n              36.53832942872818\n            ],\n            [\n              -76.036376953125,\n              36.0624217151089\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"591426bee4b0e541a03e960e","contributors":{"authors":[{"text":"Jaffe, Bruce E. 0000-0002-8816-5920 bjaffe@usgs.gov","orcid":"https://orcid.org/0000-0002-8816-5920","contributorId":2049,"corporation":false,"usgs":true,"family":"Jaffe","given":"Bruce","email":"bjaffe@usgs.gov","middleInitial":"E.","affiliations":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":571652,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70156884,"text":"70156884 - 2015 - Life on the edge in eastern Alaska: Basal Ordovician(Tremadocian), platform-margin faunas of the Jones Ridge Formation","interactions":[],"lastModifiedDate":"2017-05-10T12:55:16","indexId":"70156884","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3481,"text":"Stratigraphy","active":true,"publicationSubtype":{"id":10}},"title":"Life on the edge in eastern Alaska: Basal Ordovician(Tremadocian), platform-margin faunas of the Jones Ridge Formation","docAbstract":"<p>As the most fossiliferous and least deformed succession of unequivocally Laurentian lower Paleozoic strata in Alaska, the Jones Ridge Limestone has provided critical data for numerous stratigraphic studies (e. g. Palmer 1968; Harris et al. 1995; Dumoulin et al. 2002; Dumoulin and Harris 2012) focused on the Cambrian and Ordovician of northwestern North America/northeastern Laurentia (Figure 1). The Jones Ridge faunas are also significant in having provided the type material for some of the widespread and biostratigraphically useful latest Furongian and (perhaps) earliest Tremadocian species described by Kobayashi (1936) and Palmer (1968). Unfortunately, some of those taxa were based on very limited material for which, in the earlier study in particular, no detailed information regarding locality or stratigraphic horizon was provided. The limited amount of information and material available for study from Jones Ridge results largely from its remote location on the Yukon-Alaska boundary approximately 25km north of Eagle, Alaska, which renders it accessible only by helicopter. Parts of three field seasons (2010, 2011, and 2014) were invested in re-description and intensive sampling of the type section of the Jones Ridge Formation in order to produce an integrated and greatly refined set of biostratigraphic, chemostratigraphic, and sedimentological data. The new data support the interpretation offered by Palmer (1968) of the Jones Ridge strata as the product of deposition in outermost platform to upper slope environments offered by Palmer (1968) on the basis of taxonomic content of the faunas and close proximity of deep water units of equivalent age a very short distance to the southwest. </p>","conferenceTitle":"12th International Conference on the Ordovician System","conferenceDate":"June 8-11, 2015","conferenceLocation":"Harrisonburg, VA","language":"English","publisher":"Micropaleontology Press","usgsCitation":"Taylor, J.F., Allen, T.J., Repetski, J.E., Strauss, J.V., and Irwin, S.J., 2015, Life on the edge in eastern Alaska: Basal Ordovician(Tremadocian), platform-margin faunas of the Jones Ridge Formation: Stratigraphy, v. 12, no. 2, p. 71-77.","productDescription":"8 p.","startPage":"71","endPage":"77","ipdsId":"IP-065587","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"links":[{"id":341070,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":341069,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.micropress.org/microaccess/stratigraphy/issue-317/article-1931"}],"country":"United States","state":"Alaska","city":"Eagle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -76.036376953125,\n              36.0624217151089\n            ],\n            [\n              -75.6134033203125,\n              36.0624217151089\n            ],\n            [\n              -75.6134033203125,\n              36.53832942872818\n            ],\n            [\n              -76.036376953125,\n              36.53832942872818\n            ],\n            [\n              -76.036376953125,\n              36.0624217151089\n            ]\n          ]\n        ]\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -144.95361328125,\n              63.54855223203644\n            ],\n            [\n              -136.4501953125,\n              63.54855223203644\n            ],\n            [\n              -136.4501953125,\n              67.88381521322093\n            ],\n            [\n              -144.95361328125,\n              67.88381521322093\n            ],\n            [\n              -144.95361328125,\n              63.54855223203644\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"12","issue":"2","edition":"2015","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"591426bfe4b0e541a03e9612","contributors":{"authors":[{"text":"Taylor, J. F.","contributorId":147245,"corporation":false,"usgs":false,"family":"Taylor","given":"J.","email":"","middleInitial":"F.","affiliations":[{"id":16812,"text":"Indiana University of PA","active":true,"usgs":false}],"preferred":false,"id":570973,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Allen, T. J.","contributorId":147276,"corporation":false,"usgs":false,"family":"Allen","given":"T.","email":"","middleInitial":"J.","affiliations":[{"id":16812,"text":"Indiana University of PA","active":true,"usgs":false}],"preferred":false,"id":570974,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Repetski, John E. 0000-0002-2298-7120 jrepetski@usgs.gov","orcid":"https://orcid.org/0000-0002-2298-7120","contributorId":2596,"corporation":false,"usgs":true,"family":"Repetski","given":"John","email":"jrepetski@usgs.gov","middleInitial":"E.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":570972,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Strauss, J. V.","contributorId":147244,"corporation":false,"usgs":false,"family":"Strauss","given":"J.","email":"","middleInitial":"V.","affiliations":[{"id":16811,"text":"Harvard University","active":true,"usgs":false}],"preferred":false,"id":570975,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Irwin, S. J.","contributorId":147277,"corporation":false,"usgs":false,"family":"Irwin","given":"S.","email":"","middleInitial":"J.","affiliations":[{"id":16812,"text":"Indiana University of PA","active":true,"usgs":false}],"preferred":false,"id":570976,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70159763,"text":"70159763 - 2015 - Potential application of radiogenic isotopes and geophysical methods to understand the hydrothermal dystem of the Upper Geyser Basin, Yellowstone National Park","interactions":[],"lastModifiedDate":"2017-04-26T15:10:40","indexId":"70159763","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"seriesTitle":{"id":273,"text":"Natural Resource Report","active":false,"publicationSubtype":{"id":4}},"seriesNumber":"NPS/YELL/NRR—2015/1077","title":"Potential application of radiogenic isotopes and geophysical methods to understand the hydrothermal dystem of the Upper Geyser Basin, Yellowstone National Park","docAbstract":"Numerous geochemical and geophysical studies have been conducted at Yellowstone National Park to better understand the hydrogeologic processes supporting the thermal features of the Park. This report provides the first 87Sr/86Sr and 234U/238U data for thermal water from the Upper Geyser Basin (UGB) intended to evaluate whether heavy radiogenic isotopes might provide insight to sources of groundwater supply and how they interact over time and space. In addition, this report summarizes previous geophysical studies made at Yellowstone National Park and provides suggestions for applying non-invasive ground and airborne studies to better understand groundwater flow in the subsurface of the UGB. \r\nMultiple samples from Old Faithful, Aurum, Grand, Oblong, and Daisy geysers characterized previously for major-ion concentrations and isotopes of water (δ2H, δ18O, and 3H) were analyzed for Sr and U isotopes. Concentrations of dissolved Sr and U are low (4.3–128 ng g-1 Sr and 0.026–0.0008 ng g-1 U); consequently only 87Sr/86Sr data are reported for most samples. Values of 87Sr/86Sr for most geysers remained uniform between April and September 2007, but show large increases in all five geysers between late October 2007 and early April, 2008. By late summer of 2008, 87Sr/86Sr values returned to values similar to those observed a year earlier. Similar patterns are not present in major-ion data measured on the same samples. Furthermore, large geochemical differences documented between geysers are not observed in 87Sr/86Sr data, although smaller differences between sites may be present. Sr-isotope data are consistent with a stratified hydrologic system where water erupted in spring and summer of 2007 and summer of 2008 equilibrated with local intracaldera rhyolite flows at shallower depths. Water erupted between October 2007 and April 2008 includes greater amounts of groundwater that circulated deep enough to acquire a radiogenic 87Sr/86Sr, most likely from Archean basement rocks. Details of how the shallow and deep components interact and mechanisms causing these interactions remain unknown, but the data demonstrate the usefulness of obtaining Sr-isotope data from future sample campaigns. \r\nGeophysical methods that would be useful for characterization of the UGB subsurface properties and geothermal system include electromagnetic (EM), gravity, and ambient seismic. A suite of ground-based EM methods could be used in a synergistic combination together with airborne EM surveys to provide data for a range of spatial scales and resolutions. Existing thermal data for the shallow subsurface could be used to relate ground and airborne EM survey data to locations of geothermal fluids near the surface. Gravity surveys would be useful for mapping subsurface density anomalies and possibly monitoring changes in degree of saturation with groundwater. Ambient seismic surveys would be useful for estimating the thickness of unconsolidated deposits that contain the shallow groundwater system. \r\nA study that combines radiogenic isotope tracers with geophysical methods has the potential to better characterize the geothermal workings in the UGB. Insights gained could lead to a better understanding of the geothermal system and how Park infrastructure may cause perturbations. Measurements of radiogenic isotopes from multiple geysers and pools in localized areas within the UGB that are coupled with data from geophysical surveys would help refine conceptual models of mixing between deep- and shallow-derived subsurface fluids.","language":"English","publisher":"National Park Service","usgsCitation":"Paces, J.B., Long, A.J., and Koth, K.R., 2015, Potential application of radiogenic isotopes and geophysical methods to understand the hydrothermal dystem of the Upper Geyser Basin, Yellowstone National Park: Natural Resource Report NPS/YELL/NRR—2015/1077, Report: viii, 33 p.; Appendixes A & B.","productDescription":"Report: viii, 33 p.; Appendixes A & B","ipdsId":"IP-068244","costCenters":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"links":[{"id":340475,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":311583,"type":{"id":15,"text":"Index Page"},"url":"https://irma.nps.gov/App/Reference/Profile/2224966/"}],"country":"United States","state":"Wyoming","otherGeospatial":"Yellowstone National Park","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -111.060791015625,\n              43.878097874251736\n            ],\n            [\n              -109.70947265625,\n              43.878097874251736\n            ],\n            [\n              -109.70947265625,\n              45.00365115687186\n            ],\n            [\n              -111.060791015625,\n              45.00365115687186\n            ],\n            [\n              -111.060791015625,\n              43.878097874251736\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5901b1bde4b0c2e071a99ba6","contributors":{"authors":[{"text":"Paces, James B. 0000-0002-9809-8493 jbpaces@usgs.gov","orcid":"https://orcid.org/0000-0002-9809-8493","contributorId":2514,"corporation":false,"usgs":true,"family":"Paces","given":"James","email":"jbpaces@usgs.gov","middleInitial":"B.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":580366,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Long, Andrew J. 0000-0001-7385-8081 ajlong@usgs.gov","orcid":"https://orcid.org/0000-0001-7385-8081","contributorId":989,"corporation":false,"usgs":true,"family":"Long","given":"Andrew","email":"ajlong@usgs.gov","middleInitial":"J.","affiliations":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true},{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"preferred":true,"id":580367,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Koth, Karl R. kkoth@usgs.gov","contributorId":4817,"corporation":false,"usgs":true,"family":"Koth","given":"Karl","email":"kkoth@usgs.gov","middleInitial":"R.","affiliations":[{"id":562,"text":"South Dakota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":580368,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70191674,"text":"70191674 - 2015 - User-interactive sediment budgets in a browser: A web application for river science and management","interactions":[],"lastModifiedDate":"2018-02-20T13:56:00","indexId":"70191674","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"displayTitle":"User-interactive sediment budgets in a browser: A web application for river science and management","title":"User-interactive sediment budgets in a browser: A web application for river science and management","docAbstract":"Decision-support tools providing accurate, near-real-time data and user-friendly interactive visualizations are of critical value to resource managers tasked with planning and carrying out management programs in their domain. Creating a system to continuously aggregate datasets and recompute derived values is difficult and error-prone when attempted by hand. To address this need for river managers in support of sediment budgeting, we have created a web-based, open source suite of tools and processes that 1) continually aggregate data of interest, 2) recompute derived values based upon latest available data, and 3) update visualizations on-demand, providing simple front-end tools available to resource managers and the public. For the first time, engineers and scientists can access these tools freely over the web to assist them with planning and adaptive management decisions.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the 5th Federal Interagency Hydrologic Modeling Conference and the 10th Federal Interagency Sedimentation Conference","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"5th Federal Interagency Hydrologic Modeling Conference and the 10th Federal Interagency Sedimentation Conference ","conferenceDate":"April 19-23, 2015","conferenceLocation":"Reno, NV","language":"English","publisher":"U.S. Department of Interior","usgsCitation":"Sibley, D.M., Topping, D., Hines, M., and Garner, B.D., 2015, User-interactive sediment budgets in a browser: A web application for river science and management, <i>in</i> Proceedings of the 5th Federal Interagency Hydrologic Modeling Conference and the 10th Federal Interagency Sedimentation Conference, Reno, NV, April 19-23, 2015, p. 595-605.","productDescription":"11 p.","startPage":"595","endPage":"605","ipdsId":"IP-076433","costCenters":[{"id":5054,"text":"Office of Water Information","active":true,"usgs":true}],"links":[{"id":351830,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":346747,"type":{"id":15,"text":"Index Page"},"url":"https://acwi.gov/sos/pubs/3rdJFIC/index.html"}],"publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5afeeb10e4b0da30c1bfc644","contributors":{"authors":[{"text":"Sibley, David M. dmsibley@usgs.gov","contributorId":4813,"corporation":false,"usgs":true,"family":"Sibley","given":"David","email":"dmsibley@usgs.gov","middleInitial":"M.","affiliations":[{"id":5054,"text":"Office of Water Information","active":true,"usgs":true},{"id":160,"text":"Center for Integrated Data Analytics","active":false,"usgs":true}],"preferred":true,"id":713025,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Topping, David J. 0000-0002-2104-4577 dtopping@usgs.gov","orcid":"https://orcid.org/0000-0002-2104-4577","contributorId":197244,"corporation":false,"usgs":true,"family":"Topping","given":"David J.","email":"dtopping@usgs.gov","affiliations":[],"preferred":true,"id":713026,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hines, Megan 0000-0002-9845-4849 mhines@usgs.gov","orcid":"https://orcid.org/0000-0002-9845-4849","contributorId":4783,"corporation":false,"usgs":true,"family":"Hines","given":"Megan","email":"mhines@usgs.gov","affiliations":[{"id":160,"text":"Center for Integrated Data Analytics","active":false,"usgs":true},{"id":5054,"text":"Office of Water Information","active":true,"usgs":true},{"id":677,"text":"Wisconsin Water Science Center","active":true,"usgs":true},{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":713027,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Garner, Bradley D. 0000-0002-6912-5093 bdgarner@usgs.gov","orcid":"https://orcid.org/0000-0002-6912-5093","contributorId":2133,"corporation":false,"usgs":true,"family":"Garner","given":"Bradley","email":"bdgarner@usgs.gov","middleInitial":"D.","affiliations":[{"id":5054,"text":"Office of Water Information","active":true,"usgs":true}],"preferred":true,"id":713028,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70193089,"text":"70193089 - 2015 - Spatiotemporal analysis of gene flow in Chesapeake Bay Diamondback Terrapins (Malaclemys terrapin)","interactions":[],"lastModifiedDate":"2017-11-01T11:19:35","indexId":"70193089","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2774,"text":"Molecular Ecology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Spatiotemporal analysis of gene flow in Chesapeake Bay Diamondback Terrapins (<i>Malaclemys terrapin</i>)","title":"Spatiotemporal analysis of gene flow in Chesapeake Bay Diamondback Terrapins (Malaclemys terrapin)","docAbstract":"<p>There is widespread concern regarding the impacts of anthropogenic activities on connectivity among populations of plants and animals, and understanding how contemporary and historical processes shape metapopulation dynamics is crucial for setting appropriate conservation targets. We used genetic data to identify population clusters and quantify gene flow over historical and contemporary time frames in the Diamondback Terrapin (<i>Malaclemys terrapin</i>). This species has a long and complicated history with humans, including commercial over-harvesting and subsequent translocation events during the early twentieth century. Today, terrapins face threats from habitat loss and mortality in fisheries bycatch. To evaluate population structure and gene flow among Diamondback Terrapin populations in the Chesapeake Bay region, we sampled 617 individuals from 15 localities, and screened individuals at 12 polymorphic microsatellite loci. Our goals were to demarcate metapopulation structure, quantify genetic diversity, estimate effective population sizes, and document temporal changes in gene flow. We found that terrapins in the Chesapeake Bay region harbor high levels of genetic diversity and form four populations. Effective population sizes were variable. Among most population comparisons, estimates of historical and contemporary terrapin gene flow were generally low (<i>m</i> <span>≈</span> 0.01). However, we detected a substantial increase in contemporary gene flow into Chesapeake Bay from populations outside the bay, as well as between two populations within Chesapeake Bay, possibly as a consequence of translocations during the early twentieth century. Our study shows that inferences across multiple time scales are needed to evaluate population connectivity, especially as recent changes may identify threats to population persistence.</p>","language":"English","publisher":"Wiley","doi":"10.1111/mec.13440","usgsCitation":"Converse, P.E., Kuchta, S., Roosenburg, W.R., Henry, P.F., Haramis, G., and King, T.L., 2015, Spatiotemporal analysis of gene flow in Chesapeake Bay Diamondback Terrapins (Malaclemys terrapin): Molecular Ecology, v. 24, no. 23, p. 5864-5876, https://doi.org/10.1111/mec.13440.","productDescription":"13 p.","startPage":"5864","endPage":"5876","ipdsId":"IP-065160","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":347846,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Maryland","otherGeospatial":"Chesapeake Bay region","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -77.860107421875,\n              36.56260003738545\n            ],\n            [\n              -74.212646484375,\n              36.56260003738545\n            ],\n            [\n              -74.212646484375,\n              39.715638134796336\n            ],\n            [\n              -77.860107421875,\n              39.715638134796336\n            ],\n            [\n              -77.860107421875,\n              36.56260003738545\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"24","issue":"23","publishingServiceCenter":{"id":10,"text":"Baltimore PSC"},"noUsgsAuthors":false,"publicationDate":"2015-11-20","publicationStatus":"PW","scienceBaseUri":"59f98bbbe4b0531197afa016","contributors":{"authors":[{"text":"Converse, Paul E.","contributorId":199020,"corporation":false,"usgs":false,"family":"Converse","given":"Paul","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":717940,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kuchta, Shawn R","contributorId":199021,"corporation":false,"usgs":false,"family":"Kuchta","given":"Shawn R","affiliations":[],"preferred":false,"id":717941,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Roosenburg, Willem R","contributorId":199022,"corporation":false,"usgs":false,"family":"Roosenburg","given":"Willem","email":"","middleInitial":"R","affiliations":[],"preferred":false,"id":717942,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Henry, Paula F. P. 0000-0002-7601-5546 phenry@usgs.gov","orcid":"https://orcid.org/0000-0002-7601-5546","contributorId":4485,"corporation":false,"usgs":true,"family":"Henry","given":"Paula","email":"phenry@usgs.gov","middleInitial":"F. P.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":717943,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Haramis, G. Michael mharamis@usgs.gov","contributorId":4001,"corporation":false,"usgs":true,"family":"Haramis","given":"G. Michael","email":"mharamis@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":717939,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"King, Tim L. tlking@usgs.gov","contributorId":3520,"corporation":false,"usgs":true,"family":"King","given":"Tim","email":"tlking@usgs.gov","middleInitial":"L.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":717944,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70193848,"text":"70193848 - 2015 - Decadal changes in phenology of peak abundance patterns of woodland pond salamanders in northern Wisconsin","interactions":[],"lastModifiedDate":"2017-11-07T12:30:52","indexId":"70193848","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5541,"text":"The Journal of North American Herpetology","active":true,"publicationSubtype":{"id":10}},"title":"Decadal changes in phenology of peak abundance patterns of woodland pond salamanders in northern Wisconsin","docAbstract":"<p>Woodland ponds are important landscape features that help sustain populations of amphibians that require this aquatic habitat for successful reproduction. Species abundance patterns often reflect site-specific differences in hydrology, physical characteristics, and surrounding vegetation. Large-scale processes such as changing land cover and environmental conditions are other potential drivers influencing amphibian populations in the Upper Midwest, but little information exists on the combined effects of these factors. We used Blue-spotted (Ambystoma laterale Hallowell) and Spotted Salamander (A. maculatum Shaw) monitoring data collected at the same woodland ponds thirteen years apart to determine if changing environmental conditions and vegetation cover in surrounding landscapes influenced salamander movement phenology and abundance. Four woodland ponds in northern Wisconsin were sampled for salamanders in April 1992-1994 and 2005-2007. While Blue-spotted Salamanders were more abundant than Spotted Salamanders in all ponds, there was no change in the numbers of either species over the years. However, peak numbers of Blue-spotted Salamanders occurred 11.7 days earlier (range: 9-14 days) in the 2000s compared to the 1990s; Spotted Salamanders occurred 9.5 days earlier (range: 3 - 13 days). Air and water temperatures (April 13- 24) increased, on average, 4.8°C and 3.7°C, respectively, between the decades regardless of pond. There were no discernible changes in canopy openness in surrounding forests between decades that would have warmed the water sooner (i.e., more light penetration). Our finding that salamander breeding phenology can vary by roughly 10 days in Wisconsin contributes to growing evidence that amphibian populations have responded to changing climate conditions by shifting life-cycle events. Managers can use this information to adjust monitoring programs and forest management activities in the surrounding landscape to avoid vulnerable amphibian movement periods. Considering direct and indirect stressors such as changing habitat and environmental conditions simultaneously to better understand trends in space and time can help improve monitoring programs for this taxa, which is at major risk of continued declines. </p>","language":"English","publisher":"Center for North American Amphibians and Reptiles","usgsCitation":"Donner, D.M., Ribic, C., Beck, A.J., Higgins, D., Eklund, D., and Reinecke, S., 2015, Decadal changes in phenology of peak abundance patterns of woodland pond salamanders in northern Wisconsin: The Journal of North American Herpetology, v. 1, p. 34-42.","productDescription":"19 p.","startPage":"34","endPage":"42","ipdsId":"IP-052626","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":348374,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":348372,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://jnah.cnah.org/"}],"country":"United States","state":"Wisconsin","otherGeospatial":"Medford-Park Falls District of the Chequamegon-Nicolet National Forest","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -90.37353515625,\n              45.63516665067313\n            ],\n            [\n              -89.97528076171875,\n              45.63516665067313\n            ],\n            [\n              -89.97528076171875,\n              45.94542053059529\n            ],\n            [\n              -90.37353515625,\n              45.94542053059529\n            ],\n            [\n              -90.37353515625,\n              45.63516665067313\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"1","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a07eb1de4b09af898c8ccb9","contributors":{"authors":[{"text":"Donner, Deahn M.","contributorId":171823,"corporation":false,"usgs":false,"family":"Donner","given":"Deahn","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":720914,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ribic, Christine 0000-0003-2583-1778 caribic@usgs.gov","orcid":"https://orcid.org/0000-0003-2583-1778","contributorId":147952,"corporation":false,"usgs":true,"family":"Ribic","given":"Christine","email":"caribic@usgs.gov","affiliations":[{"id":5068,"text":"Midwest Regional Director's Office","active":true,"usgs":true},{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":720642,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Beck, Albert J.","contributorId":200078,"corporation":false,"usgs":false,"family":"Beck","given":"Albert","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":720915,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Higgins, Dale","contributorId":200079,"corporation":false,"usgs":false,"family":"Higgins","given":"Dale","email":"","affiliations":[],"preferred":false,"id":720916,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Eklund, Dan","contributorId":200080,"corporation":false,"usgs":false,"family":"Eklund","given":"Dan","email":"","affiliations":[],"preferred":false,"id":720917,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Reinecke, Susan","contributorId":200081,"corporation":false,"usgs":false,"family":"Reinecke","given":"Susan","email":"","affiliations":[],"preferred":false,"id":720918,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70157105,"text":"70157105 - 2015 - A comparative study of surface waves inversion techniques at strong motion recording sites in Greece","interactions":[],"lastModifiedDate":"2017-05-10T11:57:28","indexId":"70157105","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":18,"text":"Abstract or summary"},"title":"A comparative study of surface waves inversion techniques at strong motion recording sites in Greece","docAbstract":"Surface wave method was used for the estimation of Vs vs depth profile at 10 strong motion stations in Greece. The dispersion data were obtained by SASW method, utilizing a pair of electromechanical harmonic-wave source (shakers) or a random source (drop weight). In this study, three inversion techniques were used a) a recently proposed Simplified Inversion Method (SIM), b) an inversion technique based on a neighborhood algorithm (NA) which allows the incorporation of a priori information regarding the subsurface structure parameters, and c) Occam's inversion algorithm. For each site constant value of Poisson's ratio was assumed (ν=0.4) since the objective of the current study is the comparison of the three inversion schemes regardless the uncertainties resulting due to the lack of geotechnical data. A penalty function was introduced to quantify the deviations of the derived Vs profiles. The Vs models are compared as of Vs(z), Vs30 and EC8 soil category, in order to show the insignificance of the existing variations. The comparison results showed that the average variation of SIM profiles is 9% and 4.9% comparing with NA and Occam's profiles respectively whilst the average difference of Vs30 values obtained from SIM is 7.4% and 5.0% compared with NA and Occam's.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"Society of Exploration Geophysicists","doi":"10.4133/SAGEEP.28-063","collaboration":"Panagiotis C. Pelekis, ASPETE, Civil Engineering Dept., N. Heraklion, Greece\nAlexandros Savvaidis, Institute of Engineering Seismology and Earthquake Engineering, Greece\nVasileios S. Vlachakis, University of Patras, Civil Engineering Dept., Greece\nGeorge A. Athanasopoulos, University of Patras, Civil Engineering Dept., Greece","usgsCitation":"Pelekis, P.C., Savvaidis, A., Kayen, R.E., Vlachakis, V.S., and Athanasopoulos, G.A., 2015, A comparative study of surface waves inversion techniques at strong motion recording sites in Greece, <i>in</i> Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015, p. 452-455, https://doi.org/10.4133/SAGEEP.28-063.","productDescription":"4 p.","startPage":"452","endPage":"455","ipdsId":"IP-062736","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":341064,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Greece","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"MultiPolygon\",\"coordinates\":[[[[23.69998,35.705],[24.24667,35.36802],[25.02502,35.425],[25.76921,35.35402],[25.74502,35.18],[26.29,35.29999],[26.165,35.005],[24.72498,34.91999],[24.73501,35.08499],[23.51498,35.27999],[23.69998,35.705]]],[[[26.6042,41.56211],[26.2946,40.93626],[26.05694,40.82412],[25.44768,40.85255],[24.92585,40.94706],[23.71481,40.68713],[24.408,40.12499],[23.89997,39.96201],[23.343,39.961],[22.81399,40.47601],[22.6263,40.25656],[22.84975,39.65931],[23.35003,39.19001],[22.9731,38.9709],[23.53002,38.51],[24.02502,38.21999],[24.04001,37.65501],[23.115,37.92001],[23.40997,37.40999],[22.77497,37.30501],[23.15423,36.42251],[22.49003,36.41],[21.67003,36.84499],[21.29501,37.64499],[21.12003,38.31032],[20.73003,38.76999],[20.21771,39.34023],[20.15002,39.625],[20.615,40.11001],[20.675,40.435],[20.99999,40.58],[21.02004,40.84273],[21.67416,40.93127],[22.05538,41.14987],[22.59731,41.13049],[22.76177,41.3048],[22.95238,41.33799],[23.69207,41.30908],[24.49264,41.5839],[25.1972,41.23449],[26.10614,41.3289],[26.11704,41.8269],[26.6042,41.56211]]]]},\"properties\":{\"name\":\"Greece\"}}]}","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2015-03-26","publicationStatus":"PW","scienceBaseUri":"591426bee4b0e541a03e960a","contributors":{"authors":[{"text":"Pelekis, Panagiotis C.","contributorId":147428,"corporation":false,"usgs":false,"family":"Pelekis","given":"Panagiotis","email":"","middleInitial":"C.","affiliations":[{"id":16851,"text":"ASPETE, Civil Engineering Dept., N. Heraklion, Greece","active":true,"usgs":false}],"preferred":false,"id":571664,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Savvaidis, Alexandros","contributorId":147429,"corporation":false,"usgs":false,"family":"Savvaidis","given":"Alexandros","email":"","affiliations":[{"id":16852,"text":"Institute of Engineering Seismology and Earthquake Engineering, Greece","active":true,"usgs":false}],"preferred":false,"id":571665,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kayen, Robert E. 0000-0002-0356-072X rkayen@usgs.gov","orcid":"https://orcid.org/0000-0002-0356-072X","contributorId":140764,"corporation":false,"usgs":true,"family":"Kayen","given":"Robert","email":"rkayen@usgs.gov","middleInitial":"E.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":571663,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Vlachakis, Vasileios S.","contributorId":147430,"corporation":false,"usgs":false,"family":"Vlachakis","given":"Vasileios","email":"","middleInitial":"S.","affiliations":[{"id":16853,"text":"University of Patras, Civil Engineering Dept., Greece","active":true,"usgs":false}],"preferred":false,"id":571666,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Athanasopoulos, George A.","contributorId":147431,"corporation":false,"usgs":false,"family":"Athanasopoulos","given":"George","email":"","middleInitial":"A.","affiliations":[{"id":16853,"text":"University of Patras, Civil Engineering Dept., Greece","active":true,"usgs":false}],"preferred":false,"id":571667,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70160734,"text":"70160734 - 2015 - Great Lakes prey fish populations: A cross-basin Overview of status and trends based on bottom trawl surveys, 1978-2014","interactions":[],"lastModifiedDate":"2017-04-26T09:32:47","indexId":"70160734","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"title":"Great Lakes prey fish populations: A cross-basin Overview of status and trends based on bottom trawl surveys, 1978-2014","docAbstract":"The assessment of Great Lakes prey fish stocks have been conducted annually with bottom trawls since the 1970s by the Great Lakes Science Center, sometimes assisted by partner agencies. These stock assessments provide data on the status and trends of prey fish that are consumed by important commercial and recreational fishes. Although all these annual surveys are conducted using\nbottom trawls, they differ among the lakes in the proportion of the lake covered, seasonal timing, trawl gear used, and the manner in which the trawl is towed (across or along bottom contours). Because each assessment is unique, population indices were standardized to the highest value for a time series within each lake for the following prey species: Cisco (Coregonus artedi), Bloater (C. hoyi), Rainbow Smelt (Osmerus mordax), Alewife (Alosa pseudoharengus), and Round Goby (Neogobius melanostomus). In this report, standardized indices are presented in graphical form along with synopses to provide a short, informal cross-basin summary of the status and trends of principal prey fishes.","largerWorkTitle":"Compiled reports to the Great Lakes Fishery Commission of the Annual Bottom Trawl and Acoustics Surveys, 2014","language":"English","publisher":"Great Lakes Fishery Commission","collaboration":"Great Lakes Fishery Commission, Ontario Ministry of Natural Resources, Ohio Department of Natural Resources, New York State Department of Environmental Conservation, Pennsylvania Fish and Boat Commission","usgsCitation":"Gorman, O.T., and Weidel, B., 2015, Great Lakes prey fish populations: A cross-basin Overview of status and trends based on bottom trawl surveys, 1978-2014, 10 p.","productDescription":"10 p.","startPage":"96","endPage":"105","ipdsId":"IP-063855","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":340433,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":313014,"type":{"id":15,"text":"Index Page"},"url":"https://www.glfc.org/lakecom/common_docs/Compiled%20Reports%20from%20USGS%202015.pdf"}],"publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5901b1bce4b0c2e071a99ba2","contributors":{"authors":[{"text":"Gorman, Owen T. 0000-0003-0451-110X otgorman@usgs.gov","orcid":"https://orcid.org/0000-0003-0451-110X","contributorId":2888,"corporation":false,"usgs":true,"family":"Gorman","given":"Owen","email":"otgorman@usgs.gov","middleInitial":"T.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":583726,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Weidel, Brian 0000-0001-6095-2773 bweidel@usgs.gov","orcid":"https://orcid.org/0000-0001-6095-2773","contributorId":2485,"corporation":false,"usgs":true,"family":"Weidel","given":"Brian","email":"bweidel@usgs.gov","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":583727,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70192491,"text":"70192491 - 2015 - Factors affecting female space use in ten populations of prairie chickens","interactions":[],"lastModifiedDate":"2017-11-28T15:15:01","indexId":"70192491","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1475,"text":"Ecosphere","active":true,"publicationSubtype":{"id":10}},"title":"Factors affecting female space use in ten populations of prairie chickens","docAbstract":"<p><span>Conservation of wildlife depends on an understanding of the interactions between animal movements and key landscape factors. Habitat requirements of wide-ranging species often vary spatially, but quantitative assessment of variation among replicated studies at multiple sites is rare. We investigated patterns of space use for 10 populations of two closely related species of prairie grouse: Greater Prairie-Chickens (</span><i>Tympanuchus cupido</i><span>) and Lesser Prairie-Chickens (</span><i>T. pallidicinctus</i><span>). Prairie chickens require large, intact tracts of native grasslands, and are umbrella species for conservation of prairie ecosystems in North America. We used resource utilization functions to investigate space use by female prairie chickens during the 6-month breeding season from March through August in relation to lek sites, habitat conditions, and anthropogenic development. Our analysis included data from 382 radio-marked individuals across a major portion of the extant range. Our project is a unique opportunity to study comparative space use of prairie chickens, and we employed standardized methods that facilitated direct comparisons across an ecological gradient of study sites. Median home range size of females varied ~10-fold across 10 sites (3.6–36.7 km</span><sup>2</sup><span>), and home ranges tended to be larger at sites with higher annual precipitation. Proximity to lek sites was a strong and consistent predictor of space use for female prairie chickens at all 10 sites. The relative importance of other predictors of space use varied among sites, indicating that generalized habitat management guidelines may not be appropriate for these two species. Prairie chickens actively selected for prairie habitats, even at sites where ~90% of the land cover within the study area was prairie. A majority of the females monitored in our study (&gt;95%) had activity centers within 5 km of leks, suggesting that conservation efforts can be effectively concentrated near active lek sites. Our data on female space use suggest that lek surveys of male prairie chickens can indirectly assess habitat suitability for females during the breeding season. Lek monitoring and surveys for new leks provide information on population trends, but can also guide management actions aimed at improving nesting and brood-rearing habitats.</span></p>","language":"English","publisher":"Ecological Society of America","doi":"10.1890/ES14-00536.1","usgsCitation":"Winder, V.L., Carrlson, K.M., Gregory, A.J., Hagen, C.A., Haukos, D.A., Kesler, D.C., Larsson, L.C., Matthews, T.W., McNew, L.B., Patten, M., Pitman, J.C., Powell, L., Smith, J.A., Thompson, T., Wolfe, D.H., and Sandercock, B.K., 2015, Factors affecting female space use in ten populations of prairie chickens: Ecosphere, v. 6, no. 9, p. 1-17, https://doi.org/10.1890/ES14-00536.1.","productDescription":"Article 166; 17 p.","startPage":"1","endPage":"17","ipdsId":"IP-058167","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":471539,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index 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K.","contributorId":95816,"corporation":false,"usgs":true,"family":"Sandercock","given":"Brett","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":723931,"contributorType":{"id":1,"text":"Authors"},"rank":16}]}}
,{"id":70189739,"text":"70189739 - 2015 - Stress and mass changes at a “wet” volcano: Example during the 2011–2012 volcanic unrest at Kawah Ijen volcano (Indonesia)","interactions":[],"lastModifiedDate":"2017-07-24T08:17:36","indexId":"70189739","displayToPublicDate":"2015-12-31T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2312,"text":"Journal of Geophysical Research","active":true,"publicationSubtype":{"id":10}},"title":"Stress and mass changes at a “wet” volcano: Example during the 2011–2012 volcanic unrest at Kawah Ijen volcano (Indonesia)","docAbstract":"Since 2010, Kawah Ijen volcano has been equipped with seismometers, and its extremely\nacid volcanic lake has been monitored using temperature and leveling sensors, providing unprecedented\ntime resolution of multiparametric data for an acidic volcanic lake. The nature of stress and mass changes\nof the volcano is studied by combining seismic analyses and volcanic lake measurements that were made\nduring the strongest unrest ever recorded by the seismic network at Kawah Ijen. The distal VT earthquake\nswarm that occurred in May 2011 was the precursor of volcanic unrest in October 2011 that caused an\nincrease in shallow earthquakes. The proximal VT earthquakes opened pathways for fluids to ascend by\nincreasing the permeability of the rock matrix. The following months were characterized by two periods\nof strong heat and mass discharge into the lake and by the initiation of monochromatic tremor (MT)\nactivity when steam/gases interacted with shallow portions of the aquifer. Significant seismic velocity\nvariations, concurrent with water level rises in which water contained a large amount of steam/gas, were\nassociated with the crises, that caused an although the unrest did not affect the shallow hydrothermal\nsystem at a large scale. Whereas shallow VT earthquakes likely reflect a magmatic intrusion, MT and relative\nseismic velocity changes are clearly associated with shallow hydrothermal processes. These results will\nfacilitate the forecast of future crises.","language":"English","publisher":"American Geophysical Union","doi":"10.1002/2014JB011590","usgsCitation":"Caudron, C., Lecocq, T., Syahbana, D.K., McCausland, W., Watlet, A., Camelbeeck, T., Bernard, A., and , S., 2015, Stress and mass changes at a “wet” volcano: Example during the 2011–2012 volcanic unrest at Kawah Ijen volcano (Indonesia): Journal of Geophysical Research, v. 120, no. 7, p. 5117-5134, https://doi.org/10.1002/2014JB011590.","productDescription":"15 p.","startPage":"5117","endPage":"5134","ipdsId":"IP-060482","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":471551,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/2014jb011590","text":"Publisher Index Page"},{"id":344228,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Indonesia","otherGeospatial":"Kawah Ijen","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              111.6595458984375,\n              -9.497826059631086\n            ],\n            [\n              116.40563964843749,\n              -9.497826059631086\n            ],\n            [\n              116.40563964843749,\n              -6.48452534126518\n            ],\n            [\n              111.6595458984375,\n              -6.48452534126518\n            ],\n            [\n              111.6595458984375,\n              -9.497826059631086\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"120","issue":"7","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2015-07-21","publicationStatus":"PW","scienceBaseUri":"59770750e4b0ec1a48889f7e","contributors":{"authors":[{"text":"Caudron, Corentin","contributorId":194972,"corporation":false,"usgs":false,"family":"Caudron","given":"Corentin","affiliations":[],"preferred":false,"id":706040,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lecocq, Thomas","contributorId":141030,"corporation":false,"usgs":false,"family":"Lecocq","given":"Thomas","email":"","affiliations":[{"id":13659,"text":"Royal Observatory of Belgium","active":true,"usgs":false}],"preferred":false,"id":706041,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Syahbana, Devy K.","contributorId":194994,"corporation":false,"usgs":false,"family":"Syahbana","given":"Devy","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":706042,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"McCausland, Wendy wmccausland@usgs.gov","contributorId":5497,"corporation":false,"usgs":true,"family":"McCausland","given":"Wendy","email":"wmccausland@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":706039,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Watlet, Arnaud","contributorId":194995,"corporation":false,"usgs":false,"family":"Watlet","given":"Arnaud","email":"","affiliations":[],"preferred":false,"id":706043,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Camelbeeck, Thierry","contributorId":141031,"corporation":false,"usgs":false,"family":"Camelbeeck","given":"Thierry","email":"","affiliations":[{"id":13659,"text":"Royal Observatory of Belgium","active":true,"usgs":false}],"preferred":false,"id":706044,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Bernard, Alain","contributorId":194976,"corporation":false,"usgs":false,"family":"Bernard","given":"Alain","email":"","affiliations":[],"preferred":false,"id":706045,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":" Surono","contributorId":149582,"corporation":false,"usgs":false,"given":"Surono","email":"","affiliations":[],"preferred":false,"id":706046,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
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2015 - Permissive tracts for sediment-hosted lead-zinc-silver deposits in the Islamic Republic of Mauritania (phase V, deliverable 73)","indexId":"ofr20131280J","publicationYear":"2015","noYear":false,"chapter":"J","title":"Permissive tracts for sediment-hosted lead-zinc-silver deposits in the Islamic Republic of Mauritania (phase V, deliverable 73)"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":2},{"subject":{"id":70156595,"text":"ofr20131280J1 - 2012 - Permissive tracts for sediment-hosted lead-zinc-silver deposits in Mauritania (phase V, deliverable 72): Chapter J1 in <i>Second projet de renforcement institutionnel du secteur minier de la République  Islamique de Mauritanie (PRISM-II)</i>","indexId":"ofr20131280J1","publicationYear":"2012","noYear":false,"chapter":"J1","title":"Permissive tracts for sediment-hosted lead-zinc-silver deposits in Mauritania (phase V, deliverable 72): Chapter J1 in <i>Second projet de renforcement institutionnel du secteur minier de la République  Islamique de Mauritanie (PRISM-II)</i>"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":3},{"subject":{"id":70156596,"text":"ofr20131280K1 - 2012 - Permissive tracts for sediment-hosted copper deposits in Mauritania (phase V, deliverable 74): Chapter K1 in <i>Second projet de renforcement institutionnel du secteur minier de la République  Islamique de Mauritanie (PRISM-II)</i>","indexId":"ofr20131280K1","publicationYear":"2012","noYear":false,"chapter":"K1","title":"Permissive tracts for sediment-hosted copper deposits in Mauritania (phase V, deliverable 74): Chapter K1 in <i>Second projet de renforcement institutionnel du secteur minier de la République  Islamique de Mauritanie (PRISM-II)</i>"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":4},{"subject":{"id":70156597,"text":"ofr20131280K - 2015 - Mineral potential for sediment-hosted copper deposits in the Islamic Republic of Mauritania (phase V, deliverable 75)","indexId":"ofr20131280K","publicationYear":"2015","noYear":false,"chapter":"K","title":"Mineral potential for sediment-hosted copper deposits in the Islamic Republic of Mauritania (phase V, deliverable 75)"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":5},{"subject":{"id":70156598,"text":"ofr20131280L - 2015 - Mineral potential for volcanogenic massive sulfide deposits in the Islamic Republic of Mauritania, (phase V, deliverable 77)","indexId":"ofr20131280L","publicationYear":"2015","noYear":false,"chapter":"L","title":"Mineral potential for volcanogenic massive sulfide deposits in the Islamic Republic of Mauritania, (phase V, deliverable 77)"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":6},{"subject":{"id":70156599,"text":"ofr20131280O - 2015 - Algoma-, Superior-, and oolitic-type iron deposits of the Islamic Republic of Mauritania (phase V, deliverable 83)","indexId":"ofr20131280O","publicationYear":"2015","noYear":false,"chapter":"O","title":"Algoma-, Superior-, and oolitic-type iron deposits of the Islamic Republic of Mauritania (phase V, deliverable 83)"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":7},{"subject":{"id":70156600,"text":"ofr20131280R - 2015 - Reported industrial minerals occurrences and permissive areas for other occurrences in the Islamic Republic of Mauritania, (phase V, deliverable 89)","indexId":"ofr20131280R","publicationYear":"2015","noYear":false,"chapter":"R","title":"Reported industrial minerals occurrences and permissive areas for other occurrences in the Islamic Republic of Mauritania, (phase V, deliverable 89)"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":8},{"subject":{"id":70156601,"text":"ofr20131280L1 - 2012 - Permissive tracts for volcanogenic massive sulfide deposits in Mauritania (phase V, deliverable 76): Chapter L1 in <i>Second projet de renforcement institutionnel du secteur minier de la République  Islamique de Mauritanie (PRISM-II)</i>","indexId":"ofr20131280L1","publicationYear":"2012","noYear":false,"chapter":"L1","title":"Permissive tracts for volcanogenic massive sulfide deposits in Mauritania (phase V, deliverable 76): Chapter L1 in <i>Second projet de renforcement institutionnel du secteur minier de la République  Islamique de Mauritanie (PRISM-II)</i>"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":9},{"subject":{"id":70156602,"text":"ofr20131280O1 - 2012 - Permissive tracts for algoma-, superior-, and oolitic-type iron deposits in Mauritania (phase V, deliverable 82): Chapter O1 in <i>Second projet de renforcement institutionnel du secteur minier de la République  Islamique de Mauritanie (PRISM-II)</i>","indexId":"ofr20131280O1","publicationYear":"2012","noYear":false,"chapter":"O1","title":"Permissive tracts for algoma-, superior-, and oolitic-type iron deposits in Mauritania (phase V, deliverable 82): Chapter O1 in <i>Second projet de renforcement institutionnel du secteur minier de la République  Islamique de Mauritanie (PRISM-II)</i>"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":10},{"subject":{"id":70156603,"text":"ofr20131280R1 - 2012 - Reported industrial minerals occurrences and permissive areas for other occurrences in the Islamic Republic of Mauritania (phase V  deliverable 88): Chapter R1 in <i>Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II)</i>","indexId":"ofr20131280R1","publicationYear":"2012","noYear":false,"chapter":"R1","title":"Reported industrial minerals occurrences and permissive areas for other occurrences in the Islamic Republic of Mauritania (phase V  deliverable 88): Chapter R1 in <i>Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II)</i>"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":11},{"subject":{"id":70159506,"text":"ofr20131280A - 2015 - Synthesis of geological, structural, and geochronologic data (phase V, deliverable 53)","indexId":"ofr20131280A","publicationYear":"2015","noYear":false,"chapter":"A","title":"Synthesis of geological, structural, and geochronologic data (phase V, deliverable 53)"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":12},{"subject":{"id":70159507,"text":"ofr20131280B - 2015 - Synthesis of geophysical data (phase V, deliverable 55)","indexId":"ofr20131280B","publicationYear":"2015","noYear":false,"chapter":"B","title":"Synthesis of geophysical data (phase V, deliverable 55)"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":13},{"subject":{"id":70159508,"text":"ofr20131280C - 2015 - Hydrogeologic map of the Islamic Republic of Mauritania (phase V, deliverable 56), Synthesis of hydrologic data (phase V, deliverable 57), and chemical hydrologic map of the Islamic Republic of Mauritania (added value)","indexId":"ofr20131280C","publicationYear":"2015","noYear":false,"chapter":"C","title":"Hydrogeologic map of the Islamic Republic of Mauritania (phase V, deliverable 56), Synthesis of hydrologic data (phase V, deliverable 57), and chemical hydrologic map of the Islamic Republic of Mauritania (added value)"},"predicate":"IS_PART_OF","object":{"id":70160523,"text":"ofr20131280 - 2015 - 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2015 - Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","indexId":"ofr20131280","publicationYear":"2015","noYear":false,"title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V"},"id":36}],"lastModifiedDate":"2016-01-04T08:51:00","indexId":"ofr20131280","displayToPublicDate":"2015-12-30T15:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2013-1280","title":"Second Projet de Renforcement Institutionnel du Secteur Minier de la République  Islamique de Mauritanie (PRISM-II) Phase V","docAbstract":"<p>In 1996, at the request of the Government of the Islamic Republic of Mauritania, a team of U.S. Geological Survey (USGS) scientists produced a strategic plan for the acquisition, improvement and modernization of multidisciplinary sets of data to support the growth of the Mauritanian minerals sector and to highlight the geological and mineral exploration potential of the country. In 1999, the Ministry of Petroleum, Energy, and Mines of the Islamic Republic of Mauritania implemented a program for the acquisition of the recommended basic geoscientific information, termed the first Projet de Renforcement Institutionnel du Secteur Minier (Project for Institutional Capacity Building in the Mining Sector, PRISM-I). As a result of the PRISM-I efforts, a great deal of new geological, geophysical, geochemical, remote sensing, and hydrological data became available for evaluation and synthesis. However, the Ministry of Petroleum, Energy, and Mines recognized that additional work was required to extract the full benefit of the data before it could be of greatest use to the international community and of benefit to the Mauritanian minerals and development sector.</p>\n<p>To achieve this benefit, the Ministry of Petroleum, Energy, and Mines implemented a second Projet de Renforcement Institutionnel du Secteur Minier (PRISM-II) in 2006 to consolidate, synthesize, and interpret all of the existing data, create a new 1:1,000,000 scale geologic map, and define the mineral resource potential of the country. A consortium in which the USGS was the lead scientific agency carried out the majority of the PRISM-II work. In 2008, the USGS Mauritania Minerals Project was interrupted due to political changes in Mauritania. PRISM-II work resumed in 2011, and was completed in 2013 with the delivery of over 40 separate written reports and plates, an access file containing the Mauritanian National Mineral Deposits Database, and an interactive GIS containing all of the multi-disciplinary data and interpretive areas of mineral resource potential in Mauritania.</p>\n<p>This report contains the USGS results of the PRISM-II Mauritania Minerals Project and is presented in cooperation with the Ministry of Petroleum, Energy, and Mines of the Islamic Republic of Mauritania. The Report is composed of separate chapters consisting of multidisciplinary interpretive reports with accompanying plates on the geology, structure, geochronology, geophysics, hydrogeology, geochemistry, remote sensing (Landsat TM and ASTER), and SRTM and ASTER digital elevation models of Mauritania. The syntheses of these multidisciplinary data formed the basis for additional chapters containing interpretive reports on 12 different commodities and deposit types known to occur in Mauritania, accompanied by countrywide mineral resource potential maps of each commodity/deposit type. The commodities and deposit types represented include: (1) Ni, Cu, PGE, and Cr deposits hosted in ultramafic rocks; (2) orogenic, Carlin-like, and epithermal gold deposits; (3) polymetallic Pb-Zn-Cu vein deposits; (4) sediment-hosted Pb-Zn-Ag deposits of the SEDEX and Mississippi Valley-type; (5) sediment-hosted copper deposits; ( 6) volcanogenic massive sulfide deposits; (7) iron oxide copper-gold deposits; (8) uranium deposits; (9) Algoma-, Superior-, and oolitic-type iron deposits; (10) shoreline Ti-Zr placer deposits; (11) incompatible element deposits hosted in pegmatites, alkaline rocks, and carbonatites, and; (12) industrial mineral deposits. Additional chapters include the Mauritanian National Mineral Deposits Database are accompanied by an explanatory text and the Mauritania Minerals Project GIS that contains all of the interpretive layers created by USGS scientists. Raw data not in the public domain may be obtained from the Ministry of Petroleum, Energy, and Mines in Nouakchott, Mauritania.</p>","language":"English, French","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20131280","collaboration":"Prepared in cooperation with the Ministry of Petroleum, Energy, and Mines of the Islamic Republic of Mauritania","usgsCitation":"Taylor, C.D., ed., 2015, Second projet de renforcement institutionnel du secteur minier de la République  Islamique de Mauritanie (PRISM-II) phase V: U.S. Geological Survey Open-File Report 2013‒1280, 20 chaps., pages variable, pls. variable, https://dx.doi.org/10.3133/ofr20131280. [In English and French.]","productDescription":"Report: 20 Chapters; Readme; GIS and Maps; Publication Index","onlineOnly":"Y","additionalOnlineFiles":"Y","ipdsId":"IP-071408","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":312690,"rank":35,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_Q1_deliverable_86-Incompatible_element_deposits_hosted_in_pegmatities_alkaline rocks_and_carbonatities","text":"Chapter Q1--Permissive Tracts for Incompatible Element Deposits Hosted in Pegmatities, Alkaline Rocks, and Carbonatities in Mauritania","size":"2.39 MB","description":"OFR 2013-1280 Chapter Q1","linkHelpText":"<h6>Taylor, C.D., and Horton, J.D., 2015, Permissive tracts for incompatible element deposits hosted in pegmatities, alkaline rocks, and carbonatities in Mauritania (phase V, deliverable 86), chap. Q1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-Q1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_Q1_deliverable_86-Incompatible_element_deposits_hosted_in_pegmatities_alkaline rocks_and_carbonatities\">Chapter_Q1_deliverable_86-Incompatible_element_deposits_hosted_in_pegmatities_alkaline rocks_and_carbonatities</a>"},{"id":312717,"rank":2,"type":{"id":2,"text":"Additional Report Piece"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English","text":"Final_Reports_English","size":"503 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2013-1280 Final Reports English"},{"id":312692,"rank":11,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_D1_deliverable_58_and_added_value-Geochemistry","text":"Chapter D1--Geochemistry Areas and Sample Sites, and Multielement and Single Element Geochemistry Maps of Mauritania","size":"5.22 GB","description":"OFR 2013-1280 Chapter D1","linkHelpText":"<h6>Giles, S.A., and Eppinger, R.G., 2015, Geochemistry areas and sample sites, and multielement and single element geochemistry maps of Mauritania (phase V, deliverable 58), chap. D1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-D1, 321 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_D1_deliverable_58_and_added_value-Geochemistry\">Chapter_D1_deliverable_58_and_added_value-Geochemistry</a>"},{"id":312684,"rank":29,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_N1_deliverable_80-Uranium_deposits","text":"Chapter N1--Permissive Tracts for Uranium Deposits in Mauritania","size":"2.43 MB","description":"OFR 2013-1280 Chapter N1","linkHelpText":"<h6>Fernette, G.L., and Horton, J.D., 2015, Permissive tracts for uranium deposits in Mauritania (phase V, deliverable 80), chap. N1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-N, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_N1_deliverable_80-Uranium_deposits\">Chapter_N1_deliverable_80-Uranium_deposits</a>"},{"id":312705,"rank":37,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_R1_deliverable_88-Industrial_mineral_deposits","text":"Chapter R1--Reported Industrial Minerals Occurrences and Permissive Areas for Other Occurrences in Mauritania","size":"45.6 MB","description":"OFR 2013-1280 Chapter R1","linkHelpText":"<h6>Langer, W.H., and Horton, J.D., 2015, Reported industrial minerals occurrences and permissive areas for other occurrences in Mauritania (phase V, deliverable 88), chap. R1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-R1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_R1_deliverable_88-Industrial_mineral_deposits\">Chapter_R1_deliverable_88-Industrial_mineral_deposits</a>"},{"id":312689,"rank":34,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_85-Shoreline_Placer Ti-chapter_P.pdf","text":"Chapter P--Mineral Potential Tracts for Shoreline Ti-Zr Placer Deposits","size":"10.0 MB","description":"OFR 2013-1280 Chapter P","linkHelpText":"<h6>Beaudoin, Georges, 2015, Mineral potential tracts for shoreline Ti-Zr placer deposits (phase V, deliverable 85), chap. P <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-P, 10 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_85-Shoreline_Placer Ti-chapter_P.pdf\">deliverable_85-Shoreline_Placer Ti-chapter_P.pdf</a>"},{"id":312700,"rank":19,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_I1_deliverable_70-Polymetallic_Pb-Zn-Cu_vein_deposits","text":"Chapter I1--Permissive Tracts for Orogenic and Epithermal Gold Deposits in Mauritania","size":"2.18 MB","description":"OFR 2013-1280 Chapter I1","linkHelpText":"<h6>Beaudoin, Georges, and Horton, J.D., 2015, Permissive tracts for orogenic and epithermal gold deposits in Mauritania (phase V, deliverable 70), chap. I1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-I1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_I1_deliverable_70-Polymetallic_Pb-Zn-Cu_vein_deposits\">Chapter_I1_deliverable_70-Polymetallic_Pb-Zn-Cu_vein_deposits</a>"},{"id":312668,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2013/1280/coverthb.jpg"},{"id":312691,"rank":36,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_87-REE_Carbonatites-chapter_Q.pdf","text":"Chapter Q--Mineral Potential for Incompatible Element Deposits Hosted in Pegmatites, Alkaline Rocks, and Carbonatites in the Islamic Republic of Mauritania","size":"8.10 MB","description":"OFR 2013-1280 Chapter Q","linkHelpText":"<h6>Taylor, C.D., and Giles, S.A., 2015, Mineral potential for incompatible element deposits hosted in pegmatites, alkaline rocks, and carbonatites in the Islamic Republic of Mauritania (phase V, deliverable 87), chap. Q <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-Q, 41 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_87-REE_Carbonatites-chapter_Q.pdf\">deliverable_87-REE_Carbonatites-chapter_Q.pdf</a>"},{"id":312709,"rank":40,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_T_deliverable_92-Basemap_GIS","text":"Chapter T--Geographic Information Systems (GIS) for la République Islamique de Mauritanie (PRISM-II) phase V","size":"1.44 MB","description":"OFR 2013-1280 Chapter T","linkHelpText":"<h6>Horton, J.D., 2015, Geographic Information Systems (GIS) for la République Islamique de Mauritanie (PRISM-II) phase V (phase V, deliverable 92), chap. T <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-T, GIS database, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_T_deliverable_92-Basemap_GIS\">Chapter_T_deliverable_92-Basemap_GIS</a>"},{"id":312719,"rank":3,"type":{"id":2,"text":"Additional Report Piece"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_French","text":"Final_Reports_French","size":"179 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2013-1280 Final Reports French"},{"id":312701,"rank":20,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_71-Polymetallic_vein-chapter_I.pdf","text":"Chapter I--Mineral Potential Tracts for Polymetallic Pb-Zn-Cu Vein Deposits","size":"3.65 MB","description":"OFR 2013-1280 Chapter I","linkHelpText":"<h6>Beaudoin, Georges, 2015, Mineral potential tracts for polymetallic Pb-Zn-Cu vein deposits (phase V, deliverable 71), chap. I <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-I, 10 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_71-Polymetallic_vein-chapter_I.pdf\">deliverable_71-Polymetallic_vein-chapter_I.pdf</a>"},{"id":312704,"rank":22,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_73-Sediment_Hosted_Pb_Zn_Ag-chapter_J.pdf","text":"Chapter J--Permissive Tracts for Sediment-Hosted Lead-Zinc-Silver Deposits in the Islamic Republic of Mauritania","size":"1.69 MB","description":"OFR 2013-1280 Chapter J","linkHelpText":"<h6>Mauk, J.L., 2015, Permissive tracts for sediment-hosted lead-zinc-silver deposits in the Islamic Republic of Mauritania (phase V, deliverable 73), chap. J <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-J, 13 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_73-Sediment_Hosted_Pb_Zn_Ag-chapter_J.pdf\">deliverable_73-Sediment_Hosted_Pb_Zn_Ag-chapter_J.pdf</a>"},{"id":312726,"rank":42,"type":{"id":2,"text":"Additional Report Piece"},"url":"https://pubs.usgs.gov/of/2013/1280/of2013-1280_Publication_index.pdf","text":"Publication Index","size":"122 kB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2013-1280 Publication Index"},{"id":312724,"rank":4,"type":{"id":2,"text":"Additional Report Piece"},"url":"https://pubs.usgs.gov/of/2013/1280/00Readme.txt","text":"Readme","size":"10.4 kB","linkFileType":{"id":2,"text":"txt"},"description":"OFR 2013-1280 Readme"},{"id":312725,"rank":41,"type":{"id":2,"text":"Additional Report Piece"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps","text":"GIS and Maps","size":"104 GB","description":"OFR 2013-1280 GIS and Maps"},{"id":312695,"rank":14,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_65-SRTM_DEM-chapter_F.pdf","text":"Chapter F--Countrywide Digital Elevation Models for the Islamic Republic of Mauritania—SRTM and ASTER","size":"2.39 MB","description":"OFR 2013-1280 Chapter F","linkHelpText":"<h6>Lee, G.K., 2015, Countrywide Digital Elevation Models for the Islamic Republic of Mauritania—SRTM and ASTER (phase V, deliverable 65), chap. F <i>of </i> Taylor, C.D., ed.,Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-F, 7 p., 2 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_65-SRTM_DEM-chapter_F.pdf\">deliverable_65-SRTM_DEM-chapter_F.pdf</a><br><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_F_deliverable_65-Digital_Elevation_Models-DEM\">Chapter_F_deliverable_65-Digital_Elevation_Models-DEM</a>"},{"id":312676,"rank":10,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_57-Hydrology-chapter_C.pdf","text":"Chapter C--Hydrogeologic Map of the Islamic Republic of Mauritania, Synthesis of Hydrologic Data, and Chemical Hydrologic Map of the Islamic Republic of Mauritania","size":"2.84 MB","description":"OFR 2013-1280 Chapter C","linkHelpText":"<h6>Friedel, M.J., Finn, C.A., and Horton, J.D., 2015, Hydrogeologic map of the Islamic Republic of Mauritania (phase V, deliverable 56), Synthesis of hydrologic data (deliverable 57), and chemical hydrologic map of the Islamic Republic of Mauritania (added value), chap. C <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-C, 23 p., 2 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_57-Hydrology-chapter_C.pdf\">deliverable_57-Hydrology-chapter_C.pdf</a><br><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_C_deliverable_56_and_added_value-Hydrogeology\">Chapter_C_deliverable_56_and_added_value-Hydrogeology</a>"},{"id":312675,"rank":9,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_55-Geophysics-chapter_B.pdf","text":"Chapter B--Synthesis of Geophysical Data","size":"19.1 MB","description":"OFR 2013-1280 Chapter B","linkHelpText":"<h6>Finn, C.A., and Anderson, E.D., 2015, Synthesis of geophysical data (phase V, deliverable 55), chap. B <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-B, 60 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_55-Geophysics-chapter_B.pdf\">deliverable_55-Geophysics-chapter_B.pdf</a>"},{"id":312678,"rank":23,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_K1_deliverable_74-Sediment-hosted_copper_deposits","text":"Chapter K1--Permissive Tracts for Sediment-Hosted Copper Deposits in Mauritania","size":"3.31 MB","description":"OFR 2013-1280 Chapter K1","linkHelpText":"<h6>Taylor, C.D., and Horton, J.D., 2015, Permissive tracts for sediment-hosted copper deposits in Mauritania (phase V, deliverable 74), chap. K1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-K1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_K1_deliverable_74-Sediment-hosted_copper_deposits\">Chapter_K1_deliverable_74-Sediment-hosted_copper_deposits</a>"},{"id":312671,"rank":6,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_A1_deliverable_51-Geology","text":"Chapter A1--Geologic Map of Mauritania","size":"502 MB","description":"OFR 2013-1280 Chapter A1","linkHelpText":"<h6>Bradley, D.C., Motts, H.A., Horton, J.D., Giles, Stuart, and Taylor, C.D., 2015, Geologic map of Mauritania (phase V, deliverables 51a, 51b, and 51c), chap. A1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-A1, 3 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_A1_deliverable_51-Geology\">Chapter_A1_deliverable_51-Geology</a>"},{"id":312681,"rank":26,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_77-VMS-chapter_L.pdf","text":"Chapter L--Mineral Potential for Volcanogenic Massive Sulfide Deposits in the Islamic Republic of Mauritania","size":"31.8 MB","description":"OFR 2013-1280 Chapter L","linkHelpText":"<h6>Taylor, C.D., and Giles, S.A., 2015, Mineral potential for volcanogenic massive sulfide deposits in the Islamic Republic of Mauritania, (phase V, deliverable 77), chap. L <i>of </i> Taylor, C.D., ed.,Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-L, 70 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_77-VMS-chapter_L.pdf\">deliverable_77-VMS-chapter_L.pdf</a>"},{"id":312683,"rank":28,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_79-IOCG-chapter_M.pdf","text":"Chapter M--Iron Oxide Copper-Gold Deposits in the Islamic Republic of Mauritania","size":"1.80 MB","description":"OFR 2013-1280 Chapter M","linkHelpText":"<h6>Fernette, G.L., 2015, Iron oxide copper-gold deposits in the Islamic Republic of Mauritania (phase V, deliverable 79), chap. M <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-M, 21 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_79-IOCG-chapter_M.pdf\">deliverable_79-IOCG-chapter_M.pdf</a>"},{"id":312686,"rank":31,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_O1_deliverable_82-Algoma-_superior-_and oolitic-type_iron_deposits","text":"Chapter O1--Permissive Tracts for Algoma-, Superior-, and Oolitic-type Iron Deposits in Mauritania","size":"3.30 MB","description":"OFR 2013-1280 Chapter O1","linkHelpText":"<h6>Taylor, C.D., and Horton, J.D., 2015, Permissive tracts for algoma-, superior-, and oolitic-type iron deposits in Mauritania (phase V, deliverable 82), chap. O1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-O1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_O1_deliverable_82-Algoma-_superior-_and oolitic-type_iron_deposits\">Chapter_O1_deliverable_82-Algoma-_superior-_and oolitic-type_iron_deposits</a>"},{"id":312706,"rank":38,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_89-Industrial_Minerals-chapter_R.pdf","text":"Chapter R--Reported Industrial Minerals Occurrences and Permissive Areas for Other Occurrences in the Islamic Republic of Mauritania","size":"3.95 MB","description":"OFR 2013-1280 Chapter R","linkHelpText":"<h6>Langer, W.H., 2015, Reported industrial minerals occurrences and permissive areas for other occurrences in the Islamic Republic of Mauritania, (phase V, deliverable 89), chap. R <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-R, 23 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_89-Industrial_Minerals-chapter_R.pdf\">deliverable_89-Industrial_Minerals-chapter_R.pdf</a>"},{"id":312697,"rank":16,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_67-Ni_Cu_PGE_Cr-chapter_G.pdf","text":"Chapter G--Mineral Potential for Nickel, Copper, Platinum Group Elements (PGE), and Chromium Deposits Hosted in Ultramafic Rocks in the Islamic Republic of Mauritania","size":"15.7 MB","description":"OFR 2013-1280 Chapter G","linkHelpText":"<h6>Taylor, C. D., Marsh, E. E., and Anderson, E. D., 2015, Mineral potential for nickel, copper, platinum group elements (PGE), and chromium deposits hosted in ultramafic rocks in the Islamic Republic of Mauritania (phase V, deliverable 67), chap. G <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U. S. Geological Survey Open-File Report 2013‒1280-G, 85 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_67-Ni_Cu_PGE_Cr-chapter_G.pdf\">deliverable_67-Ni_Cu_PGE_Cr-chapter_G.pdf</a>"},{"id":312687,"rank":32,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_83-Sed_Fe-chapter_O.pdf","text":"Chapter O--Algoma-, Superior-, and Oolitic-Type Iron Deposits of the Islamic Republic of Mauritania","size":"74.3 MB","description":"OFR 2013-1280 Chapter O","linkHelpText":"<h6>Taylor, C.D., Finn, C.A., Anderson, E.D., Joud, M.Y., Taleb Mohamed, Ahmed, and Horton, J.D., 2015, Algoma-, Superior-, and oolitic-type iron deposits of the Islamic Republic of Mauritania (phase V, deliverable 83), chap. O <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-O, 94 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_83-Sed_Fe-chapter_O.pdf\">deliverable_83-Sed_Fe-chapter_O.pdf</a>"},{"id":312688,"rank":33,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_P1_deliverable_84-Shoreline_placer_titanium_deposits","text":"Chapter P1--Permissive Tracts for Shoreline Placer Titanium Deposits in Mauritania","size":"2.01 MB","description":"OFR 2013-1280 Chapter P1","linkHelpText":"<h6>Beaudoin, Georges, and Horton, J.D., 2015, Permissive tracts for shoreline placer titanium deposits in Mauritania (phase V, deliverable 84), , chap. P1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-P1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_P1_deliverable_84-Shoreline_placer_titanium_deposits\">Chapter_P1_deliverable_84-Shoreline_placer_titanium_deposits</a>"},{"id":312698,"rank":17,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_H1_deliverable_68-Orogenic_Carlin-like_and_epithermal_gold_deposits","text":"Chapter H1--Mineral Potential Tracts for Orogenic, Carlin-like, and Epithermal Gold Deposits in the Islamic Republic of Mauritania","size":"7.62 MB","description":"OFR 2013-1280 Chapter H1","linkHelpText":"<h6>Goldfarb, R.J., Marsh, E.E., and Horton, J.D., 2015, Mineral potential tracts for orogenic, Carlin-like, and epithermal gold deposits in the Islamic Republic of Mauritania, (phase V, deliverable 68), chap. H1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-H1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_H1_deliverable_68-Orogenic_Carlin-like_and_epithermal_gold_deposits\">Chapter_H1_deliverable_68-Orogenic_Carlin-like_and_epithermal_gold_deposits</a>"},{"id":312693,"rank":12,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_59-Geochemistry-chapter_D.pdf","text":"Chapter D--Database Creation, Data Quality Assessment, and Geochemical Maps","size":"1.42 MB","description":"OFR 2013-1280 Chapter D","linkHelpText":"<h6>Eppinger, R.G., Giles, S.A., Lee, G.K., and Smith, S.M., 2015, Database creation, data quality assessment, and geochemical maps (phase V, deliverable 59)—Final report on compilation and validation of geochemical data, chap. D <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-D, 52 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_59-Geochemistry-chapter_D.pdf\">deliverable_59-Geochemistry-chapter_D.pdf</a>"},{"id":312708,"rank":39,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_91-Mineral_Deposits_Database-chapter_S.pdf","text":"Chapter S--Database of Mineral Deposits in the Islamic Republic of Mauritania","size":"1.67 MB","description":"OFR 2013-1280 Chapter S","linkHelpText":"<h6>Marsh, E.E., and Anderson, E.D., 2015, Database of mineral deposits in the Islamic Republic of Mauritania (phase V, deliverables 90 and 91), chap. S <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-S, 9 p., Access database, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_91-Mineral_Deposits_Database-chapter_S.pdf\">deliverable_91-Mineral_Deposits_Database-chapter_S.pdf</a><br><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_S_deliverable_90-Database_of_mineral_deposits_in_the_Islamic_Republic_of_Mauritania\">Chapter_S_deliverable_90-Database_of_mineral_deposits_in_the_Islamic_Republic_of_Mauritania</a>"},{"id":312699,"rank":18,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_69-Gold_chapter_H.pdf","text":"Chapter H--Mineral Potential Tracts for Orogenic, Carlin-Like, and Epithermal Gold Deposits in the Islamic Republic of Mauritania","size":"2.92 MB","description":"OFR 2013-1280 Chapter H","linkHelpText":"<h6>Goldfarb, R.J., Marsh, E.E., Anderson, E.D., Horton, J.D., Finn, C.A., and Beaudoin, Georges, 2015, Mineral potential tracts for orogenic, Carlin-like, and epithermal gold deposits in the Islamic Republic of Mauritania, (phase V, deliverable 69), chap. H <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-H, 19 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_69-Gold_chapter_H.pdf\">deliverable_69-Gold_chapter_H.pdf</a>"},{"id":312703,"rank":21,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_J1_deliverable_72-Sediment-hosted_lead-zinc-silver_deposits","text":"Chapter J1--Permissive Tracts for Sediment-Hosted Lead-Zinc-Silver Deposits in Mauritania","size":"3.98 MB","description":"OFR 2013-1280 Chapter J1","linkHelpText":"<h6>Mauk, J.L., and Horton, J.D., 2015, Permissive tracts for sediment-hosted lead-zinc-silver deposits in Mauritania (phase V, deliverable 72), chap. J1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-J1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_J1_deliverable_72-Sediment-hosted_lead-zinc-silver_deposits\">Chapter_J1_deliverable_72-Sediment-hosted_lead-zinc-silver_deposits</a>"},{"id":312672,"rank":7,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_A2_deliverable_52-Structure","text":"Chapter A2--Structure Map of Mauritania","size":"306 MB","description":"OFR 2013-1280 Chapter A2","linkHelpText":"<h6>Bradley, D.C., Horton, J.D., Motts, H.A., and Taylor, C.D., 2015, Structure map of Mauritania (phase V, deliverables 52a and 52b), chap. A2 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-A2, 2 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_A2_deliverable_52-Structure\">Chapter_A2_deliverable_52-Structure</a>"},{"id":312673,"rank":5,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_53-Geology-chapter_A.pdf","text":"Chapter A--Synthesis of Geological, Structural, and Geochronologic Data","size":"243 MB","description":"OFR 2013-1280 Chapter A","linkHelpText":"<h6>Bradley, D.C., O’Sullivan, Paul, Cosca, M.A., Motts, H.A., Horton, J.D., Taylor, C.D., Beaudoin, Georges, Lee, G.K., Ramezani, Jahan, Bradley, D.B., Jones, J.V., and Bowring, Samuel, 2015, Synthesis of geological, structural, and geochronologic data (phase V, deliverable 53), chap. A <i>of </i>Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013–1280-A, 328 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_53-Geology-chapter_A.pdf\">deliverable_53-Geology-chapter_A.pdf</a><br><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_53-Geology-chapter_A_tables.xlsx\">deliverable_53-Geology-chapter_A_tables.xlsx</a>"},{"id":312694,"rank":13,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_61_and_64-Remote_Sensing-chapter_E.pdf","text":"Chapter E--Landsat Maps, ASTER Maps, ASTER_DEM Maps, and Spectral Remote Sensing in Support of PRISM-II Mineral Resource Assessment Project, Islamic Republic of Mauritania","size":"42.4 MB","description":"OFR 2013-1280 Chapter E","linkHelpText":"<h6>Rockwell, B.W., Knepper, D.H., Jr., and Horton, J.D., 2015, Landsat maps (phase V, deliverable 60), ASTER maps (phase V, deliverable 62), ASTER_DEM maps (phase V, deliverable 63), and spectral remote sensing in support of PRISM-II mineral resource assessment project, Islamic Republic of Mauritania (phase V, deliverables 61 and 64), chap. E <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-E, 85 p., 85 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_61_and_64-Remote_Sensing-chapter_E.pdf\">deliverable_61_and_64-Remote_Sensing-chapter_E.pdf</a><br><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_E_deliverables_60,_62,_and_63-Remote_Sensing_LANDSAT_and_ASTER\">Chapter_E_deliverables_60_62_and_63-Remote_Sensing_LANDSAT_and_ASTER</a>"},{"id":312696,"rank":15,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_G1_deliverable_66-Nickel_copper_platinum_group_elements_(PGE)_and_chromium_deposits","text":"Chapter G1--Permissive Tracts for Nickel, Copper, Platinum Group Elements (PGE), and Chromium Deposits of Mauritania","size":"4.84 MB","description":"OFR 2013-1280 Chapter G1","linkHelpText":"<h6>Taylor, C.D., and Horton, J.D., 2015, Permissive tracts for nickel, copper, platinum group elements (PGE), and chromium deposits of Mauritania (phase V, deliverable 66), chap. G1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-G1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_G1_deliverable_66-Nickel_copper_platinum_group_elements_(PGE)_and_chromium_deposits\">Chapter_G1_deliverable_66-Nickel_copper_platinum_group_elements_(PGE)_and_chromium_deposits</a>"},{"id":312674,"rank":8,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_B1_deliverables_54_and_added_value-Geophysics","text":"Chapter B1--Crystalline Basement Map of Mauritania Derived from Filtered Aeromagnetic Data, Aeromagnetic and Geological Structure Map of Mauritania, Maximum Depth to Basement Map of Mauritania Derived from Euler Analysis of Aeromagnetic Data, and Color Composite Image of Radioelement Data","size":"3.09 GB","description":"OFR 2013-1280 Chapter B1","linkHelpText":"<h6>Finn, C.A., and Horton, J.D., 2015, Crystalline basement map of Mauritania derived from filtered aeromagnetic data (phase V, deliverable 54_1), Aeromagnetic and geological structure map of Mauritania (phase V, deliverable 54_2), Maximum depth to basement map of Mauritania derived from Euler analysis of Aeromagnetic data (phase V, deliverable 54_3), and color composite image of radioelement data (added value), chap. B1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-B1, 4 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_B1_deliverables_54_and_added_value-Geophysics\">Chapter_B1_deliverables_54_and added_value-Geophysics</a>"},{"id":312679,"rank":24,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_75-Sed_Cu-chapter_K.pdf","text":"Chapter K--Mineral Potential for Sediment-Hosted Copper Deposits in the Islamic Republic of Mauritania","size":"19.3 MB","description":"OFR 2013-1280 Chapter K","linkHelpText":"<h6>Taylor, C.D., and Giles, S.A., 2015, Mineral potential for sediment-hosted copper deposits in the Islamic Republic of Mauritania (phase V, deliverable 75), chap. K <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-K, 49 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_75-Sed_Cu-chapter_K.pdf\">deliverable_75-Sed_Cu-chapter_K.pdf</a>"},{"id":312680,"rank":25,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_L1_deliverable_76-Volcanogenic_massive_sulfide_(VMS)_deposits","text":"Chapter L1--Permissive Tracts for Volcanogenic Massive Sulfide Deposits in Mauritania","size":"2.46 MB","description":"OFR 2013-1280 Chapter L1","linkHelpText":"<h6>Taylor, C.D., and Horton, J.D., 2015, Permissive tracts for volcanogenic massive sulfide deposits in Mauritania (phase V, deliverable 76), chap. L1 <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-L1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_L1_deliverable_76-Volcanogenic_massive_sulfide_(VMS)_deposits\">Chapter_L1_deliverable_76-Volcanogenic_massive_sulfide_(VMS)_deposits</a>"},{"id":312682,"rank":27,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_M1_deliverable_78-Iron_oxide_copper-gold_deposits_(IOCG)","text":"Chapter M1--Permissive Tracts for Iron Oxide Copper-Gold Deposits in Mauritania","size":"3.42 MB","description":"OFR 2013-1280 Chapter M1","linkHelpText":"<h6>Fernette, G.L., and Horton, J.D., 2015, Permissive tracts for iron oxide copper-gold deposits in Mauritania (phase V, deliverable 78 ), chap. M1 <i>of </i> Taylor, C.D., and Lee, G.K., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-M1, 1 pl., scale 1:1,000,000, http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/GIS_and_Maps/Chapter_M1_deliverable_78-Iron_oxide_copper-gold_deposits_(IOCG)\">Chapter_M1_deliverable_78-Iron_oxide_copper-gold_deposits_(IOCG)</a>"},{"id":312685,"rank":30,"type":{"id":6,"text":"Chapter"},"url":"https://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_81-Uranium-chapter_N.pdf","text":"Chapter N--Uranium in the Islamic Republic of Mauritania","size":"13.1 MB","description":"OFR 2013-1280 Chapter N","linkHelpText":"<h6>Fernette, G.L., 2015, Uranium in the Islamic Republic of Mauritania (phase V, deliverable 81), chap. N <i>of </i> Taylor, C.D., ed., Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-N, 56 p., http://dx.doi.org/10.3133/ofr20131280. [In English and French.]</h6><a href=\"http://pubs.usgs.gov/of/2013/1280/Final_Reports_English/deliverable_81-Uranium-chapter_N.pdf\">deliverable_81-Uranium-chapter_N.pdf</a>"}],"country":"Islamic Republic of Mauritania","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -17.0947265625,\n              21.207458730482653\n            ],\n            [\n              -16.3037109375,\n              20.427012814257385\n            ],\n            [\n              -16.259765625,\n              19.394067895396628\n            ],\n            [\n              -15.99609375,\n              18.35452552912664\n            ],\n            [\n              -16.435546875,\n              16.3833911236084\n            ],\n            [\n              -16.259765625,\n              16.172472808397515\n            ],\n            [\n              -15.4248046875,\n              16.551961721972525\n            ],\n            [\n              -14.5458984375,\n              16.59408141271846\n            ],\n            [\n              -13.6669921875,\n              16.13026201203477\n            ],\n            [\n              -12.744140625,\n              15.326571801420842\n            ],\n            [\n              -12.0849609375,\n              14.647368383896632\n            ],\n            [\n              -11.6015625,\n              15.368949896534705\n            ],\n            [\n              -5.4931640625,\n              15.665354182093274\n            ],\n            [\n              -5.361328125,\n              16.172472808397515\n            ],\n            [\n              -6.328125,\n              25.12539261151203\n            ],\n            [\n              -4.74609375,\n              25.005972656239187\n            ],\n            [\n              -8.701171874999998,\n              27.410785702577023\n            ],\n            [\n              -8.701171874999998,\n              26.07652055985697\n            ],\n            [\n              -11.997070312499998,\n              25.958044673317843\n            ],\n            [\n              -11.953125,\n              23.523700058824144\n            ],\n            [\n              -13.095703125,\n              23.1201536216956\n            ],\n            [\n              -13.0078125,\n              22.59372606392931\n            ],\n            [\n              -12.8759765625,\n              21.37124437061832\n            ],\n            [\n              -15.468749999999998,\n              21.28937435586041\n            ],\n            [\n              -16.875,\n              21.330315073431787\n            ],\n            [\n              -17.0947265625,\n              21.207458730482653\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","contact":"<p>Director, Central Mineral and Environmental Resources Science Center<br /> U.S. Geological Survey<br /> Box 25046, MS-973<br /> Denver, CO 80225<br /><a href=\"http://minerals.cr.usgs.gov/\">http://minerals.cr.usgs.gov/</a></p>","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"publishedDate":"2015-12-30","noUsgsAuthors":false,"publicationDate":"2015-12-30","publicationStatus":"PW","scienceBaseUri":"5685005de4b0a04ef493373d","contributors":{"editors":[{"text":"Taylor, Cliff D. 0000-0001-6376-6298 ctaylor@usgs.gov","orcid":"https://orcid.org/0000-0001-6376-6298","contributorId":1283,"corporation":false,"usgs":true,"family":"Taylor","given":"Cliff","email":"ctaylor@usgs.gov","middleInitial":"D.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":583060,"contributorType":{"id":2,"text":"Editors"},"rank":1}]}}
,{"id":70162406,"text":"70162406 - 2015 - Application of a process-based shallow landslide hazard model over a broad area in Central Italy","interactions":[],"lastModifiedDate":"2016-01-22T17:12:27","indexId":"70162406","displayToPublicDate":"2015-12-30T00:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2604,"text":"Landslides","active":true,"publicationSubtype":{"id":10}},"title":"Application of a process-based shallow landslide hazard model over a broad area in Central Italy","docAbstract":"<p><span>Process-based models are widely used for rainfall-induced shallow landslide forecasting. Previous studies have successfully applied the U.S. Geological Survey&rsquo;s Transient Rainfall Infiltration and Grid-Based Regional Slope-Stability (TRIGRS) model (Baum et al.&nbsp;</span><span class=\"CitationRef\"><a href=\"http://link.springer.com/article/10.1007%2Fs10346-015-0670-6#CR2\">2002</a></span><span>) to compute infiltration-driven changes in the hillslopes&rsquo; factor of safety on small scales (i.e., tens of square kilometers). Soil data input for such models are difficult to obtain across larger regions. This work describes a novel methodology for the application of TRIGRS over broad areas with relatively uniform hydrogeological properties. The study area is a 550-km</span><sup><span>2</span></sup><span>&nbsp;region in Central Italy covered by post-orogenic Quaternary sediments. Due to the lack of field data, we assigned mechanical and hydrological property values through a statistical analysis based on literature review of soils matching the local lithologies. We calibrated the model using rainfall data from 25 historical rainfall events that triggered landslides. We compared the variation of pressure head and factor of safety with the landslide occurrence to identify the best fitting input conditions. Using calibrated inputs and a soil depth model, we ran TRIGRS for the study area. Receiver operating characteristic (ROC) analysis, comparing the model&rsquo;s output with a shallow landslide inventory, shows that TRIGRS effectively simulated the instability conditions in the post-orogenic complex during historical rainfall scenarios. The implication of this work is that rainfall-induced landslides over large regions may be predicted by a deterministic model, even where data on geotechnical and hydraulic properties as well as temporal changes in topography or subsurface conditions are not available.</span></p>","language":"English","publisher":"Springer-Verlag","publisherLocation":"Berlin, Germany","doi":"10.1007/s10346-015-0670-6","usgsCitation":"Gioia, E., Speranza, G., Ferretti, M., Godt, J.W., Baum, R.L., and Marincioni, F., 2015, Application of a process-based shallow landslide hazard model over a broad area in Central Italy: Landslides, p. 1-18, https://doi.org/10.1007/s10346-015-0670-6.","productDescription":"18 p.","startPage":"1","endPage":"18","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-068185","costCenters":[{"id":300,"text":"Geologic Hazards Science 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System","active":true,"usgs":false}],"preferred":false,"id":589451,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ferretti, Maurizio","contributorId":152472,"corporation":false,"usgs":false,"family":"Ferretti","given":"Maurizio","email":"","affiliations":[{"id":18932,"text":"Functional Center of Marche Region's Civil Protection System","active":true,"usgs":false}],"preferred":false,"id":589452,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Godt, Jonathan W. 0000-0002-8737-2493 jgodt@usgs.gov","orcid":"https://orcid.org/0000-0002-8737-2493","contributorId":1166,"corporation":false,"usgs":true,"family":"Godt","given":"Jonathan","email":"jgodt@usgs.gov","middleInitial":"W.","affiliations":[{"id":508,"text":"Office of the AD Hazards","active":true,"usgs":true},{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":589453,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Baum, Rex L. 0000-0001-5337-1970 baum@usgs.gov","orcid":"https://orcid.org/0000-0001-5337-1970","contributorId":1288,"corporation":false,"usgs":true,"family":"Baum","given":"Rex","email":"baum@usgs.gov","middleInitial":"L.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":589454,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Marincioni, Fausto","contributorId":53879,"corporation":false,"usgs":true,"family":"Marincioni","given":"Fausto","email":"","affiliations":[],"preferred":false,"id":589455,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70159866,"text":"sir20155172 - 2015 - Continuous slope-area discharge records in Maricopa County, Arizona, 2004–2012","interactions":[],"lastModifiedDate":"2016-05-26T16:15:30","indexId":"sir20155172","displayToPublicDate":"2015-12-29T14:30:00","publicationYear":"2015","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2015-5172","title":"Continuous slope-area discharge records in Maricopa County, Arizona, 2004–2012","docAbstract":"<p><span>Continuous slope-area (CSA) streamgages have been developed and implemented by the U.S. Geological Survey (USGS) to enable the recording of discharge hydrographs in areas where direct discharge measurements cannot be made. The flashy nature of streamflow in parts of the arid Southwest and remote location of many sites make discharge measurements difficult or impossible to obtain. Consequently, available discharge measurements may be insufficient to develop accurate rating curves, which relate discharge to continuously recorded stage measured at standard streamgages. Nine CSA streamgages have been installed in Maricopa County, Arizona, since 2004 in cooperation with the Flood Control District of Maricopa County. This report presents the data and analysis of computed discharges from those streamgages, along with descriptions of the streamgage site and stream properties.</span></p>\n<p><span>Analyses of sources of errors and the impact stage data errors have on calculated discharge time series are considered, along with issues in data reduction. Steeper, longer stream reaches are generally less sensitive to measurement error. Other issues considered are pressure transducer drawdown, capture of flood peaks with discrete stage data, selection of stage record for development of rating curves, and minimum stages for the calculation of discharge.</span></p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20155172","collaboration":"Prepared in cooperation with the Flood Control District of Maricopa County","usgsCitation":"Wiele, S.M., Heaton, J.W., Bunch, C.E., Gardner, D.E., and Smith, C.F., 2015, Continuous slope-area discharge records in Maricopa County, Arizona, 2004–2012: U.S. Geological Survey Scientific Investigations Report 2015–5172, 28 p., https://dx.doi.org/10.3133/sir20155172.","productDescription":"vii, 28 p.","numberOfPages":"40","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-046154","costCenters":[{"id":128,"text":"Arizona Water Science Center","active":true,"usgs":true}],"links":[{"id":321784,"rank":3,"type":{"id":3,"text":"Appendix"},"url":"https://pubs.usgs.gov/sir/2015/5172/sir20155172_appendixes1-9.zip","text":"Appendixes 1-9","size":"967 KB","linkFileType":{"id":6,"text":"zip"},"description":"SIR 2015-5172 Appendixes 1-9"},{"id":311902,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2015/5172/coverthb.jpg"},{"id":311903,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2015/5172/sir20155172.pdf","text":"Report","size":"19 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2015-5172"}],"country":"United States","state":"Arizona","county":"Maricopa County","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -113.79638671875,\n              32.96258644191747\n            ],\n            [\n              -113.79638671875,\n              34.32529192442733\n            ],\n            [\n              -111.5716552734375,\n              34.32529192442733\n            ],\n            [\n              -111.5716552734375,\n              32.96258644191747\n            ],\n            [\n              -113.79638671875,\n              32.96258644191747\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","contact":"<p><a href=\"mailto:dc_az@usgs.gov\">Director</a>, Arizona Water Science Center<br /> U.S. Geological Survey<br /> 520 N. Park Avenue<br /> Tucson, AZ 85719<br /> <a href=\"http://az.water.usgs.gov/\">http://az.water.usgs.gov/</a></p>","tableOfContents":"<ul>\n<li>Acknowledgments</li>\n<li>Abstract</li>\n<li>Introduction</li>\n<li>The Continuous Slope-Area Method for Computing Discharge</li>\n<li>Error Sources and Data Reduction Considerations</li>\n<li>Continuous Slope-Area Streamgages in Maricopa County</li>\n<li>References Cited</li>\n</ul>","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"publishedDate":"2015-12-29","noUsgsAuthors":false,"publicationDate":"2015-12-29","publicationStatus":"PW","scienceBaseUri":"5683aeafe4b0a04ef4925e3c","contributors":{"authors":[{"text":"Wiele, Stephen M. smwiele@usgs.gov","contributorId":2199,"corporation":false,"usgs":true,"family":"Wiele","given":"Stephen","email":"smwiele@usgs.gov","middleInitial":"M.","affiliations":[{"id":128,"text":"Arizona Water Science Center","active":true,"usgs":true}],"preferred":true,"id":580823,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Heaton, John W.","contributorId":42705,"corporation":false,"usgs":true,"family":"Heaton","given":"John","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":581139,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bunch, Claire E. 0000-0002-1360-8598 cebunch@usgs.gov","orcid":"https://orcid.org/0000-0002-1360-8598","contributorId":150240,"corporation":false,"usgs":true,"family":"Bunch","given":"Claire E.","email":"cebunch@usgs.gov","affiliations":[{"id":128,"text":"Arizona Water Science Center","active":true,"usgs":true}],"preferred":false,"id":581140,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gardner, David E.","contributorId":150241,"corporation":false,"usgs":true,"family":"Gardner","given":"David","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":581141,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Smith, Christopher F. 0000-0002-8075-4763 cfsmith@usgs.gov","orcid":"https://orcid.org/0000-0002-8075-4763","contributorId":1338,"corporation":false,"usgs":true,"family":"Smith","given":"Christopher","email":"cfsmith@usgs.gov","middleInitial":"F.","affiliations":[],"preferred":true,"id":581142,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70160658,"text":"70160658 - 2015 - Isotopes in North American Rocky Mountain snowpack 1993–2014","interactions":[],"lastModifiedDate":"2015-12-28T14:52:05","indexId":"70160658","displayToPublicDate":"2015-12-28T14:15:00","publicationYear":"2015","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3219,"text":"Quaternary Science Reviews","active":true,"publicationSubtype":{"id":10}},"title":"Isotopes in North American Rocky Mountain snowpack 1993–2014","docAbstract":"<p class=\"p1\"><span class=\"s1\">We present &sim;1300 new isotopic measurements (&delta;</span><span class=\"s2\"><sup>18</sup></span><span class=\"s1\">O and &delta;</span><span class=\"s2\"><sup>2</sup></span><span class=\"s1\">H) from a network of snowpack sites in the Rocky Mountains that have been sampled since 1993. The network includes 177 locations where depth-integrated snow samples are collected each spring near peak accumulation. At 57 of these locations snowpack samples were obtained for 10&ndash;21 years and their isotopic measurements provide unprecedented spatial and temporal documentation of snowpack isotope values at mid-latitudes. For environments where snowfall accounts for the majority of annual precipitation, snowmelt is likely to have the strongest influence on isotope values retained in proxy archives. In this first presentation of the dataset we (1) describe the basic features of the isotope values in relation to the Global Meteoric Water Line (GMWL), (2) evaluate space for time substitutions traditionally used to establish &delta;</span><span class=\"s2\"><sup>18</sup></span><span class=\"s1\">O-temperature relations, (3) evaluate site-to-site similarities across the network and identify those that are the most regionally representative, (4) examine atmospheric circulation patterns for several years with spatially coherent isotope patterns, and (5) provide examples of the implications this new dataset has for interpreting paleoclimate records (Bison Lake, Colorado and Minnetonka Cave, Idaho). Results indicate that snowpack &delta;</span><span class=\"s2\"><sup>18</sup></span><span class=\"s1\">O is rarely a simple proxy of temperature. Instead, it exhibits a high degree of spatial heterogeneity and temporal variance that reflect additional processes such as vapor transport and post-depositional modification. Despite these complexities we identify consistent climate-isotope patterns and regionally representative locations that serve to better define Holocene hydroclimate estimates and their uncertainty. Climate change has and will affect western U.S. snowpack and we suggest these changes can be better understood and anticipated by oxygen and hydrogen isotope-based reconstructions of Holocene hydroclimate using a process-based understanding of the controls on snowpack isotope ratios.</span></p>","language":"English","publisher":"Elseiver Ltd.","doi":"10.1016/j.quascirev.2015.03.023","usgsCitation":"Anderson, L., Berkelhammer, M., and Mast, M.A., 2015, Isotopes in North American Rocky Mountain snowpack 1993–2014: Quaternary Science Reviews, v. 131, p. 262-273, https://doi.org/10.1016/j.quascirev.2015.03.023.","productDescription":"12 p.","startPage":"262","endPage":"273","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-061199","costCenters":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"links":[{"id":312939,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado, Idaho, Montana, New Mexico, Wyoming","otherGeospatial":"Bison Lake, Minnetonka Cave, Rocky Mountains","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -112.8515625,\n              49.03786794532644\n            ],\n            [\n              -111.796875,\n              47.96050238891509\n            ],\n            [\n              -110.830078125,\n              46.86019101567027\n            ],\n            [\n              -109.51171875,\n              46.437856895024204\n            ],\n            [\n              -108.5009765625,\n              45.583289756006316\n            ],\n            [\n              -108.06152343749999,\n              43.83452678223682\n            ],\n            [\n              -107.0068359375,\n              42.293564192170095\n            ],\n            [\n              -104.9853515625,\n              41.07935114946899\n            ],\n            [\n              -103.88671875,\n              38.06539235133249\n            ],\n            [\n              -104.32617187499999,\n              35.88905007936091\n            ],\n            [\n              -105.29296874999999,\n              34.161818161230386\n            ],\n            [\n              -107.70996093749999,\n              34.161818161230386\n            ],\n            [\n              -110.302734375,\n              35.53222622770337\n            ],\n            [\n              -112.8955078125,\n              41.27780646738183\n            ],\n            [\n              -116.806640625,\n              43.51668853502909\n            ],\n            [\n              -117.90527343750001,\n              46.49839225859763\n            ],\n            [\n              -118.125,\n              48.922499263758255\n            ],\n            [\n              -117.90527343750001,\n              49.095452162534826\n            ],\n            [\n              -112.8515625,\n              49.03786794532644\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"131","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56825d29e4b0a04ef4925af5","contributors":{"authors":[{"text":"Anderson, Lesleigh 0000-0002-5264-089X land@usgs.gov","orcid":"https://orcid.org/0000-0002-5264-089X","contributorId":436,"corporation":false,"usgs":true,"family":"Anderson","given":"Lesleigh","email":"land@usgs.gov","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":583487,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Berkelhammer, Max ","contributorId":150891,"corporation":false,"usgs":false,"family":"Berkelhammer","given":"Max ","affiliations":[{"id":18133,"text":"University of Illinois Chicago","active":true,"usgs":false}],"preferred":false,"id":583488,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mast, M. Alisa 0000-0001-6253-8162 mamast@usgs.gov","orcid":"https://orcid.org/0000-0001-6253-8162","contributorId":827,"corporation":false,"usgs":true,"family":"Mast","given":"M.","email":"mamast@usgs.gov","middleInitial":"Alisa","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":583489,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70159764,"text":"ofr20151223 - 2015 - Water-quality, bed-sediment, and biological data (October 2013 through September 2014) and statistical summaries of data for streams in the Clark Fork Basin, Montana","interactions":[],"lastModifiedDate":"2015-12-28T10:21:29","indexId":"ofr20151223","displayToPublicDate":"2015-12-24T10:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2015-1223","title":"Water-quality, bed-sediment, and biological data (October 2013 through September 2014) and statistical summaries of data for streams in the Clark Fork Basin, Montana","docAbstract":"<p>Water, bed sediment, and biota were sampled in streams from Butte to near Missoula, Montana, as part of a monitoring program in the upper Clark Fork Basin of western Montana. The sampling program was led by the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, to characterize aquatic resources in the Clark Fork Basin, with emphasis on trace elements associated with historic mining and smelting activities. Sampling sites were located on the Clark Fork and selected tributaries. Water samples were collected periodically at 20 sites from October 2013 through September 2014. Bed-sediment and biota samples were collected once at 14 sites during August 2014.</p>\n<p>This report presents the analytical results and qualityassurance data for water-quality, bed-sediment, and biota samples collected at sites from October 2013 through September 2014. Water-quality data include concentrations of selected major ions, trace elements, and suspended sediment. At 12 sites, dissolved organic carbon and turbidity samples were collected. In addition, nitrogen (nitrate plus nitrite) samples were collected at two sites. Daily values of mean suspended-sediment concentration and suspended-sediment discharge were determined for four sites. Seasonal daily values of turbidity were determined for four sites. Bed-sediment data include trace-ele&shy;ment concentrations in the fine-grained fraction. Biological data include trace-element concentrations in wholebody tissue of aquatic benthic insects. Statistical summaries of water-quality, bed-sediment, and biological data for sites in the upper Clark Fork Basin are provided for the period of record.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20151223","collaboration":"Prepared in cooperation with the U.S. Environmental Protection Agency","usgsCitation":"Dodge, K.A., and Hornberger, M.I., 2015, Water-quality, bed-sediment, and biological data (October 2013 through September\n2014) and statistical summaries of data for streams in the Clark Fork Basin, Montana: U.S. Geological Survey Open-File Report 2015–1223, 125 p., https://dx.doi.org/10.3133/ofr20151223.","productDescription":"vi, 125 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-068852","costCenters":[{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true}],"links":[{"id":312826,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2015/1223/ofr20151223.pdf","text":"Report","size":"2.04 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2015-1223"},{"id":312825,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2015/1223/coverthb.jpg"}],"country":"United States","state":"Montana","otherGeospatial":"Clark Fork Basin, Silver Bow Creek, Warm Springs Creek","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -114.0655517578125,\n              46.97275640318636\n            ],\n            [\n              -113.0712890625,\n              46.81133924039194\n            ],\n            [\n              -112.30224609374999,\n              46.3810438458062\n            ],\n            [\n              -112.0550537109375,\n              46.02366774426006\n            ],\n            [\n              -111.91223144531249,\n              45.75602615586017\n            ],\n            [\n              -111.917724609375,\n              45.3868773482704\n            ],\n            [\n              -112.071533203125,\n              45.182036837015886\n            ],\n            [\n              -113.4283447265625,\n              45.90147732739488\n            ],\n            [\n              -114.2962646484375,\n              46.543749602738565\n            ],\n            [\n              -114.32922363281249,\n              46.991494313050424\n            ],\n            [\n              -114.0655517578125,\n              46.97275640318636\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","contact":"<p>Director, Wyoming-Montana Water Science Center<br /> U.S. Geological Survey<br /> 3162 Bozeman Ave.<br /> Helena, MT 59601<br /><a href=\"http://wy-mt.water.usgs.gov/\">http://wy-mt.water.usgs.gov/</a></p>","tableOfContents":"<ul>\n<li>Abstract</li>\n<li>Introduction</li>\n<li>Sampling Locations and Types of Data</li>\n<li>Water-Quality Data</li>\n<li>Bed-Sediment Data</li>\n<li>Biological Data</li>\n<li>Statistical Summaries of Data</li>\n<li>References Cited</li>\n<li>Data</li>\n</ul>","publishingServiceCenter":{"id":4,"text":"Rolla PSC"},"publishedDate":"2015-12-24","noUsgsAuthors":false,"publicationDate":"2015-12-24","publicationStatus":"PW","scienceBaseUri":"567d1731e4b0a04ef492088c","contributors":{"authors":[{"text":"Dodge, Kent A. kdodge@usgs.gov","contributorId":1036,"corporation":false,"usgs":true,"family":"Dodge","given":"Kent","email":"kdodge@usgs.gov","middleInitial":"A.","affiliations":[{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true}],"preferred":true,"id":580369,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hornberger, Michelle I. 0000-0002-7787-3446 mhornber@usgs.gov","orcid":"https://orcid.org/0000-0002-7787-3446","contributorId":1037,"corporation":false,"usgs":true,"family":"Hornberger","given":"Michelle","email":"mhornber@usgs.gov","middleInitial":"I.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true}],"preferred":true,"id":580370,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70159875,"text":"sir20155170 - 2015 - Methods for estimating flow-duration curve and low-flow frequency statistics for ungaged locations on small streams in Minnesota","interactions":[],"lastModifiedDate":"2015-12-28T12:10:56","indexId":"sir20155170","displayToPublicDate":"2015-12-24T09:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2015-5170","title":"Methods for estimating flow-duration curve and low-flow frequency statistics for ungaged locations on small streams in Minnesota","docAbstract":"<p>Knowledge of the magnitude and frequency of low flows in streams, which are flows in a stream during prolonged dry weather, is fundamental for water-supply planning and design; waste-load allocation; reservoir storage design; and maintenance of water quality and quantity for irrigation, recreation, and wildlife conservation. This report presents the results of a statewide study for which regional regression equations were developed for estimating 13 flow-duration curve statistics and 10 low-flow frequency statistics at ungaged stream locations in Minnesota. The 13 flow-duration curve statistics estimated by regression equations include the 0.0001, 0.001, 0.02, 0.05, 0.1, 0.25, 0.50, 0.75, 0.9, 0.95, 0.99, 0.999, and 0.9999 exceedance-probability quantiles. The low-flow frequency statistics include annual and seasonal (spring, summer, fall, winter) 7-day mean low flows, seasonal 30-day mean low flows, and summer 122-day mean low flows for a recurrence interval of 10 years. Estimates of the 13 flow-duration curve statistics and the 10 low-flow frequency statistics are provided for 196 U.S. Geological Survey continuous-record streamgages using streamflow data collected through September 30, 2012.</p>\n<p>The study area includes 196 streamgages located within Minnesota and 50 miles beyond the State&rsquo;s borders in North Dakota, South Dakota, Iowa, and Wisconsin. The study area was divided into five regions that were developed in a previous study using the concept of hydrologic landscape units. Geographic information system software was used to calculate 18 characteristics investigated as potential explanatory variables in regression analyses for each streamgage drainage basin. Trend analyses indicated statistically significant trends in summer 7-day low flows that were not related to precipitation patterns for 19 streamgages. For 16 of these streamgages, the streamflow record was subset using structural change analysis to identify the most recent period of record without a significant trend. The three remaining streamgages with significant trends were excluded from the final analysis because the effective period of record without a significant trend was less than 10 years.</p>\n<p>Because several streams in this study have zero flow as their minimum reported flow, weighted left-censored regression was used to analyze the flow data in an unbiased manner, with weights based on the number of years of record. A total of 115 regression equations were developed in this study to calculate flow-duration curve and low-flow frequency statistics for ungaged locations in the study area. In addition, data from 25 pairs of streamgages were used to develop drainage-area ratio equations that can be used to estimate streamflow statistics at ungaged locations on streams that have a streamgage in another location. Streamflow statistics estimated using regional regression and drainage-area ratio equations were compared among regions. For regions A, D, and E, drainagearea ratio equations were more accurate than regional regression equations for flows, but regional regression equations were more accurate for high flows. For region F, regional regression equations were consistently more accurate than drainage-area ratio equations. For region BC, the pattern in accuracies of regional regression and drainage-area ratio equations between low flows and high flows was not consistent.</p>\n<p>Equations developed in this study apply only to stream locations where flows are not substantially affected by regulation, diversion, or urbanization. All equations presented in this study will be incorporated into StreamStats, a web-based geographic information system tool developed by the U.S. Geological Survey. StreamStats allows users to obtain streamflow statistics, basin characteristics, and other information for user-selected locations on streams through an interactive map.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20155170","collaboration":"Prepared in cooperation with the Minnesota Pollution Control Agency","usgsCitation":"Ziegeweid, J.R., Lorenz, D.L., Sanocki, C.A., and Czuba, C.R., 2015, Methods for estimating flow-duration curve and\nlow-flow frequency statistics for ungaged locations on small streams in Minnesota: U.S. Geological Survey Scientific\nInvestigations Report 2015–5170, 23 p., https://dx.doi.org/10.3133/sir20155170.","productDescription":"Report: vi, 23 p.; Appendix","onlineOnly":"Y","additionalOnlineFiles":"Y","ipdsId":"IP-046283","costCenters":[{"id":392,"text":"Minnesota Water Science 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href=\"http://mn.water.usgs.gov/\">http://mn.water.usgs.gov/</a></p>","tableOfContents":"<ul>\n<li>Abstract</li>\n<li>Introduction</li>\n<li>Methods for Data Development</li>\n<li>Regional Regression Analysis</li>\n<li>Drainage-Area Ratio Calculations</li>\n<li>Limitations of Regression Equations</li>\n<li>Constructing Consistent Flow-Duration Curves</li>\n<li>StreamStats</li>\n<li>Summary</li>\n<li>Acknowledgments</li>\n<li>References Cited</li>\n<li>Appendix 1. Detailed Streamgage Information Used to Conduct Analyses</li>\n</ul>","publishingServiceCenter":{"id":4,"text":"Rolla PSC"},"publishedDate":"2015-12-24","noUsgsAuthors":false,"publicationDate":"2015-12-24","publicationStatus":"PW","scienceBaseUri":"567d1731e4b0a04ef492088a","contributors":{"authors":[{"text":"Ziegeweid, Jeffrey R. 0000-0001-7797-3044 jrziege@usgs.gov","orcid":"https://orcid.org/0000-0001-7797-3044","contributorId":4166,"corporation":false,"usgs":true,"family":"Ziegeweid","given":"Jeffrey","email":"jrziege@usgs.gov","middleInitial":"R.","affiliations":[{"id":392,"text":"Minnesota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":580851,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lorenz, David L. 0000-0003-3392-4034 lorenz@usgs.gov","orcid":"https://orcid.org/0000-0003-3392-4034","contributorId":1384,"corporation":false,"usgs":true,"family":"Lorenz","given":"David","email":"lorenz@usgs.gov","middleInitial":"L.","affiliations":[{"id":392,"text":"Minnesota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":580853,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sanocki, Christopher A. 0000-0001-6714-5421 sanocki@usgs.gov","orcid":"https://orcid.org/0000-0001-6714-5421","contributorId":3142,"corporation":false,"usgs":true,"family":"Sanocki","given":"Christopher","email":"sanocki@usgs.gov","middleInitial":"A.","affiliations":[{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true}],"preferred":true,"id":580852,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Czuba, Christiana R. cczuba@usgs.gov","contributorId":4555,"corporation":false,"usgs":true,"family":"Czuba","given":"Christiana","email":"cczuba@usgs.gov","middleInitial":"R.","affiliations":[{"id":392,"text":"Minnesota Water Science Center","active":true,"usgs":true}],"preferred":false,"id":580850,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70157310,"text":"ds960 - 2015 - Back-Island and Open-Ocean Shorelines, and Sand Areas of the Undeveloped Areas of New Jersey Barrier Islands, March 9, 1991, to July 30, 2013","interactions":[],"lastModifiedDate":"2016-02-10T14:21:21","indexId":"ds960","displayToPublicDate":"2015-12-23T13:00:00","publicationYear":"2015","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"960","title":"Back-Island and Open-Ocean Shorelines, and Sand Areas of the Undeveloped Areas of New Jersey Barrier Islands, March 9, 1991, to July 30, 2013","docAbstract":"<p>Assessing the physical change to shorelines and wetlands is critical for determining the resiliency of wetland systems that protect adjacent habitat and communities. The wetland and back-barrier shorelines of the New Jersey barrier islands were changed by wave action and storm surge from Hurricane Sandy in 2012. The U.S. Geological Survey Coastal and Marine Geology Program is assessing the impact of Hurricane Sandy to understand its historical context and the vulnerability of wetland systems. These assessments require data that document physical changes over time, such as maps, aerial photographs, satellite imagery, and lidar elevation data.</p>\n<p>This Data Series Report includes open-ocean shorelines, back-island shorelines, back-island shoreline points, sand polygons, and sand lines for the undeveloped areas of New Jersey barrier islands. These data were extracted from orthoimagery (aerial photography) taken between March 9, 1991, and July 30, 2013. The images used were 0.3&ndash;1-meter (m)-resolution <a href=\"http://earthexplorer.usgs.gov/\" target=\"_blank\">U.S. Geological Survey Digital Orthophoto Quarter Quads</a> (DOQQ), <a href=\"http://datagateway.nrcs.usda.gov/GDGOrder.aspx\" target=\"_blank\">U.S. Department of Agriculture National Agriculture Imagery Program</a> (NAIP) images, <a href=\"http://storms.ngs.noaa.gov/storms/sandy/index.html\" target=\"_blank\">National Oceanic and Atmospheric Administration images</a>, and <a href=\"https://njgin.state.nj.us/NJ_NJGINExplorer/DataDownloads.jsp\" target=\"_blank\">New Jersey Geographic Information Network</a> images. The back-island shorelines were hand-digitized at the intersects of the apparent back-island shoreline and transects spaced at 20-m intervals. The open-ocean shorelines were hand-digitized at the approximate still-water level, such as tide level, which was fit through the average position of waves and swash apparent on the beach. Hand-digitizing was done at a scale of approximately 1:2,000. The sand polygons were derived by an image-processing unsupervised classification technique that separates images into classes. The classes were then visually categorized as either sand or not sand. Sand lines were taken from the sand polygons. Also included in this report are 20-m-spaced transect lines and the transect base lines.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds960","usgsCitation":"Guy, K.K., 2015, Back-Island and Open-Ocean Shorelines, and Sand Areas of the Undeveloped Areas of New Jersey Barrier Islands, March 9, 1991, to July 30, 2013. U.S. Geological Survey Data Series","productDescription":"HTML Document","onlineOnly":"Y","additionalOnlineFiles":"Y","ipdsId":"IP-065228","costCenters":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":311110,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/ds/0960/coverthb.jpg"},{"id":311111,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/ds/0960","text":"Report (HTML)","description":"Data Series 960"}],"country":"United States","state":"New Jersey","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -74.04510498046875,\n              40.48455955508278\n            ],\n            [\n              -73.99566650390625,\n              40.49709237269567\n          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href=\"http://coastal.er.usgs.gov/\">http://coastal.er.usgs.gov/</a></p>","tableOfContents":"<ul>\n<li>Citation Page</li>\n<li>Abstract</li>\n<li>Data Processing</li>\n<li>Data Downloads</li>\n<li>Abbreviations</li>\n<li>Acknowledgments</li>\n<li>References</li>\n</ul>","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"publishedDate":"2015-11-09","noUsgsAuthors":false,"publicationDate":"2015-11-09","publicationStatus":"PW","scienceBaseUri":"567bc5a9e4b0a04ef491a1cc","contributors":{"authors":[{"text":"Guy, Kristy K. kguy@usgs.gov","contributorId":139713,"corporation":false,"usgs":true,"family":"Guy","given":"Kristy K.","email":"kguy@usgs.gov","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":572661,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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