{"pageNumber":"1640","pageRowStart":"40975","pageSize":"25","recordCount":184606,"records":[{"id":70038684,"text":"70038684 - 2012 - Identification of functionally active aerobic methanotrophs in sediments from an arctic lake using stable isotope probing","interactions":[],"lastModifiedDate":"2012-06-14T01:01:39","indexId":"70038684","displayToPublicDate":"2012-06-13T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1548,"text":"Environmental Microbiology","active":true,"publicationSubtype":{"id":10}},"title":"Identification of functionally active aerobic methanotrophs in sediments from an arctic lake using stable isotope probing","docAbstract":"Arctic lakes are a significant source of the greenhouse gas methane (CH<sub>4</sub>), but the role that methane oxidizing bacteria (methanotrophs) play in limiting the overall CH<sub>4</sub> flux is poorly understood. Here, we used stable isotope probing (SIP) techniques to identify the metabolically active aerobic methanotrophs in upper sediments (0&ndash;1 cm) from an arctic lake in northern Alaska sampled during ice-free summer conditions. The highest CH<sub>4</sub> oxidation potential was observed in the upper sediment (0&ndash;1 cm depth) with 1.59 &mu;mol g wet weight<sup>-1</sup> day<sup>-1</sup> compared with the deeper sediment samples (1&ndash;3 cm, 3&ndash;5 cm and 5&ndash;10 cm), which exhibited CH<sub>4</sub> oxidation potentials below 0.4 &mu;mol g wet weight<sup>-1</sup> day<sup>-1</sup>. Both type I and type II methanotrophs were directly detected in the upper sediment total communities using targeted primer sets based on 16S rRNA genes. Sequencing of 16S rRNA genes and functional genes (<i>pmoA</i> and <i>mxaF</i>) in the <sup>13</sup>C-DNA from the upper sediment indicated that type I methanotrophs, mainly Methylobacter, Methylosoma, Methylomonas and Methylovulum miyakonense, dominated the assimilation of CH<sub>4</sub>. Methylotrophs, including the genera Methylophilus and/or Methylotenera, were also abundant in the <sup>13</sup>CDNA. Our results show that a diverse microbial consortium acquired carbon from CH<sub>4</sub> in the sediments of this arctic lake.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Environmental Microbiology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","publisherLocation":"Hoboken, NJ","doi":"10.1111/j.1462-2920.2012.02725.x","usgsCitation":"He, R., Wooller, M., Pohlman, J., Catranis, C., Quensen, J., Tiedje, J.M., and Leigh, M.B., 2012, Identification of functionally active aerobic methanotrophs in sediments from an arctic lake using stable isotope probing: Environmental Microbiology, v. 14, no. 6, p. 1403-1419, https://doi.org/10.1111/j.1462-2920.2012.02725.x.","productDescription":"17 p.","startPage":"1403","endPage":"1419","numberOfPages":"53","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":257535,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1462-2920.2012.02725.x","linkFileType":{"id":5,"text":"html"}},{"id":257538,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","volume":"14","issue":"6","noUsgsAuthors":false,"publicationDate":"2012-03-20","publicationStatus":"PW","scienceBaseUri":"505a3829e4b0c8380cd6147c","contributors":{"authors":[{"text":"He, Ruo","contributorId":53222,"corporation":false,"usgs":true,"family":"He","given":"Ruo","email":"","affiliations":[],"preferred":false,"id":464694,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wooller, Matthew J.","contributorId":24213,"corporation":false,"usgs":true,"family":"Wooller","given":"Matthew J.","affiliations":[],"preferred":false,"id":464690,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pohlman, John W.","contributorId":95288,"corporation":false,"usgs":true,"family":"Pohlman","given":"John W.","affiliations":[],"preferred":false,"id":464695,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Catranis, Catharine","contributorId":95741,"corporation":false,"usgs":true,"family":"Catranis","given":"Catharine","email":"","affiliations":[],"preferred":false,"id":464696,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Quensen, John","contributorId":24214,"corporation":false,"usgs":true,"family":"Quensen","given":"John","email":"","affiliations":[],"preferred":false,"id":464691,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Tiedje, James M.","contributorId":37591,"corporation":false,"usgs":true,"family":"Tiedje","given":"James","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":464693,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Leigh, Mary Beth","contributorId":25028,"corporation":false,"usgs":true,"family":"Leigh","given":"Mary","email":"","middleInitial":"Beth","affiliations":[],"preferred":false,"id":464692,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70038707,"text":"ds692 - 2012 - Water-quality data from semipermeable-membrane devices and polar organic chemical integrative samplers deployed in the McKenzie River basin, Oregon","interactions":[],"lastModifiedDate":"2012-06-15T01:01:35","indexId":"ds692","displayToPublicDate":"2012-06-13T00:00:00","publicationYear":"2012","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":"692","title":"Water-quality data from semipermeable-membrane devices and polar organic chemical integrative samplers deployed in the McKenzie River basin, Oregon","docAbstract":"Two types of passive samplers&mdash;the semipermeable membrane device (SPMD) and the polar organic chemical integrative sampler (POCIS)&mdash;are being used to collect data from the McKenzie River, Oregon. The McKenzie River is the source of drinking water for the City of Eugene, Oregon, and passive-sampler data are part of an ongoing monitoring effort designed to help understand and protect the drinking water source. Data from the passive samplers are reported here. This data report is dynamic and will be appended with additional data as they become available.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds692","collaboration":"Prepared in cooperation with the Eugene Water and Electric Board","usgsCitation":"McCarthy, K.A., and Alvarez, D., 2012, Water-quality data from semipermeable-membrane devices and polar organic chemical integrative samplers deployed in the McKenzie River basin, Oregon: U.S. Geological Survey Data Series 692, Report: iv, 3 p.; 2 Appendices; Appendix 1: 3.4 MB Excel File, Appendix 2: 5.8 MB Excel File, https://doi.org/10.3133/ds692.","productDescription":"Report: iv, 3 p.; 2 Appendices; Appendix 1: 3.4 MB Excel File, Appendix 2: 5.8 MB Excel File","costCenters":[{"id":518,"text":"Oregon Water Science Center","active":true,"usgs":true}],"links":[{"id":257576,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/DS_692.JPG"},{"id":257557,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/ds/692/index.html","linkFileType":{"id":5,"text":"html"}}],"projection":"Oregon Lambert","datum":"North American Datum 1983","country":"United States","state":"Oregon","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -123.25,44 ], [ -123.25,44.5 ], [ -121.75,44.5 ], [ -121.75,44 ], [ -123.25,44 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bce1be4b08c986b32e223","contributors":{"authors":[{"text":"McCarthy, Kathleen A. mccarthy@usgs.gov","contributorId":1159,"corporation":false,"usgs":true,"family":"McCarthy","given":"Kathleen","email":"mccarthy@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":464722,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Alvarez, David A.","contributorId":72755,"corporation":false,"usgs":true,"family":"Alvarez","given":"David A.","affiliations":[],"preferred":false,"id":464723,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70189963,"text":"70189963 - 2012 - Modeling thermal dynamics of active layer soils and near-surface permafrost using a fully coupled water and heat transport model","interactions":[],"lastModifiedDate":"2017-07-31T07:43:10","indexId":"70189963","displayToPublicDate":"2012-06-13T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2316,"text":"Journal of Geophysical Research D: Atmospheres","active":true,"publicationSubtype":{"id":10}},"title":"Modeling thermal dynamics of active layer soils and near-surface permafrost using a fully coupled water and heat transport model","docAbstract":"<p><span>Thawing and freezing processes are key components in permafrost dynamics, and these processes play an important role in regulating the hydrological and carbon cycles in the northern high latitudes. In the present study, we apply a well-developed soil thermal model that fully couples heat and water transport, to simulate the thawing and freezing processes at daily time steps across multiple sites that vary with vegetation cover, disturbance history, and climate. The model performance was evaluated by comparing modeled and measured soil temperatures at different depths. We use the model to explore the influence of climate, fire disturbance, and topography (north- and south-facing slopes) on soil thermal dynamics. Modeled soil temperatures agree well with measured values for both boreal forest and tundra ecosystems at the site level. Combustion of organic-soil horizons during wildfire alters the surface energy balance and increases the downward heat flux through the soil profile, resulting in the warming and thawing of near-surface permafrost. A projection of 21st century permafrost dynamics indicates that as the climate warms, active layer thickness will likely increase to more than 3 meters in the boreal forest site and deeper than one meter in the tundra site. Results from this coupled heat-water modeling approach represent faster thaw rates than previously simulated in other studies. We conclude that the discussed soil thermal model is able to well simulate the permafrost dynamics and could be used as a tool to analyze the influence of climate change and wildfire disturbance on permafrost thawing.</span></p>","language":"English","doi":"10.1029/2012JD017512","usgsCitation":"Jiang, Y., Zhuang, Q., and O’Donnell, J.A., 2012, Modeling thermal dynamics of active layer soils and near-surface permafrost using a fully coupled water and heat transport model: Journal of Geophysical Research D: Atmospheres, v. 117, D11110: 15 p., https://doi.org/10.1029/2012JD017512.","productDescription":"D11110: 15 p.","ipdsId":"IP-036930","costCenters":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"links":[{"id":344448,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"117","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2012-06-08","publicationStatus":"PW","scienceBaseUri":"5980419ee4b0a38ca278937e","contributors":{"authors":[{"text":"Jiang, Yueyang","contributorId":195377,"corporation":false,"usgs":false,"family":"Jiang","given":"Yueyang","email":"","affiliations":[],"preferred":false,"id":706906,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Zhuang, Qianlai","contributorId":101975,"corporation":false,"usgs":true,"family":"Zhuang","given":"Qianlai","affiliations":[],"preferred":false,"id":706947,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Donnell, Jonathan A. 0000-0001-7031-9808","orcid":"https://orcid.org/0000-0001-7031-9808","contributorId":191423,"corporation":false,"usgs":false,"family":"O’Donnell","given":"Jonathan","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":706905,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70038698,"text":"fs20123064 - 2012 - Water resources of Allen Parish","interactions":[],"lastModifiedDate":"2012-06-19T01:01:45","indexId":"fs20123064","displayToPublicDate":"2012-06-13T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2012-3064","title":"Water resources of Allen Parish","docAbstract":"In 2005, approximately 29.2 million gallons per day (Mgal/d) of water were withdrawn in Allen Parish, Louisiana, including about 26.8 Mgal/d from groundwater sources and 2.45 Mgal/d from surface-water sources. Rice irrigation accounted for 74 percent (21.7 Mgal/d) of the total water withdrawn. Other categories of use included public supply, industrial, rural domestic, livestock, general irrigation, and aquaculture. Water-use data collected at 5-year intervals from 1960 to 2005 indicate water withdrawals in the parish were greatest in 1960 (119 Mgal/d) and 1980 (98.7 Mgal/d). The substantial decrease in surface-water use between 1960 and 1965 is primarily attributable to rice-irrigation withdrawals declining from 61.2 to 6.74 Mgal/d. This fact sheet summarizes information on the water resources of Allen Parish, La. Information on groundwater and surface-water availability, quality, development, use, and trends is based on previously published reports listed in the Selected References section.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20123064","collaboration":"Prepared in cooperation with the Louisiana Department of Transportation and Development","usgsCitation":"Prakken, L., Griffith, J.M., and Fendick, R., 2012, Water resources of Allen Parish: U.S. Geological Survey Fact Sheet 2012-3064, 6 p., https://doi.org/10.3133/fs20123064.","productDescription":"6 p.","numberOfPages":"6","additionalOnlineFiles":"N","costCenters":[{"id":369,"text":"Louisiana Water Science Center","active":true,"usgs":true}],"links":[{"id":257548,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2012_3064.gif"},{"id":257546,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/2012/3064/","linkFileType":{"id":5,"text":"html"}},{"id":257547,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2012/3064/FS12-3064.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Louisiana","county":"Allen Parish","city":"Elton;Kinder","otherGeospatial":"Calcasieu River;Bayou Blue","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -93.25,30.25 ], [ -93.25,30.833333333333332 ], [ -92.5,30.833333333333332 ], [ -92.5,30.25 ], [ -93.25,30.25 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bcb86e4b08c986b32d6be","contributors":{"authors":[{"text":"Prakken, Lawrence B.","contributorId":73978,"corporation":false,"usgs":true,"family":"Prakken","given":"Lawrence B.","affiliations":[],"preferred":false,"id":464721,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Griffith, Jason M. 0000-0002-8942-0380 jmgriff@usgs.gov","orcid":"https://orcid.org/0000-0002-8942-0380","contributorId":2923,"corporation":false,"usgs":true,"family":"Griffith","given":"Jason","email":"jmgriff@usgs.gov","middleInitial":"M.","affiliations":[{"id":369,"text":"Louisiana Water Science Center","active":true,"usgs":true}],"preferred":true,"id":464720,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Fendick, Robert B. Jr. rfendick@usgs.gov","contributorId":1313,"corporation":false,"usgs":true,"family":"Fendick","given":"Robert B.","suffix":"Jr.","email":"rfendick@usgs.gov","affiliations":[{"id":369,"text":"Louisiana Water Science Center","active":true,"usgs":true}],"preferred":false,"id":464719,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70045523,"text":"70045523 - 2012 - Shifting balance of thermokarst lake ice regimes across the Arctic Coastal Plain of northern Alaska","interactions":[],"lastModifiedDate":"2013-05-10T08:20:18","indexId":"70045523","displayToPublicDate":"2012-06-13T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Shifting balance of thermokarst lake ice regimes across the Arctic Coastal Plain of northern Alaska","docAbstract":"The balance of thermokarst lakes with bedfast- and floating-ice regimes across Arctic lowlands regulates heat storage, permafrost thaw, winter-water supply, and over-wintering aquatic habitat. Using a time-series of late-winter synthetic aperture radar (SAR) imagery to distinguish lake ice regimes in two regions of the Arctic Coastal Plain of northern Alaska from 2003–2011, we found that 18% of the lakes had intermittent ice regimes, varying between bedfast-ice and floating-ice conditions. Comparing this dataset with a radar-based lake classification from 1980 showed that 16% of the bedfast-ice lakes had shifted to floating-ice regimes. A simulated lake ice thinning trend of 1.5 cm/yr since 1978 is believed to be the primary factor driving this form of lake change. The most profound impacts of this regime shift in Arctic lakes may be an increase in the landscape-scale thermal offset created by additional lake heat storage and its role in talik development in otherwise continuous permafrost as well as increases in over-winter aquatic habitat and winter-water supply.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geophysical Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","doi":"10.1029/2012GL052518","usgsCitation":"Arp, C.D., Jones, B.M., Lu, Z., and Whitman, M.S., 2012, Shifting balance of thermokarst lake ice regimes across the Arctic Coastal Plain of northern Alaska: Geophysical Research Letters, v. 39, no. 16, 5 p.; L16503, https://doi.org/10.1029/2012GL052518.","productDescription":"5 p.; L16503","ipdsId":"IP-039607","costCenters":[{"id":118,"text":"Alaska Science Center Geography","active":true,"usgs":true}],"links":[{"id":474464,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2012gl052518","text":"Publisher Index Page"},{"id":272164,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":272163,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2012GL052518"}],"country":"United States","state":"Alaska","otherGeospatial":"National Petroleum Reserve","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -0.015,0.0016666666666666668 ], [ -0.015,0.0019444444444444444 ], [ -0.015555555555555555,0.0019444444444444444 ], [ -0.015555555555555555,0.0016666666666666668 ], [ -0.015,0.0016666666666666668 ] ] ] } } ] }","volume":"39","issue":"16","noUsgsAuthors":false,"publicationDate":"2012-08-24","publicationStatus":"PW","scienceBaseUri":"518e16e1e4b05ebc8f7cc2f7","contributors":{"authors":[{"text":"Arp, Christopher D.","contributorId":17330,"corporation":false,"usgs":false,"family":"Arp","given":"Christopher","email":"","middleInitial":"D.","affiliations":[{"id":6752,"text":"University of Alaska Fairbanks","active":true,"usgs":false}],"preferred":false,"id":477731,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jones, Benjamin M. 0000-0002-1517-4711 bjones@usgs.gov","orcid":"https://orcid.org/0000-0002-1517-4711","contributorId":2286,"corporation":false,"usgs":true,"family":"Jones","given":"Benjamin","email":"bjones@usgs.gov","middleInitial":"M.","affiliations":[{"id":118,"text":"Alaska Science Center Geography","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":477730,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lu, Zong","contributorId":82602,"corporation":false,"usgs":true,"family":"Lu","given":"Zong","email":"","affiliations":[],"preferred":false,"id":477733,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Whitman, Matthew S.","contributorId":67961,"corporation":false,"usgs":false,"family":"Whitman","given":"Matthew","email":"","middleInitial":"S.","affiliations":[{"id":7217,"text":"Bureau of Land Management","active":true,"usgs":false}],"preferred":false,"id":477732,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70004617,"text":"70004617 - 2012 - Hybrid-optimization algorithm for the management of a conjunctive-use project and well field design","interactions":[],"lastModifiedDate":"2012-06-14T01:01:39","indexId":"70004617","displayToPublicDate":"2012-06-13T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1861,"text":"Ground Water","active":true,"publicationSubtype":{"id":10}},"title":"Hybrid-optimization algorithm for the management of a conjunctive-use project and well field design","docAbstract":"Hi-Desert Water District (HDWD), the primary water-management agency in the Warren Groundwater Basin, California, plans to construct a waste water treatment plant to reduce future septic-tank effluent from reaching the groundwater system. The treated waste water will be reclaimed by recharging the groundwater basin via recharge ponds as part of a larger conjunctive-use strategy. HDWD wishes to identify the least-cost conjunctiveuse strategies for managing imported surface water, reclaimed water, and local groundwater. As formulated, the mixed-integer nonlinear programming (MINLP) groundwater-management problem seeks to minimize water delivery costs subject to constraints including potential locations of the new pumping wells, California State regulations, groundwater-level constraints, water-supply demand, available imported water, and pump/recharge capacities. In this study, a hybrid-optimization algorithm, which couples a genetic algorithm and successive-linear programming, is developed to solve the MINLP problem. The algorithm was tested by comparing results to the enumerative solution for a simplified version of the HDWD groundwater-management problem. The results indicate that the hybrid-optimization algorithm can identify the global optimum. The hybrid-optimization algorithm is then applied to solve a complex groundwater-management problem. Sensitivity analyses were also performed to assess the impact of varying the new recharge pond orientation, varying the mixing ratio of reclaimed water and pumped water, and varying the amount of imported water available. The developed conjunctive management model can provide HDWD water managers with information that will improve their ability to manage their surface water, reclaimed water, and groundwater resources.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ground Water","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","publisherLocation":"Hoboken, NJ","doi":"10.1111/j.1745-6584.2011.00828.x","usgsCitation":"Chiu, Y., Nishikawa, T., and Martin, P., 2012, Hybrid-optimization algorithm for the management of a conjunctive-use project and well field design: Ground Water, v. 50, no. 1, p. 103-117, https://doi.org/10.1111/j.1745-6584.2011.00828.x.","productDescription":"15 p.","startPage":"103","endPage":"117","numberOfPages":"15","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":257567,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":257558,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1745-6584.2011.00828.x","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"California","otherGeospatial":"Warren Groundwater Basin","volume":"50","issue":"1","noUsgsAuthors":false,"publicationDate":"2011-06-02","publicationStatus":"PW","scienceBaseUri":"505a32c0e4b0c8380cd5ea3f","contributors":{"authors":[{"text":"Chiu, Yung-Chia","contributorId":103134,"corporation":false,"usgs":true,"family":"Chiu","given":"Yung-Chia","email":"","affiliations":[],"preferred":false,"id":350868,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nishikawa, Tracy 0000-0002-7348-3838 tnish@usgs.gov","orcid":"https://orcid.org/0000-0002-7348-3838","contributorId":1515,"corporation":false,"usgs":true,"family":"Nishikawa","given":"Tracy","email":"tnish@usgs.gov","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":350867,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Martin, Peter pmmartin@usgs.gov","contributorId":799,"corporation":false,"usgs":true,"family":"Martin","given":"Peter","email":"pmmartin@usgs.gov","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":350866,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70045349,"text":"70045349 - 2012 - Distribution of Cu, Co, As, and Fe in mine waste, sediment, soil, and water in and around mineral deposits and mines of the Idaho Cobalt Belt, USA","interactions":[],"lastModifiedDate":"2013-05-14T12:01:55","indexId":"70045349","displayToPublicDate":"2012-06-13T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":835,"text":"Applied Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"Distribution of Cu, Co, As, and Fe in mine waste, sediment, soil, and water in and around mineral deposits and mines of the Idaho Cobalt Belt, USA","docAbstract":"The distribution of Cu, Co, As and Fe was studied downstream from mines and deposits in the Idaho Cobalt Belt (ICB), the largest Co resource in the USA. To evaluate potential contamination in ecosystems in the ICB, mine waste, stream sediment, soil, and water were collected and analyzed for Cu, Co, As and Fe in this area. Concentrations of Cu in mine waste and stream sediment collected proximal to mines in the ICB ranged from 390 to 19,000 μg/g, exceeding the USEPA target clean-up level and the probable effect concentration (PEC) for Cu of 149 μg/g in sediment; PEC is the concentration above which harmful effects are likely in sediment dwelling organisms. In addition concentrations of Cu in mine runoff and stream water collected proximal to mines were highly elevated in the ICB and exceeded the USEPA chronic criterion for aquatic organisms of 6.3 μg/L (at a water hardness of 50 mg/L) and an LC50 concentration for rainbow trout of 14 μg/L for Cu in water. Concentrations of Co in mine waste and stream sediment collected proximal to mines varied from 14 to 7400 μg/g and were highly elevated above regional background concentrations, and generally exceeded the USEPA target clean-up level of 80 μg/g for Co in sediment. Concentrations of Co in water were as high as in 75,000 μg/L in the ICB, exceeding an LC50 of 346 μg/L for rainbow trout for Co in water by as much as two orders of magnitude, likely indicating an adverse effect on trout. Mine waste and stream sediment collected in the ICB also contained highly elevated As concentrations that varied from 26 to 17,000 μg/g, most of which exceeded the PEC of 33 μg/g and the USEPA target clean-up level of 35 μg/g for As in sediment. Conversely, most water samples had As concentrations that were below the 150 μg/L chronic criterion for protection of aquatic organisms and the USEPA target clean-up level of 14 μg/L. There is abundant Fe oxide in streams in the ICB and several samples of mine runoff and stream water exceeded the chronic criterion for protection of aquatic organisms of 1000 μg/L for Fe. There has been extensive remediation of mined areas in the ICB, but because some mine waste remaining in the area contains highly elevated Cu, Co, As and Fe, inhalation or ingestion of mine waste particulates may lead to human exposure to these elements.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Applied Geochemistry","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.apgeochem.2012.02.001","usgsCitation":"Gray, J.E., and Eppinger, R.G., 2012, Distribution of Cu, Co, As, and Fe in mine waste, sediment, soil, and water in and around mineral deposits and mines of the Idaho Cobalt Belt, USA: Applied Geochemistry, v. 27, no. 6, p. 1053-1062, https://doi.org/10.1016/j.apgeochem.2012.02.001.","startPage":"1053","endPage":"1062","numberOfPages":"10","ipdsId":"IP-032401","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":272233,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":272232,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.apgeochem.2012.02.001"}],"country":"United States","state":"Idaho","otherGeospatial":"Idaho Cobalt Belt","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.58,45.75 ], [ -114.58,45.5 ], [ -113.5,45.5 ], [ -113.5,45.75 ], [ -114.58,45.75 ] ] ] } } ] }","volume":"27","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd557fe4b0b290850f655c","contributors":{"authors":[{"text":"Gray, John E. jgray@usgs.gov","contributorId":1275,"corporation":false,"usgs":true,"family":"Gray","given":"John","email":"jgray@usgs.gov","middleInitial":"E.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":477271,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eppinger, Robert G. eppinger@usgs.gov","contributorId":849,"corporation":false,"usgs":true,"family":"Eppinger","given":"Robert","email":"eppinger@usgs.gov","middleInitial":"G.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":477270,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70042939,"text":"70042939 - 2012 - Severe maxillary osteomyelitis in a Gray Wolf (Canis lupus)","interactions":[],"lastModifiedDate":"2020-12-29T18:39:40.431267","indexId":"70042939","displayToPublicDate":"2012-06-13T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1163,"text":"Canadian Field-Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Severe maxillary osteomyelitis in a Gray Wolf (Canis lupus)","docAbstract":"<p><span>Whereas dental injuries and abnormalities have been documented in Gray Wolves (</span><i>Canis lupus</i><span>), severe maxillary necrosis has not previously been implicated in a Gray Wolf fatality. Here I report maxillary osteomyelitis in a wild Gray Wolf from northeastern Minnesota of such severity that I hypothesize it ultimately led to death by starvation.</span></p>","language":"English","publisher":"The Canadian Field-Naturalist","doi":"10.22621/cfn.v126i3.1368","usgsCitation":"Barber-Meyer, S., 2012, Severe maxillary osteomyelitis in a Gray Wolf (Canis lupus): Canadian Field-Naturalist, v. 126, no. 3, p. 238-241, https://doi.org/10.22621/cfn.v126i3.1368.","productDescription":"4 p.","startPage":"238","endPage":"241","ipdsId":"IP-042261","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":474465,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.22621/cfn.v126i3.1368","text":"Publisher Index Page"},{"id":381732,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","volume":"126","issue":"3","noUsgsAuthors":false,"publicationDate":"2013-01-23","publicationStatus":"PW","scienceBaseUri":"5180e7ece4b0df838b924da3","contributors":{"authors":[{"text":"Barber-Meyer, Shannon 0000-0002-3048-2616","orcid":"https://orcid.org/0000-0002-3048-2616","contributorId":104793,"corporation":false,"usgs":true,"family":"Barber-Meyer","given":"Shannon","affiliations":[],"preferred":false,"id":472626,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70154832,"text":"70154832 - 2012 - Responding to peer review and editor’s comments: Chapter 10","interactions":[],"lastModifiedDate":"2017-05-08T13:10:00","indexId":"70154832","displayToPublicDate":"2012-06-13T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Responding to peer review and editor’s comments: Chapter 10","docAbstract":"<p>No abstract available.</p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Scientific communication for natural resource professionals","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"American Fisheries Society","publisherLocation":"Bethesda, MD","isbn":"978-1-934874-28-8","usgsCitation":"Schramm, H., and Miranda, L.E., 2012, Responding to peer review and editor’s comments: Chapter 10, chap. <i>of</i> Scientific communication for natural resource professionals.","ipdsId":"IP-012770","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":340939,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":340938,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://fisheries.org/bookstore/all-titles/professional-and-trade/55066p/"}],"publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"591183b8e4b0e541a03c1a7e","contributors":{"authors":[{"text":"Schramm, Harold Jr. hschramm@usgs.gov","contributorId":145495,"corporation":false,"usgs":true,"family":"Schramm","given":"Harold","suffix":"Jr.","email":"hschramm@usgs.gov","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":false,"id":564246,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miranda, Leandro E. 0000-0002-2138-7924 smiranda@usgs.gov","orcid":"https://orcid.org/0000-0002-2138-7924","contributorId":531,"corporation":false,"usgs":true,"family":"Miranda","given":"Leandro","email":"smiranda@usgs.gov","middleInitial":"E.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":694499,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70038497,"text":"70038497 - 2012 - Chiral pesticides: Identification, description, and environmental implications","interactions":[],"lastModifiedDate":"2021-05-27T19:05:41.640894","indexId":"70038497","displayToPublicDate":"2012-06-12T12:20:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":887,"text":"Archives of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Chiral pesticides: Identification, description, and environmental implications","docAbstract":"Anthropogenic chemicals, including pesticides, are a major source of contamination and pollution in the environment. Pesticides have many positive uses: increased food production, decreased damage to crops and structures, reduced disease vector populations, and more. Nevertheless, pesticide exposure can pose risks to humans and the environment, so various mitigation strategies are exercised to make them safer, minimize their use, and reduce their unintended environment effects. One strategy that may help achieve these goals relies on the unique properties of chirality or molecular asymmetry. Some common terms related to chirality are defined in Table 1.","language":"English","publisher":"Springer","publisherLocation":"Amsterdam, Netherlands","doi":"10.1007/978-1-4614-2329-4_1","usgsCitation":"Ulrich, E.M., Morrison, C.N., Goldsmith, M.R., and Foreman, W., 2012, Chiral pesticides: Identification, description, and environmental implications: Archives of Environmental Contamination and Toxicology, v. 217, p. 1-74, https://doi.org/10.1007/978-1-4614-2329-4_1.","productDescription":"74 p.","startPage":"1","endPage":"74","costCenters":[{"id":140,"text":"Branch of Analytical Serv (National Water Quality Laboratory)","active":false,"usgs":true},{"id":452,"text":"National Water Quality Laboratory","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":257521,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"217","noUsgsAuthors":false,"publicationDate":"2012-01-30","publicationStatus":"PW","scienceBaseUri":"5059f5bce4b0c8380cd4c3be","contributors":{"authors":[{"text":"Ulrich, Elin M.","contributorId":62071,"corporation":false,"usgs":true,"family":"Ulrich","given":"Elin","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":464417,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Morrison, Candice N.","contributorId":94539,"corporation":false,"usgs":true,"family":"Morrison","given":"Candice","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":464418,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Goldsmith, Michael R.","contributorId":100680,"corporation":false,"usgs":true,"family":"Goldsmith","given":"Michael","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":464419,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Foreman, William T. wforeman@usgs.gov","contributorId":1473,"corporation":false,"usgs":true,"family":"Foreman","given":"William T.","email":"wforeman@usgs.gov","affiliations":[{"id":452,"text":"National Water Quality Laboratory","active":true,"usgs":true}],"preferred":false,"id":464416,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70210605,"text":"70210605 - 2012 - Playa-lake sedimentation and organic matter accumulation in an Andean piggyback basin: The recent record from the Cuenca de Pozuelos, NW Argentina","interactions":[],"lastModifiedDate":"2020-06-15T14:29:35.552641","indexId":"70210605","displayToPublicDate":"2012-06-12T12:16:37","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3369,"text":"Sedimentology","active":true,"publicationSubtype":{"id":10}},"title":"Playa-lake sedimentation and organic matter accumulation in an Andean piggyback basin: The recent record from the Cuenca de Pozuelos, NW Argentina","docAbstract":"<p><span>Expansive playa‐lake systems situated in high‐altitude piggyback basins are important and conspicuous components of both modern and ancient cordilleran orogenic systems. Extant playa lakes provide vital habitat for numerous endemic species, whereas sediments from these deposystems may record signals of climate change or develop natural resources over geological time. Laguna de los Pozuelos (North‐west Argentina) provides the opportunity for an actualistic sedimentological and geochemical assessment of a piggyback basin playa lake in an area of critical interest for understanding Quaternary palaeoclimate dynamics. Silty clays and diatom ooze are the dominant playa‐lake centre microfacies, with concentrations of total organic carbon and biogenic silica commonly exceeding 1·5 wt% in this sub‐environment. Elemental and stable isotopic analyses point to a mixed organic matter composition in the playa‐lake centre, with substantial contributions from algae and transported aquatic macrophytes. Bulk sediment and organic mass accumulation rates in the southern playa‐lake centre approach 0.22g cm</span><sup>−2 </sup><span>year</span><sup>−1</sup><span> and 2.89 mg cm</span><sup>−2 </sup><span>year</span><sup>−1</sup><span>, respectively, indicating moderately rapid deposition with negligible deflation over historic time. Playa margin facies contain higher percentages of fragmented biogenic carbonate (ostracods and charophytes) and inorganically precipitated aragonite crusts due to seasonal pumping and evaporation of ground water. Organic matter accumulation is limited along these heavily bioturbated wet and dry mud flats. Fluvial–lacustrine transitional environments, which are key waterbird habitats, are either silty terminal splay (northern axis) or sandy deltas (southern axis) containing highly oxidized and partially allochthonous organic matter. Modern analogue data from Laguna de los Pozuelos provide key insights for: (i) environmental reconstructions of ancient lake sequences; and (ii) improving facies models for piggyback basins.</span></p>","language":"English","publisher":"Wiley","doi":"10.1111/j.1365-3091.2011.01304.x","usgsCitation":"McGlue, M., Ellis, G., Cohen, A., and Swarzenski, P., 2012, Playa-lake sedimentation and organic matter accumulation in an Andean piggyback basin: The recent record from the Cuenca de Pozuelos, NW Argentina: Sedimentology, v. 59, no. 4, p. 1237-1256, https://doi.org/10.1111/j.1365-3091.2011.01304.x.","productDescription":"20 p.","startPage":"1237","endPage":"1256","ipdsId":"IP-021887","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":375531,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Argentina","otherGeospatial":"Cuenca de Pozuelos","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -66.59912109375,\n              -23.079731762449878\n            ],\n            [\n              -65.41259765625,\n              -23.079731762449878\n            ],\n            [\n              -65.41259765625,\n              -21.917567172190736\n            ],\n            [\n              -66.59912109375,\n              -21.917567172190736\n            ],\n            [\n              -66.59912109375,\n              -23.079731762449878\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"59","issue":"4","noUsgsAuthors":false,"publicationDate":"2011-11-28","publicationStatus":"PW","contributors":{"authors":[{"text":"McGlue, Michael M.","contributorId":225229,"corporation":false,"usgs":false,"family":"McGlue","given":"Michael M.","affiliations":[{"id":41081,"text":"Department of Geosciences, The University of Arizona, Tucson AZ","active":true,"usgs":false}],"preferred":false,"id":790789,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ellis, Geoffrey S 0000-0003-4519-3320","orcid":"https://orcid.org/0000-0003-4519-3320","contributorId":225228,"corporation":false,"usgs":true,"family":"Ellis","given":"Geoffrey S","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":790788,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cohen, Andrew S.","contributorId":225230,"corporation":false,"usgs":false,"family":"Cohen","given":"Andrew S.","affiliations":[{"id":41081,"text":"Department of Geosciences, The University of Arizona, Tucson AZ","active":true,"usgs":false}],"preferred":false,"id":790790,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Swarzenski, Peter W 0000-0003-0116-0578","orcid":"https://orcid.org/0000-0003-0116-0578","contributorId":225227,"corporation":false,"usgs":true,"family":"Swarzenski","given":"Peter W","affiliations":[],"preferred":true,"id":790787,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70038477,"text":"70038477 - 2012 - Aftershock seismicity of the 2010 Maule Mw=8.8 Chile, earthquake: Correlation between co-seismic slip models and aftershock distribution?","interactions":[],"lastModifiedDate":"2012-06-13T01:01:48","indexId":"70038477","displayToPublicDate":"2012-06-12T11:50:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Aftershock seismicity of the 2010 Maule Mw=8.8 Chile, earthquake: Correlation between co-seismic slip models and aftershock distribution?","docAbstract":"The 27 February 2010 Maule, Chile (Mw=8.8) earthquake is one of the best instrumentally observed subduction zone megathrust events. Here we present locations, magnitudes and cumulative equivalent moment of the first -2 months of aftershocks, recorded on a temporary network deployed within 2 weeks of the occurrence of the mainshock. Using automatically-determined onset times and a back projection approach for event association, we are able to detect over 30,000 events in the time period analyzed. To further increase the location accuracy, we systematically searched for potential S-wave arrivals and events were located in a regional 2D velocity model. Additionally, we calculated regional moment tensors to gain insight into the deformation history of the aftershock sequence. We find that the aftershock seismicity is concentrated between 40 and 140 km distance from the trench over a depth range of 10 to 35 km. Focal mechanisms indicate a predominance of thrust faulting, with occasional normal faulting events. Increased activity is seen in the outer-rise region of the Nazca plate, predominantly in the northern part of the rupture area. Further down-dip, a second band of clustered seismicity, showing mainly thrust motion, is located at depths of 40&ndash;45 km. By comparing recent published mainshock source inversions with our aftershock distribution, we discriminate slip models based on the assumption that aftershocks occur in areas of rapid transition between high and low slip, surrounding high-slip regions of the mainshock.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geophysical Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1029/2012GL051308","usgsCitation":"Rietbrock, A., Ryder, I., Hayes, G., Haberland, C., Comte, D., and Roecker, S., 2012, Aftershock seismicity of the 2010 Maule Mw=8.8 Chile, earthquake: Correlation between co-seismic slip models and aftershock distribution?: Geophysical Research Letters, v. 39, 5 p.; L08310, https://doi.org/10.1029/2012GL051308.","productDescription":"5 p.; L08310","temporalStart":"2010-02-27","temporalEnd":"2010-02-27","costCenters":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":474467,"rank":201,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://hal.science/hal-02057777","text":"External Repository"},{"id":257518,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":257498,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://dx.doi.org/10.1029/2012GL051308","linkFileType":{"id":5,"text":"html"}}],"country":"Chile","volume":"39","noUsgsAuthors":false,"publicationDate":"2012-04-28","publicationStatus":"PW","scienceBaseUri":"5059e8d2e4b0c8380cd47ec5","contributors":{"authors":[{"text":"Rietbrock, A.","contributorId":71826,"corporation":false,"usgs":true,"family":"Rietbrock","given":"A.","affiliations":[],"preferred":false,"id":464335,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ryder, I.","contributorId":11422,"corporation":false,"usgs":true,"family":"Ryder","given":"I.","email":"","affiliations":[],"preferred":false,"id":464332,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hayes, G.","contributorId":81349,"corporation":false,"usgs":true,"family":"Hayes","given":"G.","affiliations":[],"preferred":false,"id":464336,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Haberland, C.","contributorId":16210,"corporation":false,"usgs":true,"family":"Haberland","given":"C.","affiliations":[],"preferred":false,"id":464333,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Comte, D.","contributorId":52447,"corporation":false,"usgs":true,"family":"Comte","given":"D.","email":"","affiliations":[],"preferred":false,"id":464334,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Roecker, S.","contributorId":10173,"corporation":false,"usgs":true,"family":"Roecker","given":"S.","email":"","affiliations":[],"preferred":false,"id":464331,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70038518,"text":"70038518 - 2012 - A common-garden study of resource-island effects on a native and an exotic, annual grass after fire","interactions":[],"lastModifiedDate":"2012-06-13T01:01:48","indexId":"70038518","displayToPublicDate":"2012-06-12T11:40:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3228,"text":"Rangeland Ecology and Management","onlineIssn":"1551-5028","printIssn":"1550-7424","active":true,"publicationSubtype":{"id":10}},"title":"A common-garden study of resource-island effects on a native and an exotic, annual grass after fire","docAbstract":"Plant-soil variation related to perennial-plant resource islands (coppices) interspersed with relatively bare interspaces is a major source of heterogeneity in desert rangelands. Our objective was to determine how native and exotic grasses vary on coppice mounds and interspaces (microsites) in unburned and burned sites and underlying factors that contribute to the variation in sagebrush-steppe rangelands of the Idaho National Lab, where interspaces typically have abiotic crusts. We asked how the exotic cheatgrass (<i>Bromus tectorum</i> L.) and native bluebunch wheatgrass (<i>Pseudoroegneria spicata</i> [Pursh] A. L&#246;ve) were distributed among the microsites and measured their abundances in three replicate wildfires and nearby unburned areas. We conducted a common-garden study in which soil cores from each burned microsite type were planted with seed of either species to determine microsite effects on establishment and growth of native and exotic grasses. We assessed soil physical properties in the common-garden study to determine the intrinsic properties of each microsite surface and the retention of microsite soil differences following transfer of soils to the garden, to plant growth, and to wetting/drying cycles. In the field study, only bluebunch wheatgrass density was greater on coppice mounds than interspaces, in both unburned and burned areas. In the common-garden experiment, there were microsite differences in soil physical properties, particularly in crust hardness and its relationship to moisture, but soil properties were unaffected by plant growth. Also in the experiment, both species had equal densities yet greater dry mass production on coppice-mound soils compared to interspace soils, suggesting microsite differences in growth but not establishment (likely related to crust weakening resulting from watering). Coppice-interspace patterning and specifically native-herb recovery on coppices is likely important for postfire resistance of this rangeland to cheatgrass.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Rangeland Ecology and Management","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Society for Range Management","publisherLocation":"Wheat Ridge, CO","doi":"10.2111/REM-D-11-00026.1","usgsCitation":"Hoover, A.N., and Germino, M., 2012, A common-garden study of resource-island effects on a native and an exotic, annual grass after fire: Rangeland Ecology and Management, v. 65, no. 2, p. 160-170, https://doi.org/10.2111/REM-D-11-00026.1.","productDescription":"11 p.","startPage":"160","endPage":"170","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":474468,"rank":101,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2111/rem-d-11-00026.1","text":"Publisher Index Page"},{"id":257496,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://dx.doi.org/10.2111/REM-D-11-00026.1","linkFileType":{"id":5,"text":"html"}},{"id":257517,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Idaho","volume":"65","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e34ce4b0c8380cd45f53","contributors":{"authors":[{"text":"Hoover, Amber N.","contributorId":75801,"corporation":false,"usgs":true,"family":"Hoover","given":"Amber","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":464498,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Germino, Matthew J.","contributorId":50029,"corporation":false,"usgs":true,"family":"Germino","given":"Matthew J.","affiliations":[],"preferred":false,"id":464497,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70038667,"text":"70038667 - 2012 - Incorporating climate change into systematic conservation planning","interactions":[],"lastModifiedDate":"2012-06-16T01:01:35","indexId":"70038667","displayToPublicDate":"2012-06-12T11:25:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1006,"text":"Biodiversity and Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Incorporating climate change into systematic conservation planning","docAbstract":"The principles of systematic conservation planning are now widely used by governments and non-government organizations alike to develop biodiversity conservation plans for countries, states, regions, and ecoregions. Many of the species and ecosystems these plans were designed to conserve are now being affected by climate change, and there is a critical need to incorporate new and complementary approaches into these plans that will aid species and ecosystems in adjusting to potential climate change impacts. We propose five approaches to climate change adaptation that can be integrated into existing or new biodiversity conservation plans: (1) conserving the geophysical stage, (2) protecting climatic refugia, (3) enhancing regional connectivity, (4) sustaining ecosystem process and function, and (5) capitalizing on opportunities emerging in response to climate change. We discuss both key assumptions behind each approach and the trade-offs involved in using the approach for conservation planning. We also summarize additional data beyond those typically used in systematic conservation plans required to implement these approaches. A major strength of these approaches is that they are largely robust to the uncertainty in how climate impacts may manifest in any given region.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Biodiversity and Conservation","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Springer","publisherLocation":"Amsterdam, Netherlands","doi":"10.1007/s10531-012-0269-3","usgsCitation":"Groves, C.R., Game, E.T., Anderson, M.G., Cross, M., Enquist, C., Ferdana, Z., Girvetz, E., Gondor, A., Hall, K., Higgins, J., Marshall, R., Popper, K., Schill, S., and Shafer, S., 2012, Incorporating climate change into systematic conservation planning: Biodiversity and Conservation, v. 21, no. 7, p. 1651-1671, https://doi.org/10.1007/s10531-012-0269-3.","productDescription":"21 p.","startPage":"1651","endPage":"1671","costCenters":[{"id":308,"text":"Geology and Environmental Change Science Center","active":false,"usgs":true}],"links":[{"id":474470,"rank":201,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s10531-012-0269-3","text":"Publisher Index Page"},{"id":257494,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://dx.doi.org/10.1007/s10531-012-0269-3","linkFileType":{"id":5,"text":"html"}},{"id":257520,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"21","issue":"7","noUsgsAuthors":false,"publicationDate":"2012-03-17","publicationStatus":"PW","scienceBaseUri":"505a39e8e4b0c8380cd61a9b","contributors":{"authors":[{"text":"Groves, Craig R.","contributorId":39228,"corporation":false,"usgs":true,"family":"Groves","given":"Craig","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":464661,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Game, Edward T.","contributorId":16267,"corporation":false,"usgs":true,"family":"Game","given":"Edward","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":464656,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Anderson, Mark G. 0000-0002-1477-6788 manders@usgs.gov","orcid":"https://orcid.org/0000-0002-1477-6788","contributorId":38412,"corporation":false,"usgs":true,"family":"Anderson","given":"Mark","email":"manders@usgs.gov","middleInitial":"G.","affiliations":[],"preferred":false,"id":464660,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cross, Molly","contributorId":73455,"corporation":false,"usgs":true,"family":"Cross","given":"Molly","affiliations":[],"preferred":false,"id":464665,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Enquist, Carolyn","contributorId":19421,"corporation":false,"usgs":true,"family":"Enquist","given":"Carolyn","affiliations":[],"preferred":false,"id":464657,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Ferdana, Zach","contributorId":7129,"corporation":false,"usgs":true,"family":"Ferdana","given":"Zach","email":"","affiliations":[],"preferred":false,"id":464655,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Girvetz, Evan","contributorId":104764,"corporation":false,"usgs":true,"family":"Girvetz","given":"Evan","email":"","affiliations":[],"preferred":false,"id":464667,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Gondor, Anne","contributorId":48017,"corporation":false,"usgs":true,"family":"Gondor","given":"Anne","email":"","affiliations":[],"preferred":false,"id":464663,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Hall, Kimberly R.","contributorId":42476,"corporation":false,"usgs":true,"family":"Hall","given":"Kimberly R.","affiliations":[],"preferred":false,"id":464662,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Higgins, Jonathan","contributorId":80534,"corporation":false,"usgs":true,"family":"Higgins","given":"Jonathan","email":"","affiliations":[],"preferred":false,"id":464666,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Marshall, Rob","contributorId":59673,"corporation":false,"usgs":true,"family":"Marshall","given":"Rob","email":"","affiliations":[],"preferred":false,"id":464664,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Popper, Ken","contributorId":106745,"corporation":false,"usgs":true,"family":"Popper","given":"Ken","email":"","affiliations":[],"preferred":false,"id":464668,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Schill, Steve","contributorId":26184,"corporation":false,"usgs":true,"family":"Schill","given":"Steve","email":"","affiliations":[],"preferred":false,"id":464658,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Shafer, Sarah L.","contributorId":32623,"corporation":false,"usgs":true,"family":"Shafer","given":"Sarah L.","affiliations":[],"preferred":false,"id":464659,"contributorType":{"id":1,"text":"Authors"},"rank":14}]}}
,{"id":70038679,"text":"cir1372 - 2012 - Plague","interactions":[],"lastModifiedDate":"2018-01-17T13:22:57","indexId":"cir1372","displayToPublicDate":"2012-06-12T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":307,"text":"Circular","code":"CIR","onlineIssn":"2330-5703","printIssn":"1067-084X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1372","title":"Plague","docAbstract":"<i>Plague</i> offers readers an overview of this highly complex disease caused by the bacteria <i>Yersinia pestis</i>. The history of the disease, as well as information about <i>Yersinia pestis</i> and its transmission by fleas, is described. The section <i>Geographic Distribution</i> presents areas of the world and United States where plague occurs most commonly in rodents and humans. <i>Species Susceptibility</i> describes infection and disease rates in rodents, humans, and other animals. <i>Disease Ecology</i> considers the complex relationship among rodents, domestic and wild animals, and humans and explores possible routes of transmission and maintenance of the organism in the environment. The effects of climate change, the potential for <i>Y. pestis</i> to be used as a bioweapon, and the impact of plague on conservation of wildlife are considered in <i>Points to Ponder</i>. <i>Disease Prevention and Control</i> outlines methods of prevention and treatment including vaccination for prairie dogs and black-footed ferrets. A glossary of technical terms is included. Tonie E. Rocke, the senior author and an epizootiologist at the USGS National Wildlife Health Center (NWHC), is a prominent researcher on oral vaccination of prairie dogs to prevent plague. She is currently working to transfer her success in the laboratory to the field to control plague in prairie dogs. Rachel C. Abbott, a biologist at the NWHC, is assisting Dr. Rocke in this process and will coordinate field trials of the vaccine. Milt Friend, first director of the NWHC, wrote the foreword. <i>Plague</i> is intended for scholars and the general public. The material is presented in a simple, straightforward manner that serves both audiences. Numerous illustrations and tables provide easily understood summaries of key points and information.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/cir1372","usgsCitation":"Abbott, R.C., and Rocke, T.E., 2012, Plague: U.S. Geological Survey Circular 1372, Report: x, 76 p.; Appendix, https://doi.org/10.3133/cir1372.","productDescription":"Report: x, 76 p.; Appendix","ipdsId":"IP-028450","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":257510,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/cir_1372.gif"},{"id":287236,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/circ/1372/pdf/C1372_Plague.pdf"},{"id":257491,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/circ/1372/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a7b99e4b0c8380cd7950d","contributors":{"authors":[{"text":"Abbott, Rachel C. 0000-0003-4820-9295 rabbott@usgs.gov","orcid":"https://orcid.org/0000-0003-4820-9295","contributorId":1183,"corporation":false,"usgs":true,"family":"Abbott","given":"Rachel","email":"rabbott@usgs.gov","middleInitial":"C.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":true,"id":464680,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rocke, Tonie E. 0000-0003-3933-1563 trocke@usgs.gov","orcid":"https://orcid.org/0000-0003-3933-1563","contributorId":2665,"corporation":false,"usgs":true,"family":"Rocke","given":"Tonie","email":"trocke@usgs.gov","middleInitial":"E.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":true,"id":464681,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70038649,"text":"fs20123083 - 2012 - Satellite tracking and geospatial analysis of feral swine and their habitat use in Louisiana and Mississippi","interactions":[],"lastModifiedDate":"2012-06-13T01:01:48","indexId":"fs20123083","displayToPublicDate":"2012-06-12T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2012-3083","title":"Satellite tracking and geospatial analysis of feral swine and their habitat use in Louisiana and Mississippi","docAbstract":"Feral swine (<i>Sus scrofa</i>) is an invasive species that was first introduced to the continental United States in the 1500s by European explorers. Also known as feral hogs or feral pigs, the animals typically weigh about 200 pounds (up to 400 pounds), have characteristic tusks up to 3 inches long, are territorial, and live in groups, except for the boars, who are solitary and typically interact with sows only to breed. They have an average litter size of 5-6 piglets and occasionally two litters per year, and because they have few natural predators, survival of their young can be nearly 100 percent. Because of the detrimental impacts of this invasive species---including rooting, damaging agricultural lands, competing for food with and destroying the habitats of native animals, and spreading diseases and parasites---many public lands implement feral swine control programs on an annual basis. This activity is not enough to control or prevent an increase in swine populations, however, because of their distribution beyond the boundaries of public lands. Currently, little is known about feral swine populations, their habitat use and movement patterns, and the resulting habitat destruction in Louisiana and Mississippi. To abate this lack of knowledge, researchers at the U.S. Geological Survey National Wetlands Research Center (NWRC)---in cooperation with the U.S. Fish and Wildlife Service, the Louisiana Department of Wildlife and Fisheries, and several large landholding companies---are using collars equipped with Global Positioning System (GPS) receivers to track feral swine in Louisiana and Mississippi to examine population movement patterns, document destruction of habitat and wildlife, and help increase and facilitate removal. The NWRC researchers are using the \"Judas pig\" system of attaching GPS-satellite telemetry collars to select feral swine to (1) track movement patterns on the landscape, (2) document habitat destruction and effects on native wildlife, and (3) improve removal rates. Once a collar has been attached to an individual, usually a large boar or sow, it is released and returns to its group. The group's movements and locations can then be tracked through the movement of the collared individual, the \"Judas pig,\" allowing researchers and managers to better target removal efforts. The use of GPS telemetry will allow the NWRC researchers to monitor feral swine movements daily. The results of this research will provide natural resource managers with more information for managing and responding to the impacts of this invasive species.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20123083","usgsCitation":"Hartley, S.B., Spear, K.A., and Goatcher, B.L., 2012, Satellite tracking and geospatial analysis of feral swine and their habitat use in Louisiana and Mississippi: U.S. Geological Survey Fact Sheet 2012-3083, 2 p., https://doi.org/10.3133/fs20123083.","productDescription":"2 p.","numberOfPages":"2","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true}],"links":[{"id":257531,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/2012/3083/","linkFileType":{"id":5,"text":"html"}},{"id":257532,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2012/3083/FS2012-3083.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":257533,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2012_3083.gif"}],"country":"United States","state":"Louisiana;Mississippi","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b86ece4b08c986b3161df","contributors":{"authors":[{"text":"Hartley, Stephen B. 0000-0003-1380-2769 hartleys@usgs.gov","orcid":"https://orcid.org/0000-0003-1380-2769","contributorId":4164,"corporation":false,"usgs":true,"family":"Hartley","given":"Stephen","email":"hartleys@usgs.gov","middleInitial":"B.","affiliations":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":464594,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Spear, Kathryn A. 0000-0001-8942-2856 speark@usgs.gov","orcid":"https://orcid.org/0000-0001-8942-2856","contributorId":1949,"corporation":false,"usgs":true,"family":"Spear","given":"Kathryn","email":"speark@usgs.gov","middleInitial":"A.","affiliations":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":464593,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Goatcher, Buddy L.","contributorId":106361,"corporation":false,"usgs":true,"family":"Goatcher","given":"Buddy","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":464595,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70038671,"text":"sir20115182 - 2012 - Hydrogeology, water chemistry, and transport processes in the zone of contribution of a public-supply well in Albuquerque, New Mexico, 2007-9","interactions":[],"lastModifiedDate":"2012-06-13T01:01:48","indexId":"sir20115182","displayToPublicDate":"2012-06-12T00:00:00","publicationYear":"2012","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":"2011-5182","title":"Hydrogeology, water chemistry, and transport processes in the zone of contribution of a public-supply well in Albuquerque, New Mexico, 2007-9","docAbstract":"The National Water-Quality Assessment Program (NAWQA) of the U.S. Geological Survey began a series of groundwater studies in 2001 in representative aquifers across the Nation in order to increase understanding of the factors that affect transport of anthropogenic and natural contaminants (TANC) to public-supply wells. One of 10 regional-scale TANC studies was conducted in the Middle Rio Grande Basin (MRGB) in New Mexico, where a more detailed local-scale study subsequently investigated the hydrogeology, water chemistry, and factors affecting the transport of contaminants in the zone of contribution of one 363-meter (m) deep public-supply well in Albuquerque. During 2007 through 2009, samples were collected for the local-scale study from 22 monitoring wells and 3 public-supply (supply) wells for analysis of major and trace elements, arsenic speciation, nutrients, dissolved organic carbon, volatile organic compounds (VOCs), dissolved gases, stable isotopes, and tracers of young and old water. To study groundwater chemistry and ages at various depths within the aquifer, the monitoring wells were divided into three categories: (1) each shallow well was screened across the water table or had a screen midpoint within 18.3 m of the water level in the well; (2) each intermediate well had a screen midpoint between about 27.1 and 79.6 m below the water level in the well; and (3) each deep well had a screen midpoint about 185 m or more below the water level in the well. The 24-square-kilometer study area surrounding the \"studied supply well\" (SSW), one of the three supply wells, consists of primarily urban land within the MRGB, a deep alluvial basin with an aquifer composed of unconsolidated to moderately consolidated deposits of sand, gravel, silt, and clay. Conditions generally are unconfined, but are semiconfined at depth. Groundwater withdrawals for public supply have substantially changed the primary direction of flow from northeast to southwest under predevelopment conditions, to west to east under modern conditions. Analysis of age tracers indicates that groundwater from most sampled wells is dominated by old (pre-1950) water, ranging in mean age from about 4,000 years to more than 22,000 years, but includes a fraction of young (post-1950) recharge. Patterns in chemical and isotopic data are consistent with the conclusions that shallow groundwater in the area typically includes a fraction that evaporated prior to recharge and (or) flushed accumulated solutes out of the unsaturated zone during recharge, and that shallow groundwater has mixed to deeper parts of the aquifer, which receives recharge mainly by seepage from the Rio Grande. Among shallow and intermediate wells that produced water with a fraction of young recharge, that fraction ranged between 1.5 and 46 percent. Samples from the two deep wells had groundwater ages exceeding 18,000 years, with no fraction of young recharge. Two supply wells (including the SSW) had a fraction of young recharge, which ranged between about 3 and 11 percent, despite mean groundwater ages exceeding 10,000 years. The fraction of young recharge to the SSW varied seasonally, probably because seasonal pumping patterns affected local hydraulic gradients and (or) because of flow through the well bore when the SSW is not pumping. Well-bore flow data collected during winter (low-pumping season) indicated that about 61 percent of the water pumped from the SSW entered the well from the intermediate part of the aquifer, and that the remaining 39 percent entered from the deep part of the aquifer. Volatile organic compounds (VOCs) were detected in samples from most shallow and intermediate monitoring wells and from two of three supply wells, including the SSW. Detected VOCs were primarily chlorinated solvents or their degradation products. Many of the wells in which most of these VOCs were detected are located near known sites of solvent contamination that were targeted for sampling because trichloroethylene (TCE) and cis-1,2-dichloroethylene had been detected in the SSW, and several of these wells may have become contaminated at least partly because of enhanced vertical migration associated with the pumping of and (or) direct migration down deep well bores. Except for TCE in the sample from a shallow monitoring well, all detections of VOCs were at concentrations below Maximum Contaminant Levels (MCLs) set by the U.S. Environmental Protection Agency. Concentrations of all VOCs detected in the supply wells were less than one-tenth of the corresponding MCLs. However, the presence of VOCs in all but deep groundwater, including the detection of chloroform (a chlorination byproduct) in several shallow wells, indicates that groundwater in the study area commonly is affected by human activities, even to substantial depths. The only natural contaminant detected at concentrations near or above its MCL was arsenic, which has been detected at elevated concentrations across broad areas of the MRGB. Concentrations of arsenic, present primarily as arsenate, exceeded the MCL of 10 micrograms per liter (&mu;g/L) in water from the two deep wells (one of which had the highest concentration, 35 &mu;g/L), from one intermediate well, and from two supply wells, including the SSW. Water-quality and solid-phase data from this study are consistent with elevated arsenic concentrations in groundwater being related to pH-dependent desorption of arsenic from ferric oxyhydroxides in sediments in deep parts of the aquifer. Concentrations of nitrate ranged between 1.3 and 5.4 milligrams per liter (mg/L) in water from shallow wells screened across the water table, but were less than 0.9 mg/L in water from all but one deeper well. Nitrogen isotopes and chloride/bromide ratios for shallow wells were consistent with natural soil nitrogen. Nitrate concentrations and nitrogen isotopes indicated that denitrification is occurring at intermediate aquifer depths, and that the progress of the denitrification reaction typically is greatest for wells that include a fraction of groundwater associated with particular recharge sources or with known sites of contamination contributing organic compounds that can provide a carbon source for microbial respiration. Overall, hydrologic and chemical data from the study area indicate that young recharge is reaching the aquifer across broad areas and is migrating from shallow to intermediate depths of the aquifer as a result of mixing that is associated with human development of groundwater. Consequently, groundwater that human activities in the urban study area have affected is present at depths that are within the screened intervals of public-supply wells, resulting in detections of VOCs and implying greater vulnerability to anthropogenic contamination than might be assumed based on the dominantly old age of the regional groundwater. However, the fractions of old groundwater that public-supply wells produce substantially dilute the anthropogenic contaminants, while contributing natural contaminants (primarily arsenic) to the wells. Based on data from the SSW, vulnerability of public-supply wells to natural and anthropogenic contaminants in the area changes through time, including with seasonal changes in pumping stresses that alter the fractions of young and old water being contributed to wells.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20115182","collaboration":"U.S. Geological Survey National Water-Quality Assessment Program","usgsCitation":"Bexfield, L.M., Jurgens, B., Crilley, D.M., and Christenson, S.C., 2012, Hydrogeology, water chemistry, and transport processes in the zone of contribution of a public-supply well in Albuquerque, New Mexico, 2007-9: U.S. Geological Survey Scientific Investigations Report 2011-5182, xi, 109 p.; Appendices, https://doi.org/10.3133/sir20115182.","productDescription":"xi, 109 p.; Appendices","costCenters":[{"id":472,"text":"New Mexico Water Science Center","active":true,"usgs":true}],"links":[{"id":257480,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2011_5182.gif"},{"id":257478,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2011/5182/","linkFileType":{"id":5,"text":"html"}}],"scale":"24000","projection":"Universal Transverse Mercator, Zone 13","datum":"North American Datum of 1983","country":"United States","state":"New Mexico","county":"Bernalillo;Cibola;Sandoval;Santa Fe;Socorro;Torrance;Valencia","city":"Albuquerque","otherGeospatial":"Middle Rio Grande Basin","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -107.41666666666667,34.25 ], [ -107.41666666666667,35.75 ], [ -106.08333333333333,35.75 ], [ -106.08333333333333,34.25 ], [ -107.41666666666667,34.25 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a34e8e4b0c8380cd5fb11","contributors":{"authors":[{"text":"Bexfield, Laura M. 0000-0002-1789-654X bexfield@usgs.gov","orcid":"https://orcid.org/0000-0002-1789-654X","contributorId":1273,"corporation":false,"usgs":true,"family":"Bexfield","given":"Laura","email":"bexfield@usgs.gov","middleInitial":"M.","affiliations":[{"id":472,"text":"New Mexico Water Science Center","active":true,"usgs":true}],"preferred":true,"id":464670,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jurgens, Bryant C. 0000-0002-1572-113X","orcid":"https://orcid.org/0000-0002-1572-113X","contributorId":22454,"corporation":false,"usgs":true,"family":"Jurgens","given":"Bryant C.","affiliations":[],"preferred":false,"id":464672,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Crilley, Dianna M. 0000-0003-0432-5948 dcrilley@usgs.gov","orcid":"https://orcid.org/0000-0003-0432-5948","contributorId":3896,"corporation":false,"usgs":true,"family":"Crilley","given":"Dianna","email":"dcrilley@usgs.gov","middleInitial":"M.","affiliations":[{"id":472,"text":"New Mexico Water Science Center","active":true,"usgs":true},{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":464671,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Christenson, Scott C. schris@usgs.gov","contributorId":980,"corporation":false,"usgs":true,"family":"Christenson","given":"Scott","email":"schris@usgs.gov","middleInitial":"C.","affiliations":[{"id":516,"text":"Oklahoma Water Science Center","active":true,"usgs":true}],"preferred":true,"id":464669,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70189060,"text":"70189060 - 2012 - State of the art satellite and airborne marine oil spill remote sensing: Application to the BP Deepwater Horizon oil spill","interactions":[],"lastModifiedDate":"2017-06-30T09:41:05","indexId":"70189060","displayToPublicDate":"2012-06-12T00:00:00","publicationYear":"2012","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":"State of the art satellite and airborne marine oil spill remote sensing: Application to the BP <i>Deepwater Horizon</i> oil spill","title":"State of the art satellite and airborne marine oil spill remote sensing: Application to the BP Deepwater Horizon oil spill","docAbstract":"<p id=\"sp0005\">The vast and persistent<span>&nbsp;</span><i>Deepwater Horizon</i><span>&nbsp;</span>(DWH) spill challenged response capabilities, which required accurate, quantitative oil assessment at synoptic and operational scales. Although experienced observers are a spill response's mainstay, few trained observers and confounding factors including weather, oil emulsification, and scene illumination geometry present challenges. DWH spill and impact monitoring was aided by extensive airborne and spaceborne passive and active remote sensing.</p><p id=\"sp0010\">Oil slick thickness and oil-to-water emulsion ratios are key spill response parameters for containment/cleanup and were derived quantitatively for thick (&gt;&nbsp;0.1&nbsp;mm) slicks from AVIRIS (Airborne Visible/Infrared Imaging Spectrometer) data using a spectral library approach based on the shape and depth of near infrared spectral absorption features. MODIS (Moderate Resolution Imaging Spectroradiometer) satellite, visible-spectrum broadband data of surface-slick modulation of sunglint reflection allowed extrapolation to the total slick. A multispectral expert system used a neural network approach to provide Rapid Response thickness class maps.</p><p id=\"sp0015\">Airborne and satellite synthetic aperture radar (SAR) provides synoptic data under all-sky conditions; however, SAR generally cannot discriminate thick (&gt;&nbsp;100&nbsp;μm) oil slicks from thin sheens (to 0.1&nbsp;μm). The UAVSAR's (Uninhabited Aerial Vehicle SAR) significantly greater signal-to-noise ratio and finer spatial resolution allowed successful pattern discrimination related to a combination of oil slick thickness, fractional surface coverage, and emulsification.</p><p id=\"sp0020\">In situ burning and smoke plumes were studied with AVIRIS and corroborated spaceborne CALIPSO (Cloud Aerosol Lidar and Infrared Pathfinder Satellite Observation) observations of combustion aerosols. CALIPSO and bathymetry lidar data documented shallow subsurface oil, although ancillary data were required for confirmation.</p><p id=\"sp0025\">Airborne hyperspectral, thermal infrared data have nighttime and overcast collection advantages and were collected as well as MODIS thermal data. However, interpretation challenges and a lack of Rapid Response Products prevented significant use. Rapid Response Products were key to response utilization—data needs are time critical; thus, a high technological readiness level is critical to operational use of remote sensing products. DWH's experience demonstrated that development and operationalization of new spill response remote sensing tools must precede the next major oil spill.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.rse.2012.03.024","usgsCitation":"Leifer, I., Lehr, W.J., Simecek-Beatty, D., Bradley, E., Clark, R.N., Dennison, P.E., Hu, Y., Matheson, S., Jones, C., Holt, B., Reif, M., Roberts, D.A., Svejkovsky, J., Swayze, G.A., and Wozencraft, J.M., 2012, State of the art satellite and airborne marine oil spill remote sensing: Application to the BP Deepwater Horizon oil spill: Remote Sensing of Environment, v. 124, p. 185-209, https://doi.org/10.1016/j.rse.2012.03.024.","productDescription":"25 p.","startPage":"185","endPage":"209","ipdsId":"IP-028402","costCenters":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":343150,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"124","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"595611c6e4b0d1f9f05067dd","contributors":{"authors":[{"text":"Leifer, Ira","contributorId":57988,"corporation":false,"usgs":true,"family":"Leifer","given":"Ira","email":"","affiliations":[],"preferred":false,"id":702691,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lehr, William J.","contributorId":193968,"corporation":false,"usgs":false,"family":"Lehr","given":"William","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":702738,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Simecek-Beatty, Debra","contributorId":193944,"corporation":false,"usgs":false,"family":"Simecek-Beatty","given":"Debra","email":"","affiliations":[],"preferred":false,"id":702690,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bradley, Eliza","contributorId":61130,"corporation":false,"usgs":true,"family":"Bradley","given":"Eliza","affiliations":[],"preferred":false,"id":702739,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Clark, Roger N. 0000-0002-7021-1220 rclark@usgs.gov","orcid":"https://orcid.org/0000-0002-7021-1220","contributorId":515,"corporation":false,"usgs":true,"family":"Clark","given":"Roger","email":"rclark@usgs.gov","middleInitial":"N.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":702687,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Dennison, Philip E.","contributorId":105132,"corporation":false,"usgs":true,"family":"Dennison","given":"Philip","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":702740,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Hu, Yongxiang","contributorId":193969,"corporation":false,"usgs":false,"family":"Hu","given":"Yongxiang","email":"","affiliations":[],"preferred":false,"id":702741,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Matheson, Scott","contributorId":193970,"corporation":false,"usgs":false,"family":"Matheson","given":"Scott","email":"","affiliations":[],"preferred":false,"id":702742,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Jones, Cathleen E","contributorId":189314,"corporation":false,"usgs":false,"family":"Jones","given":"Cathleen E","affiliations":[],"preferred":false,"id":702689,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Holt, Benjamin","contributorId":118403,"corporation":false,"usgs":true,"family":"Holt","given":"Benjamin","email":"","affiliations":[],"preferred":false,"id":702688,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Reif, Molly","contributorId":193971,"corporation":false,"usgs":false,"family":"Reif","given":"Molly","email":"","affiliations":[],"preferred":false,"id":702748,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Roberts, Dar A.","contributorId":100503,"corporation":false,"usgs":false,"family":"Roberts","given":"Dar","email":"","middleInitial":"A.","affiliations":[{"id":12804,"text":"Univ. of California Santa Barbara","active":true,"usgs":false}],"preferred":false,"id":702749,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Svejkovsky, Jan","contributorId":53208,"corporation":false,"usgs":true,"family":"Svejkovsky","given":"Jan","email":"","affiliations":[],"preferred":false,"id":702692,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Swayze, Gregg A. 0000-0002-1814-7823 gswayze@usgs.gov","orcid":"https://orcid.org/0000-0002-1814-7823","contributorId":518,"corporation":false,"usgs":true,"family":"Swayze","given":"Gregg","email":"gswayze@usgs.gov","middleInitial":"A.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true},{"id":309,"text":"Geology and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":702686,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Wozencraft, Jennifer M.","contributorId":60964,"corporation":false,"usgs":true,"family":"Wozencraft","given":"Jennifer","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":702750,"contributorType":{"id":1,"text":"Authors"},"rank":15}]}}
,{"id":70038674,"text":"pp1791 - 2012 - The Novarupta-Katmai eruption of 1912 - largest eruption of the twentieth century; centennial perspectives","interactions":[],"lastModifiedDate":"2019-05-30T13:49:18","indexId":"pp1791","displayToPublicDate":"2012-06-12T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1791","title":"The Novarupta-Katmai eruption of 1912 - largest eruption of the twentieth century; centennial perspectives","docAbstract":"The explosive outburst at Novarupta (Alaska) in June 1912 was the 20th century's most voluminous volcanic eruption. Marking its centennial, we illustrate and document the complex eruptive sequence, which was long misattributed to nearby Mount Katmai, and how its deposits have provided key insights about volcanic and magmatic processes. It was one of the few historical eruptions to produce a collapsed caldera, voluminous high-silica rhyolite, wide compositional zonation (51-78 percent SiO<sub>2</sub>), banded pumice, welded tuff, and an aerosol/dust veil that depressed global temperature measurably. It emplaced a series of ash flows that filled what became the Valley of Ten Thousand Smokes, sustaining high-temperature metal-transporting fumaroles for a decade. Three explosive episodes spanned ~60 hours, depositing ~17 km<sup>3</sup> of fallout and 11&plusmn;2 km<sup>3</sup> of ignimbrite, together representing ~13.5 km<sup>3</sup> of zoned magma. No observers were nearby and no aircraft were in Alaska, and so the eruption narrative was assembled from scattered villages and ship reports. Because volcanology was in its infancy and the early investigations (1915-23) were conducted under arduous expeditionary conditions, many provocative misapprehensions attended reports based on those studies. Fieldwork at Katmai was not resumed until 1953, but, since then, global advances in physical volcanology and chemical petrology have gone hand in hand with studies of the 1912 deposits, clarifying the sequence of events and processes and turning the eruption into one of the best studied in the world. To provide perspective on this century-long evolution, we describe the geologic and geographic setting of the eruption - in a remote, sparsely inhabited wilderness; we review the cultural and scientific contexts at the time of the eruption and early expeditions; and we compile a chronology of the many Katmai investigations since 1912. Products of the eruption are described in detail, including eight layers of regionwide fallout, nine packages of ash flows, and three lava domes that followed the explosive pyroclastic episodes. Changes in the proportions of coerupting rhyolite, dacite, and andesite pumice documented for the fallout and ash-flow successions, which are locally interbedded, permit close correlation of those synchronously emplaced sequences and their varied facies. Petrological correlation of the sequence of deposits near Novarupta with ash layers at Kodiak village, 170 km downwind, where three episodes of ashfall were recorded (to the hour), provides key constraints on timing of the eruptive events. Syneruptive collapse of a kilometer-deep caldera took place atop Mount Katmai, a stratovolcano centered 10 km east of the eruption site at Novarupta, owing to drainage of magma from beneath the Katmai edifice. Correlation of ~50 earthquakes recorded at distant seismic stations (including 14 shocks of magnitude 6.0 to 7.0) to fitful caldera collapse provides further constraints on eruption timing, because layers of nonjuvenile breccia and mud ejected from Mount Katmai during collapse pulses are intercalated with the pumice-fall layers from Novarupta. Structure of the Novarupta vent, a 2-km-wide depression backfilled by welded tuff and inferred to be funnel-shaped at depth, is described in detail, as is the 4-km-wide caldera at Mount Katmai. Discussions are also provided concerning: (1) the impact on global climate of the great mass of sulfur-poor but halogen-rich aerosol ejected into the atmosphere by the rhyolite-dominated eruption; (2) chemical and mineralogical effects of the fumarolic acid gases; and (3) the timing of several syneruptive landslide deposits sandwiched within the pumice-fall sequence. Secondary posteruption phenomena characterized include impounded lakes, ash-rich debris flows, phreatic craters on the ignimbrite sheet, responses of glaciers to the fallout blanket and to beheading by caldera collapse, growth of new glaciers inside the caldera, and gradual filling of the caldera lake. Structure, composition, and ages of the several andesite-dacite stratovolcanoes, closely clustered near Novarupta, all of which remain fumarolically and seismically active, are summarized. But among them only Mount Katmai extends compositionally to include basalt and rhyolite. The petrological affinities of 1912 magmas erupted at Novarupta with pre-1912 Katmai lavas are outlined, and various chemical, mineralogical, isotopic, and experimental data are assembled to construct a model of preeruptive magma storage beneath Mount Katmai. The monograph concludes by comparing the 1912 eruption with several other well-studied large explosive eruptions, 14 of them historical and 9 prehistoric. Finally, we retrospectively review the historical difficulties in understanding what had actually taken place at Katmai in 1912 and the century of progress in volcano science that has allowed most of it to be figured out.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/pp1791","usgsCitation":"Hildreth, W., and Fierstein, J., 2012, The Novarupta-Katmai eruption of 1912 - largest eruption of the twentieth century; centennial perspectives: U.S. Geological Survey Professional Paper 1791, xiv, 244 p.; Appendices; E-Book Version, https://doi.org/10.3133/pp1791.","productDescription":"xiv, 244 p.; Appendices; E-Book Version","costCenters":[{"id":121,"text":"Alaska Volcano Observatory","active":false,"usgs":true},{"id":615,"text":"Volcano Hazards Program","active":true,"usgs":true}],"links":[{"id":257484,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/pp_1791.gif"},{"id":257479,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/pp/1791/","linkFileType":{"id":5,"text":"html"}}],"country":"United States;Canada","state":"Alaska;British Columbia;Washington;Yukon","otherGeospatial":"Novarupta Volcano;Mount Katmai","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -170,40 ], [ -170,75 ], [ -110,75 ], [ -110,40 ], [ -170,40 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba861e4b08c986b321bac","contributors":{"authors":[{"text":"Hildreth, Wes","contributorId":15996,"corporation":false,"usgs":true,"family":"Hildreth","given":"Wes","email":"","affiliations":[],"preferred":false,"id":464674,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fierstein, Judy","contributorId":88337,"corporation":false,"usgs":true,"family":"Fierstein","given":"Judy","email":"","affiliations":[],"preferred":false,"id":464675,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70038662,"text":"ofr20121125 - 2012 - A multi-year analysis of spillway survival for juvenile salmonids as a function of spill bay operations at McNary Dam, Washington and Oregon, 2004-09","interactions":[],"lastModifiedDate":"2012-06-13T01:01:48","indexId":"ofr20121125","displayToPublicDate":"2012-06-12T00:00:00","publicationYear":"2012","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":"2012-1125","title":"A multi-year analysis of spillway survival for juvenile salmonids as a function of spill bay operations at McNary Dam, Washington and Oregon, 2004-09","docAbstract":"We analyzed 6 years (2004-09) of passage and survival data collected at McNary Dam to examine how spill bay operations affect survival of juvenile salmonids passing through the spillway at McNary Dam. We also examined the relations between spill bay operations and survival through the juvenile fish bypass in an attempt to determine if survival through the bypass is influenced by spill bay operations. We used a Cormack-Jolly-Seber release-recapture model (CJS model) to determine how the survival of juvenile salmonids passing through McNary Dam relates to spill bay operations. Results of these analyses, while not designed to yield predictive models, can be used to help develop dam-operation strategies that optimize juvenile salmonid survival. For example, increasing total discharge typically had a positive effect on both spillway and bypass survival for all species except sockeye salmon (<i>Oncorhynchus nerka</i>). Likewise, an increase in spill bay discharge improved spillway survival for yearling Chinook salmon (<i>Oncorhynchus tshawytscha</i>), and an increase in spillway discharge positively affected spillway survival for juvenile steelhead (<i>Oncorhynchus mykiss</i>). The strong linear relation between increased spill and increased survival indicates that increasing the amount of water through the spillway is one strategy that could be used to improve spillway survival for yearling Chinook salmon and juvenile steelhead. However, increased spill did not improve spillway survival for subyearling Chinook salmon and sockeye salmon. Our results indicate that a uniform spill pattern would provide the highest spillway survival and bypass survival for subyearling Chinook salmon. Conversely, a predominantly south spill pattern provided the highest spillway survival for yearling Chinook salmon and juvenile steelhead. Although spill pattern was not a factor for spillway survival of sockeye salmon, spill bay operations that optimize passage through the north and south spill bays maximized spillway survival for this species. Bypass survival of yearling Chinook salmon could be improved by optimizing conditions to facilitate bypass passage at night, but the method to do so is not apparent from this analysis because photoperiod was the only factor affecting bypass survival based on the best and only supported model. Bypass survival of juvenile steelhead would benefit from lower water temperatures and increased total and spillway discharge. Likewise, subyearling Chinook salmon bypass survival would improve with lower water temperatures, increased total discharge, and a uniform spill pattern.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20121125","collaboration":"Prepared in cooperation with the U.S. Army Corps of Engineers","usgsCitation":"Adams, N.S., Hansel, H.C., Perry, R.W., and Evans, S.D., 2012, A multi-year analysis of spillway survival for juvenile salmonids as a function of spill bay operations at McNary Dam, Washington and Oregon, 2004-09: U.S. Geological Survey Open-File Report 2012-1125, vi, 51 p.; Appendices, https://doi.org/10.3133/ofr20121125.","productDescription":"vi, 51 p.; Appendices","temporalStart":"2004-01-01","temporalEnd":"2009-12-31","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":257473,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2012_1125.jpg"},{"id":257472,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2012/1125/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Oregon;Washington","otherGeospatial":"Mcnary Dam;Columbia River;Snake River","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -121,45.25 ], [ -121,48.25 ], [ -117.75,48.25 ], [ -117.75,45.25 ], [ -121,45.25 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e48ce4b0c8380cd466f2","contributors":{"authors":[{"text":"Adams, Noah S. 0000-0002-8354-0293 nadams@usgs.gov","orcid":"https://orcid.org/0000-0002-8354-0293","contributorId":3521,"corporation":false,"usgs":true,"family":"Adams","given":"Noah","email":"nadams@usgs.gov","middleInitial":"S.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":464635,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hansel, Hal C. 0000-0002-3537-8244 hhansel@usgs.gov","orcid":"https://orcid.org/0000-0002-3537-8244","contributorId":2887,"corporation":false,"usgs":true,"family":"Hansel","given":"Hal","email":"hhansel@usgs.gov","middleInitial":"C.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":464634,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Perry, Russell W. 0000-0003-4110-8619 rperry@usgs.gov","orcid":"https://orcid.org/0000-0003-4110-8619","contributorId":2820,"corporation":false,"usgs":true,"family":"Perry","given":"Russell","email":"rperry@usgs.gov","middleInitial":"W.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":464633,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Evans, Scott D. 0000-0003-0452-7726 sdevans@usgs.gov","orcid":"https://orcid.org/0000-0003-0452-7726","contributorId":4408,"corporation":false,"usgs":true,"family":"Evans","given":"Scott","email":"sdevans@usgs.gov","middleInitial":"D.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":464636,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70189961,"text":"70189961 - 2012 - Variation in soil carbon dioxide efflux at two spatial scales in a topographically complex boreal forest","interactions":[],"lastModifiedDate":"2018-01-30T21:09:29","indexId":"70189961","displayToPublicDate":"2012-06-12T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":899,"text":"Arctic, Antarctic, and Alpine Research","active":true,"publicationSubtype":{"id":10}},"title":"Variation in soil carbon dioxide efflux at two spatial scales in a topographically complex boreal forest","docAbstract":"<p><span>Carbon dynamics of high-latitude regions are an important and highly uncertain component of global carbon budgets, and efforts to constrain estimates of soil-atmosphere carbon exchange in these regions are contingent on accurate representations of spatial and temporal variability in carbon fluxes. This study explores spatial and temporal variability in soilatmosphere carbon dynamics at both fine and coarse spatial scales in a high-elevation, permafrost-dominated boreal black spruce forest. We evaluate the importance of landscape-level investigations of soil-atmosphere carbon dynamics by characterizing seasonal trends in soil-atmosphere carbon exchange, describing soil temperature-moisture-respiration relations, and quantifying temporal and spatial variability at two spatial scales: the plot scale (0–5 m) and the landscape scale (500–1000 m). Plot-scale spatial variability (average variation on a given measurement day) in soil CO</span><sub>2&nbsp;</sub><span>efflux ranged from a coefficient of variation (CV) of 0.25 to 0.69, and plot-scale temporal variability (average variation of plots across measurement days) in efflux ranged from a CV of 0.19 to 0.36. Landscape-scale spatial and temporal variability in efflux was represented by a CV of 0.40 and 0.31, respectively, indicating that plot-scale spatial variability in soil respiration is as great as landscape-scale spatial variability at this site. While soil respiration was related to soil temperature at both the plot- and landscape scale, landscape-level descriptions of soil moisture were necessary to define soil respiration-moisture relations. Soil moisture variability was also integral to explaining temporal variability in soil respiration. Our results have important implications for research efforts in high-latitude regions where remote study sites make landscape-scale field campaigns challenging.</span></p>","language":"English","publisher":"Institute of Arctic and Alpine Research","doi":"10.1657/1938-4246-44.4.457","usgsCitation":"Kelsey, K.C., Wickland, K.P., Striegl, R.G., and Neff, J.C., 2012, Variation in soil carbon dioxide efflux at two spatial scales in a topographically complex boreal forest: Arctic, Antarctic, and Alpine Research, v. 44, no. 4, p. 457-468, https://doi.org/10.1657/1938-4246-44.4.457.","productDescription":"12 p.","startPage":"457","endPage":"468","ipdsId":"IP-031026","costCenters":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"links":[{"id":474471,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://www.bioone.org/doi/10.1657/1938-4246-44.4.457","text":"External Repository"},{"id":344449,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"4","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2018-01-16","publicationStatus":"PW","scienceBaseUri":"5980419ee4b0a38ca2789383","contributors":{"authors":[{"text":"Kelsey, Katharine C.","contributorId":195397,"corporation":false,"usgs":false,"family":"Kelsey","given":"Katharine","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":706898,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wickland, Kimberly P. 0000-0002-6400-0590 kpwick@usgs.gov","orcid":"https://orcid.org/0000-0002-6400-0590","contributorId":1835,"corporation":false,"usgs":true,"family":"Wickland","given":"Kimberly","email":"kpwick@usgs.gov","middleInitial":"P.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true}],"preferred":true,"id":706899,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Striegl, Robert G. 0000-0002-8251-4659 rstriegl@usgs.gov","orcid":"https://orcid.org/0000-0002-8251-4659","contributorId":1630,"corporation":false,"usgs":true,"family":"Striegl","given":"Robert","email":"rstriegl@usgs.gov","middleInitial":"G.","affiliations":[{"id":36183,"text":"Hydro-Ecological Interactions Branch","active":true,"usgs":true},{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":false,"id":706900,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Neff, Jason C.","contributorId":169417,"corporation":false,"usgs":false,"family":"Neff","given":"Jason","email":"","middleInitial":"C.","affiliations":[{"id":25504,"text":"Univ. of Colorado, Coulder, CO","active":true,"usgs":false}],"preferred":false,"id":706901,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70154828,"text":"70154828 - 2012 - Trends in fishery agency assessments of black bass tournaments in the southeastern United States","interactions":[],"lastModifiedDate":"2017-05-08T13:42:18","indexId":"70154828","displayToPublicDate":"2012-06-12T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Trends in fishery agency assessments of black bass tournaments in the southeastern United States","docAbstract":"<p><span>Studies conducted during the last 30 years have identified benefits and adverse impacts and have documented increased frequency of fishing tournaments. This study used information provided by state fisheries management agency administrators to measure the frequency of black bass (Micropterus spp.) tournaments in southeastern states and assessed how reported changes in tournament frequency have impacted fisheries management. The average annual number of black bass tournaments reported by 14 southeastern states for 2009-2011 was 41,939, which was a 124% increase from the average annual number of tournaments for all freshwater species reported by southeastern states for 2002-2004. Despite this considerable increase, agencies reported that tournaments were generally beneficial. The highest ranking benefit factors (developed from factor analysis of 21 potential benefits) were unchanged from the same survey administered in 2005 and included the benefits of promotion of fishing, specific fisheries, and agency programs. Similarly, the highest ranking adverse-impact factors developed from 29 potential problems (resource overuse and user-group conflicts) were also consistent with the 2005 survey. Black bass tournaments offer benefits to fisheries management that could be better realized. The persistence and consistently high impact ratings of resource overuse and user-group conflicts along with generally low incidence of monitoring tournaments suggests that the negative impacts have become part of contemporary recreational fishing and are not problems that require management solutions.</span></p>","conferenceTitle":"Annual Conference of the Southeastern Association of Fish and Wildlife Agencies","conferenceDate":"October 7-10, 2012","conferenceLocation":"Hot Springs, AR","language":"English","publisher":"Southeastern Association of Fish and Wildlife Agencies","usgsCitation":"Driscoll, M.T., Hunt, K.M., and Schramm, H., 2012, Trends in fishery agency assessments of black bass tournaments in the southeastern United States, Annual Conference of the Southeastern Association of Fish and Wildlife Agencies, v. 66, Hot Springs, AR, October 7-10, 2012, p. 25-32.","productDescription":"8 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Todd","contributorId":191854,"corporation":false,"usgs":false,"family":"Driscoll","given":"M.","email":"","middleInitial":"Todd","affiliations":[],"preferred":false,"id":694503,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hunt, Kevin M.","contributorId":191855,"corporation":false,"usgs":false,"family":"Hunt","given":"Kevin","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":694504,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schramm, Harold Jr. hschramm@usgs.gov","contributorId":145495,"corporation":false,"usgs":true,"family":"Schramm","given":"Harold","suffix":"Jr.","email":"hschramm@usgs.gov","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":false,"id":564242,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70176228,"text":"70176228 - 2012 - Organic geochemistry and petrology of subsurface Paleocene-Eocene Wilcox and Claiborne Group coal beds, Zavala County, Maverick Basin, Texas, USA","interactions":[],"lastModifiedDate":"2018-02-01T12:31:31","indexId":"70176228","displayToPublicDate":"2012-06-12T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2958,"text":"Organic Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"Organic geochemistry and petrology of subsurface Paleocene-Eocene Wilcox and Claiborne Group coal beds, Zavala County, Maverick Basin, Texas, USA","docAbstract":"<p><span>Coal samples from a coalbed methane exploration well in northern Zavala County, Maverick Basin, Texas, were characterized through an integrated analytical program. The well was drilled in February, 2006 and shut in after coal core desorption indicated negligible gas content. Cuttings samples from two levels in the Eocene Claiborne Group were evaluated by way of petrographic techniques and Rock–Eval pyrolysis. Core samples from the Paleocene–Eocene Indio Formation (Wilcox Group) were characterized via proximate–ultimate analysis in addition to petrography and pyrolysis. Two Indio Formation coal samples were selected for detailed evaluation via gas chromatography, and Fourier transform infrared (FTIR) and </span><sup>13</sup><span>C CPMAS NMR spectroscopy. Samples are subbituminous rank as determined from multiple thermal maturity parameters. Elevated rank (relative to similar age coal beds elsewhere in the Gulf Coast Basin) in the study area is interpreted to be a result of stratigraphic and/or structural thickening related to Laramide compression and construction of the Sierra Madre Oriental to the southwest. Vitrinite reflectance data, along with extant data, suggest the presence of an erosional unconformity or change in regional heat flow between the Cretaceous and Tertiary sections and erosion of up to &gt;5&nbsp;km over the Cretaceous. The presence of liptinite-rich coals in the Claiborne at the well site may indicate moderately persistent or recurring coal-forming paleoenvironments, interpreted as perennially submerged peat in shallow ephemeral lakes with herbaceous and/or flotant vegetation. However, significant continuity of individual Eocene coal beds in the subsurface is not suggested. Indio Formation coal samples contain abundant telovitrinite interpreted to be preserved from arborescent, above-ground woody vegetation that developed during the middle portion of mire development in forested swamps. Other petrographic criteria suggest enhanced biological, chemical and physical degradation at the beginning and end of Indio mire development. Fluorescence spectra of sporinite and resinite are consistent and distinctly different from each other, attributed to the presence of a greater proportion of complex asphaltene and polar molecules in resinite. Gas chromatography of resinite-rich coal shows sesquiterpenoid and diterpenoid peaks in the C</span><sub>14–17</sub><span> range, which are not present in resinite-poor coal. Quantities of extracts suggest bitumen concentration below the threshold for effective source rocks [30–50&nbsp;mg hydrocarbon/g total organic carbon (HC/g TOC)]. Saturate/aromatic and pristane/phytane (Pr/Ph) ratios are different from values for nearby Tertiary-reservoired crude oil, suggesting that the Indio coals are too immature to source liquid hydrocarbons in the area. However, moderately high HI values (200–400&nbsp;mg HC/g rock) may suggest some potential for naphthenic–paraffinic oil generation where buried more deeply down stratigraphic/structural dip. Extractable phenols and C</span><sub>20+</sub><span> alkanes are suggested as possible intermediates for acetate fermentation in microbial methanogenesis which may, however, be limited by poor nutrient supply related to low rainfall and meteoric recharge rate or high local sulfate concentration.</span></p>","language":"English","publisher":"International Association of Geochemistry and Cosmochemistry","publisherLocation":"Amsterdam","doi":"10.1016/j.orggeochem.2012.02.008","usgsCitation":"Hackley, P.C., Warwick, P.D., Hook, R.W., Alimi, H., Mastalerz, M., and Swanson, S.M., 2012, Organic geochemistry and petrology of subsurface Paleocene-Eocene Wilcox and Claiborne Group coal beds, Zavala County, Maverick Basin, Texas, USA: Organic Geochemistry, v. 46, p. 137-153, https://doi.org/10.1016/j.orggeochem.2012.02.008.","startPage":"137","endPage":"153","numberOfPages":"17","ipdsId":"IP-028083","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":328217,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Texas","county":"Zavala County","otherGeospatial":"Maverick Basin","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-99.4107,29.087],[-99.4009,28.6417],[-100.1118,28.6383],[-100.112,28.743],[-100.1119,29.0844],[-99.6813,29.0872],[-99.4107,29.087]]]},\"properties\":{\"name\":\"Zavala\",\"state\":\"TX\"}}]}","volume":"46","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57caa2abe4b0f2f0cec2049e","contributors":{"authors":[{"text":"Hackley, Paul C. 0000-0002-5957-2551 phackley@usgs.gov","orcid":"https://orcid.org/0000-0002-5957-2551","contributorId":592,"corporation":false,"usgs":true,"family":"Hackley","given":"Paul","email":"phackley@usgs.gov","middleInitial":"C.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":647915,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Warwick, Peter D. 0000-0002-3152-7783 pwarwick@usgs.gov","orcid":"https://orcid.org/0000-0002-3152-7783","contributorId":762,"corporation":false,"usgs":true,"family":"Warwick","given":"Peter","email":"pwarwick@usgs.gov","middleInitial":"D.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":647916,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hook, Robert W.","contributorId":26006,"corporation":false,"usgs":true,"family":"Hook","given":"Robert","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":647927,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Alimi, Hossein","contributorId":74279,"corporation":false,"usgs":true,"family":"Alimi","given":"Hossein","email":"","affiliations":[],"preferred":false,"id":647928,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Mastalerz, Maria","contributorId":105788,"corporation":false,"usgs":false,"family":"Mastalerz","given":"Maria","affiliations":[{"id":17608,"text":"Indiana Univesity","active":true,"usgs":false}],"preferred":false,"id":647929,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Swanson, Sharon M. 0000-0002-4235-1736 smswanson@usgs.gov","orcid":"https://orcid.org/0000-0002-4235-1736","contributorId":590,"corporation":false,"usgs":true,"family":"Swanson","given":"Sharon","email":"smswanson@usgs.gov","middleInitial":"M.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":647930,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70038661,"text":"sir20115219 - 2012 - Airborne electromagnetic mapping of the base of aquifer in areas of western Nebraska","interactions":[],"lastModifiedDate":"2012-06-12T01:01:50","indexId":"sir20115219","displayToPublicDate":"2012-06-11T00:00:00","publicationYear":"2012","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":"2011-5219","title":"Airborne electromagnetic mapping of the base of aquifer in areas of western Nebraska","docAbstract":"Airborne geophysical surveys of selected areas of the North and South Platte River valleys of Nebraska, including Lodgepole Creek valley, collected data to map aquifers and bedrock topography and thus improve the understanding of groundwater - surface-water relationships to be used in water-management decisions. Frequency-domain helicopter electromagnetic surveys, using a unique survey flight-line design, collected resistivity data that can be related to lithologic information for refinement of groundwater model inputs. To make the geophysical data useful to multidimensional groundwater models, numerical inversion converted measured data into a depth-dependent subsurface resistivity model. The inverted resistivity model, along with sensitivity analyses and test-hole information, is used to identify hydrogeologic features such as bedrock highs and paleochannels, to improve estimates of groundwater storage. The two- and three-dimensional interpretations provide the groundwater modeler with a high-resolution hydrogeologic framework and a quantitative estimate of framework uncertainty. The new hydrogeologic frameworks improve understanding of the flow-path orientation by refining the location of paleochannels and associated base of aquifer highs. These interpretations provide resource managers high-resolution hydrogeologic frameworks and quantitative estimates of framework uncertainty. The improved base of aquifer configuration represents the hydrogeology at a level of detail not achievable with previously available data.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20115219","collaboration":"Prepared in cooperation with the North Platte Natural Resources District, the South Platte Natural Resources District, and the Nebraska Environmental Trust","usgsCitation":"Abraham, J., Cannia, J.C., Bedrosian, P.A., Johnson, M., Ball, L.B., and Sibray, S.S., 2012, Airborne electromagnetic mapping of the base of aquifer in areas of western Nebraska: U.S. Geological Survey Scientific Investigations Report 2011-5219, v, 30 p.; Appendices, https://doi.org/10.3133/sir20115219.","productDescription":"v, 30 p.; Appendices","onlineOnly":"Y","costCenters":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":257471,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2011_5219.gif"},{"id":257464,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2011/5219/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Nebraska","otherGeospatial":"Platte River;Lodgepole Creek","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -104.5,39.5 ], [ -104.5,44 ], [ -95,44 ], [ -95,39.5 ], [ -104.5,39.5 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e920e4b0c8380cd480f1","contributors":{"authors":[{"text":"Abraham, Jared D.","contributorId":42630,"corporation":false,"usgs":true,"family":"Abraham","given":"Jared D.","affiliations":[],"preferred":false,"id":464630,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cannia, James C.","contributorId":94356,"corporation":false,"usgs":true,"family":"Cannia","given":"James","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":464632,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bedrosian, Paul A. 0000-0002-6786-1038 pbedrosian@usgs.gov","orcid":"https://orcid.org/0000-0002-6786-1038","contributorId":839,"corporation":false,"usgs":true,"family":"Bedrosian","given":"Paul","email":"pbedrosian@usgs.gov","middleInitial":"A.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true},{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":464627,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Johnson, Michaela R. 0000-0001-6133-0247 mrjohns@usgs.gov","orcid":"https://orcid.org/0000-0001-6133-0247","contributorId":1013,"corporation":false,"usgs":true,"family":"Johnson","given":"Michaela R.","email":"mrjohns@usgs.gov","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true},{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":464628,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ball, Lyndsay B. 0000-0002-6356-4693 lbball@usgs.gov","orcid":"https://orcid.org/0000-0002-6356-4693","contributorId":1138,"corporation":false,"usgs":true,"family":"Ball","given":"Lyndsay","email":"lbball@usgs.gov","middleInitial":"B.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":464629,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Sibray, Steven S.","contributorId":88589,"corporation":false,"usgs":true,"family":"Sibray","given":"Steven","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":464631,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70038660,"text":"fs20123046 - 2012 - Assessment of undiscovered conventional oil and gas resources of South America and the Caribbean, 2012","interactions":[],"lastModifiedDate":"2012-06-12T01:01:50","indexId":"fs20123046","displayToPublicDate":"2012-06-11T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2012-3046","title":"Assessment of undiscovered conventional oil and gas resources of South America and the Caribbean, 2012","docAbstract":"Using a geology-based assessment methodology, the U.S. Geological Survey estimated means of 126 billion barrels of oil and 679 trillion cubic feet of undiscovered natural gas in 31 geologic provinces of South America and the Caribbean.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20123046","collaboration":"World Petroleum Resources Project","usgsCitation":"Schenk, C.J., Brownfield, M.E., Charpentier, R., Cook, T.A., Klett, T., Kirschbaum, M.A., Pitman, J.K., Pollastro, R.M., and Tennyson, M., 2012, Assessment of undiscovered conventional oil and gas resources of South America and the Caribbean, 2012: U.S. Geological Survey Fact Sheet 2012-3046, 3 p., https://doi.org/10.3133/fs20123046.","productDescription":"3 p.","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":257470,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2012_3046.gif"},{"id":257462,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/2012/3046/","linkFileType":{"id":5,"text":"html"}}],"otherGeospatial":"South America;Caribbean","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ 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mbrownfield@usgs.gov","orcid":"https://orcid.org/0000-0003-3633-1138","contributorId":1548,"corporation":false,"usgs":true,"family":"Brownfield","given":"Michael","email":"mbrownfield@usgs.gov","middleInitial":"E.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":464623,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Charpentier, Ronald R. charpentier@usgs.gov","contributorId":934,"corporation":false,"usgs":true,"family":"Charpentier","given":"Ronald R.","email":"charpentier@usgs.gov","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":464621,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cook, Troy A.","contributorId":52519,"corporation":false,"usgs":true,"family":"Cook","given":"Troy","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":464626,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Klett, Timothy R. 0000-0001-9779-1168 tklett@usgs.gov","orcid":"https://orcid.org/0000-0001-9779-1168","contributorId":709,"corporation":false,"usgs":true,"family":"Klett","given":"Timothy R.","email":"tklett@usgs.gov","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":464618,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kirschbaum, Mark A.","contributorId":25112,"corporation":false,"usgs":true,"family":"Kirschbaum","given":"Mark","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":464625,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Pitman, Janet K. 0000-0002-0441-779X jpitman@usgs.gov","orcid":"https://orcid.org/0000-0002-0441-779X","contributorId":767,"corporation":false,"usgs":true,"family":"Pitman","given":"Janet","email":"jpitman@usgs.gov","middleInitial":"K.","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":464619,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Pollastro, Richard M.","contributorId":25100,"corporation":false,"usgs":true,"family":"Pollastro","given":"Richard","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":464624,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Tennyson, Marilyn E. 0000-0002-5166-2421 tennyson@usgs.gov","orcid":"https://orcid.org/0000-0002-5166-2421","contributorId":1433,"corporation":false,"usgs":true,"family":"Tennyson","given":"Marilyn 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