Geomagnetic referencing uses the Earth’s magnetic field to determine accurate wellbore positioning essential for success in today's complex drilling programs, either as an alternative or a complement to north-seeking gyroscopic referencing. However, fluctuations in the geomagnetic field, especially at high latitudes, make the application of geomagnetic referencing in those areas more challenging. Precise crustal mapping and the monitoring of real-time variations by nearby magnetic observatories is crucial to achieving the required geomagnetic referencing accuracy. The Deadhorse Magnetic Observatory (DED), located at Prudhoe Bay, Alaska, has already played a vital role in the success of several commercial ventures in the area, providing essential, accurate, real-time data to the oilfield drilling industry. Geomagnetic referencing is enhanced with real-time data from DED and other observatories, and has been successfully used for accurate wellbore positioning. The availability of real-time geomagnetic measurements leads to significant cost and time savings in wellbore surveying, improving accuracy and alleviating the need for more expensive surveying techniques. The correct implementation of geomagnetic referencing is particularly critical as we approach the increased activity associated with the upcoming maximum of the 11-year solar cycle. The DED observatory further provides an important service to scientific communities engaged in studies of ionospheric, magnetospheric and space weather phenomena.
","conferenceTitle":"SPE Arctic and Extreme Environments Technical Conference and Exhibition","conferenceDate":"October 15, 2015","conferenceLocation":"Moscow, Russia","language":"English","publisher":"Society of Petroleum Engineers","doi":"10.2118/166850-MS","usgsCitation":"Poedjono, B., Beck, N., Buchanan, A.C., Borri, L., Maus, S., Finn, C., Worthington, E.W., and White, T., 2016, Improved geomagnetic referencing in the Arctic environment, SPE Arctic and Extreme Environments Technical Conference and Exhibition, Moscow, Russia, October 15, 2015, 21 p., https://doi.org/10.2118/166850-MS.","productDescription":"21 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-049377","costCenters":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"links":[{"id":314916,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2013-10-15","publicationStatus":"PW","scienceBaseUri":"56a9f847e4b012c193aa3ed0","contributors":{"authors":[{"text":"Poedjono, B.","contributorId":56465,"corporation":false,"usgs":true,"family":"Poedjono","given":"B.","affiliations":[],"preferred":false,"id":589850,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Beck, N.","contributorId":18995,"corporation":false,"usgs":true,"family":"Beck","given":"N.","email":"","affiliations":[],"preferred":false,"id":589849,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Buchanan, A. C.","contributorId":11027,"corporation":false,"usgs":true,"family":"Buchanan","given":"A.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":589848,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Borri, L.","contributorId":152590,"corporation":false,"usgs":false,"family":"Borri","given":"L.","email":"","affiliations":[{"id":18940,"text":"SPE, Eni Petroleum Co.","active":true,"usgs":false}],"preferred":false,"id":589847,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Maus, S.","contributorId":104315,"corporation":false,"usgs":true,"family":"Maus","given":"S.","email":"","affiliations":[],"preferred":false,"id":589846,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Finn, Carol 0000-0003-3144-1645","orcid":"https://orcid.org/0000-0003-3144-1645","contributorId":13201,"corporation":false,"usgs":true,"family":"Finn","given":"Carol","affiliations":[],"preferred":false,"id":589845,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Worthington, E. William 0000-0002-5879-0477 bworth@usgs.gov","orcid":"https://orcid.org/0000-0002-5879-0477","contributorId":2570,"corporation":false,"usgs":true,"family":"Worthington","given":"E.","email":"bworth@usgs.gov","middleInitial":"William","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":false,"id":589843,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"White, Tim 0000-0002-3563-0649 ttwhite@usgs.gov","orcid":"https://orcid.org/0000-0002-3563-0649","contributorId":2010,"corporation":false,"usgs":true,"family":"White","given":"Tim","email":"ttwhite@usgs.gov","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":589844,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70197314,"text":"70197314 - 2016 - Ecological resilience","interactions":[],"lastModifiedDate":"2018-06-12T11:48:02","indexId":"70197314","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Ecological resilience","docAbstract":"Resilience is the capacity of complex systems of people and nature to withstand disturbance without shifting into an alternate regime, or a different type of system organized around different processes and structures (Holling, 1973). Resilience theory was developed to explain the non-linear dynamics of complex adaptive systems, like social-ecological systems (SES) (Walker & Salt, 2006). It is often apparent when the resilience of a SES has been exceeded as the system discernibly changes, such as when a thriving city shifts into a poverty trap, but it is difficult to predict when that shift might occur because of the non-linear dynamics of complex systems.
Ecological resilience should not be confused with engineering resilience (Angeler & Allen, 2016), which emphasizes the ability of a SES to perform a specific task consistently and predictably, and to re-establish performance quickly should a disturbance occur. Engineering resilience assumes that complex systems are characterized by a single equilibrium state, and this assumption is not appropriate for complex adaptive systems such as SES. In the risk governance context this means that compounded perturbations derived from hazards or global change can have unexpected and highly uncertain effects on natural resources, humans and societies. These effects can manifest in regime shifts, potentially spurring environmental degradation that might lock SES in an undesirable system state that can be difficult to reverse, and as a consequence economic crises, conflict, human health problems.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"IRGC resource guide on resilience","language":"English","publisher":"International Risk Governance Center (IRGC)","doi":"10.5075/epfl-irgc-228206","usgsCitation":"Allen, C.R., Garmestiani, A.S., Sundstrom, S., and Angeler, D.G., 2016, Ecological resilience, chap. of IRGC resource guide on resilience, p. 19-22, https://doi.org/10.5075/epfl-irgc-228206.","productDescription":"4 p.","startPage":"19","endPage":"22","ipdsId":"IP-079239","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":354944,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5b46e8e9e4b060350a15d33b","contributors":{"authors":[{"text":"Allen, Craig R. 0000-0001-8655-8272 allencr@usgs.gov","orcid":"https://orcid.org/0000-0001-8655-8272","contributorId":1979,"corporation":false,"usgs":true,"family":"Allen","given":"Craig","email":"allencr@usgs.gov","middleInitial":"R.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true},{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":736620,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Garmestiani, Ahjond S.","contributorId":205238,"corporation":false,"usgs":false,"family":"Garmestiani","given":"Ahjond","email":"","middleInitial":"S.","affiliations":[{"id":37063,"text":"U.S. Environmental Protection Agency, Cincinnati, OH","active":true,"usgs":false}],"preferred":false,"id":736621,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sundstrom, Shana","contributorId":205239,"corporation":false,"usgs":false,"family":"Sundstrom","given":"Shana","affiliations":[{"id":37064,"text":"University of Nebraska, Lincoln, NE","active":true,"usgs":false}],"preferred":false,"id":736622,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Angeler, David G.","contributorId":205240,"corporation":false,"usgs":false,"family":"Angeler","given":"David","email":"","middleInitial":"G.","affiliations":[{"id":37065,"text":"Swedish University of Agricultural Sciences, Uppsala, Sweden","active":true,"usgs":false}],"preferred":false,"id":736623,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70164495,"text":"70164495 - 2016 - Functional integrity of freshwater forested wetlands, hydrologic alteration, and climate change","interactions":[],"lastModifiedDate":"2016-07-17T23:23:36","indexId":"70164495","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5075,"text":"Ecosystem Health and Sustainability","active":true,"publicationSubtype":{"id":10}},"title":"Functional integrity of freshwater forested wetlands, hydrologic alteration, and climate change","docAbstract":"Climate change will challenge managers to balance the freshwater needs of humans and wetlands. The Intergovernmental Panel on Climate Change predicts that most regions of the world will be exposed to higher temperatures, CO2, and more erratic precipitation, with some regions likely to have alternating episodes of intense flooding and mega-drought. Coastal areas will be exposed to more frequent saltwater inundation as sea levels rise. Local land managers desperately need intra-regional climate information for site-specific planning, management, and restoration activities. Managers will be challenged to deliver freshwater to floodplains during climate change-induced drought, particularly within hydrologically altered and developed landscapes. Assessment of forest health, both by field and remote sensing techniques, will be essential to signal the need for hydrologic remediation. Studies of the utility of the release of freshwater to remediate stressed forested floodplains along the Murray and Mississippi Rivers suggest that brief episodes of freshwater remediation for trees can have positive health benefits for these forests. The challenges of climate change in forests of the developing world will be considered using the Tonle Sap of Cambodia as an example. With little ecological knowledge of the impacts, managing climate change will add to environmental problems already faced in the developing world with new river engineering projects. These emerging approaches to remediate stressed trees will be of utmost importance for managing worldwide floodplain forests with predicted climate changes.
\n","language":"English","publisher":"Ecological Society of America","publisherLocation":"Washington, DC","doi":"10.1002/ehs2.1200","usgsCitation":"Middleton, B.A., and Souter, N.J., 2016, Functional integrity of freshwater forested wetlands, hydrologic alteration, and climate change: Ecosystem Health and Sustainability, v. 2, no. 1, p. 1-18, https://doi.org/10.1002/ehs2.1200.","productDescription":"19 p.","startPage":"1","endPage":"18","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-067130","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":471379,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ehs2.1200","text":"Publisher Index Page"},{"id":316754,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2","issue":"1","publishingServiceCenter":{"id":5,"text":"Lafayette PSC"},"noUsgsAuthors":false,"publicationDate":"2017-06-19","publicationStatus":"PW","scienceBaseUri":"56bb1bc3e4b08d617f654e06","contributors":{"authors":[{"text":"Middleton, Beth A. 0000-0002-1220-2326 middletonb@usgs.gov","orcid":"https://orcid.org/0000-0002-1220-2326","contributorId":2029,"corporation":false,"usgs":true,"family":"Middleton","given":"Beth","email":"middletonb@usgs.gov","middleInitial":"A.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":597615,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Souter, Nicholas J.","contributorId":156360,"corporation":false,"usgs":false,"family":"Souter","given":"Nicholas","email":"","middleInitial":"J.","affiliations":[{"id":20325,"text":"Fauna & Flora International, Cambodia Programme, Phnom Penh, 12000, Cambodia, 5001 Australia","active":true,"usgs":false}],"preferred":false,"id":597616,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70168561,"text":"70168561 - 2016 - Analysis and interpretation of stress indicators in deviated wells of the Coso Geothermal Field","interactions":[],"lastModifiedDate":"2017-04-25T10:40:49","indexId":"70168561","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Analysis and interpretation of stress indicators in deviated wells of the Coso Geothermal Field","docAbstract":"
Characterizing the tectonic stress field is an integral part of the development of hydrothermal systems and especially for enhanced geothermal systems (EGS). With a well characterized stress field the propensity of fault slip on faults with known location and orientation can be identified. Faults that are critically oriented for faulting with respect to the stress field are known to provide natural fluid pathways. A high slip tendency makes a fault a likely candidate for reactivation during the creation of an EGS. Similarly, the stress state provides insight for the potential of larger, damaging earthquakes should extensive portions of well-oriented, larger faults be reactivated.
The analysis of stress indicators such as drilling-induced fractures and borehole breakouts is the main tool to infer information on the stress state of a geothermal reservoir. The standard procedure is applicable to sub-vertical wellbore sections and highly deviated sections have to be discarded. However, in order to save costs and reduce the environmental impact most recent wells are directionally drilled with deviations that require appropriate consideration of the deviated trajectory. Here we present an analysis scheme applicable to arbitrary well trajectories or a combination of wells to infer the stress state. Through the sampling of the stress tensor along several directions additional information on the stress regime and even relative stress magnitudes can be obtained.
We apply this method on image logs from the pair of wells 58-10 and 58A-10 that were drilled from the same well pad. Both wells have image logs of about 2km of their trajectories that are separated by less than 300m. For both wells we obtain a mean orientation of SHmax of N23° with large standard deviations of locations of stress indicators of 24° and 26°, respectively. While the local stress direction is highly variable along both wells with dominant wavelengths from around 50 to 500m, the mean directions are very consistent and also agree with previous stress estimates in the eastern part of the Coso Geothermal Field. In order to obtain a reliable estimation of the stress orientation in this setting, it is necessary to sample the stress field on an interval long to capture several of the dominant wavelengths.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the 41st workshop on geothermal reservoir engineering","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"41st Workshop on Geothermal Reservoir Engineering","conferenceDate":"February 22-24, 2016","conferenceLocation":"Stanford, CA","language":"English","publisher":"Stanford Geothermal Program","publisherLocation":"Stanford, CA","isbn":"9781510824331","usgsCitation":"Schoenball, M., Glen, J.M., and Davatzes, N.C., 2016, Analysis and interpretation of stress indicators in deviated wells of the Coso Geothermal Field, in Proceedings of the 41st workshop on geothermal reservoir engineering, Stanford, CA, February 22-24, 2016, p. 1169-1180.","productDescription":"12 p.","startPage":"1169","endPage":"1180","ipdsId":"IP-072986","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":340128,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pangea.stanford.edu/ERE/db/IGAstandard/record_detail.php?id=26520"},{"id":340129,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Coso Geothermal Field","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58ff0e9fe4b006455f2d61c8","contributors":{"authors":[{"text":"Schoenball, Martin mschoenball@usgs.gov","contributorId":5760,"corporation":false,"usgs":true,"family":"Schoenball","given":"Martin","email":"mschoenball@usgs.gov","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":620913,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Glen, Jonathan M. G. jglen@usgs.gov","contributorId":1753,"corporation":false,"usgs":true,"family":"Glen","given":"Jonathan","email":"jglen@usgs.gov","middleInitial":"M. G.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":620914,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Davatzes, Nicholas C.","contributorId":138855,"corporation":false,"usgs":false,"family":"Davatzes","given":"Nicholas","email":"","middleInitial":"C.","affiliations":[{"id":12547,"text":"Temple University","active":true,"usgs":false}],"preferred":false,"id":620915,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70168522,"text":"70168522 - 2016 - Sources of subsidence at the Salton Sea Geothermal Field","interactions":[],"lastModifiedDate":"2017-04-25T10:40:23","indexId":"70168522","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Sources of subsidence at the Salton Sea Geothermal Field","docAbstract":"At the Salton Sea Geothermal Field (SSGF) in Southern California, surface deformation associated with geologic processes including sediment compaction, tectonic strain, and fault slip may be augmented by energy production activities. Separating the relative contributions from natural and anthropogenic sources is especially important at the SSGF, which sits at the apex of a complex tectonic transition zone connecting the southern San Andreas Fault with the Imperial Fault; but this has been a challenging task so far. Here we analyze vertical surface velocities obtained from the persistent scatterer InSAR method and find that two of the largest subsidence anomalies can be represented by a set of volumetric strain nuclei at depths comparable to geothermal well completion zones. In contrast, the rates needed to achieve an adequate fit to the magnitudes of subsidence are almost an order of magnitude greater than rates reported for annual changes in aggregate net-production volume, suggesting that the physical mechanism responsible for subsidence at the SSGF is a complicated interplay between natural and anthropogenic sources.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the 41st workshop on geothermal reservoir engineering","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"41st Workshop on Geothermal Reservoir Engineering","conferenceDate":"February 22-24, 2016","conferenceLocation":"Stanford, CA","language":"English","publisher":"Stanford Geothermal Program","publisherLocation":"Stanford, CA","isbn":"9781510824331","usgsCitation":"Barbour, A., Evans, E., Hickman, S.H., and Eneva, M., 2016, Sources of subsidence at the Salton Sea Geothermal Field, in Proceedings of the 41st workshop on geothermal reservoir engineering, Stanford, CA, February 22-24, 2016, p. 1453-1464.","productDescription":"12 p.","startPage":"1453","endPage":"1464","ipdsId":"IP-072393","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":340131,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":340130,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pangea.stanford.edu/ERE/db/IGAstandard/record_detail.php?id=26381"}],"country":"United States","state":"California","otherGeospatial":"Salton Sea Geothermal Field","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58ff0e9fe4b006455f2d61ca","contributors":{"authors":[{"text":"Barbour, Andrew J. 0000-0002-6890-2452 abarbour@usgs.gov","orcid":"https://orcid.org/0000-0002-6890-2452","contributorId":140443,"corporation":false,"usgs":true,"family":"Barbour","given":"Andrew J.","email":"abarbour@usgs.gov","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":false,"id":620780,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Evans, Eileen 0000-0002-7290-5269 eevans@usgs.gov","orcid":"https://orcid.org/0000-0002-7290-5269","contributorId":167021,"corporation":false,"usgs":true,"family":"Evans","given":"Eileen","email":"eevans@usgs.gov","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":620781,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hickman, Stephen H. 0000-0003-2075-9615 hickman@usgs.gov","orcid":"https://orcid.org/0000-0003-2075-9615","contributorId":2705,"corporation":false,"usgs":true,"family":"Hickman","given":"Stephen","email":"hickman@usgs.gov","middleInitial":"H.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":620782,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Eneva, Mariana","contributorId":167022,"corporation":false,"usgs":false,"family":"Eneva","given":"Mariana","email":"","affiliations":[{"id":24596,"text":"Imageair Inc.","active":true,"usgs":false}],"preferred":false,"id":620783,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70164494,"text":"70164494 - 2016 - Water data to answer urgent water policy questions: Monitoring design, available data, and filling data gaps for determining whether shale gas development activities contaminate surface water or groundwater in the Susquehanna River Basin","interactions":[],"lastModifiedDate":"2019-11-13T15:28:59","indexId":"70164494","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"Water data to answer urgent water policy questions: Monitoring design, available data, and filling data gaps for determining whether shale gas development activities contaminate surface water or groundwater in the Susquehanna River Basin","docAbstract":"Throughout its history, the United States has made major investments in assessing natural resources, such as soils, timber, oil and gas, and water. These investments allow policy makers, the private sector and the American public to make informed decisions about cultivating, harvesting or conserving these resources to maximize their value for public welfare, environmental conservation and the economy. As policy issues evolve, new priorities and challenges arise for natural resource assessment, and new approaches to monitoring are needed. For example, new technologies for oil and gas development or alternative energy sources may present new risks for water resources both above and below ground. There is a need to evaluate whether today’s water monitoring programs are generating the information needed to answer questions surrounding these new policy priorities.
The Northeast-Midwest Institute (NEMWI), in cooperation with the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Program, initiated this project to explore the types and amounts of water data needed to address water-quality related policy questions of critical concern to today’s policy makers and whether those data are currently available. The collaborating entities identified two urgent water policy questions and conducted case studies in the Northeast-Midwest region to determine the water data needed, water data available, and the best ways to fill the data gaps relative to those questions. This report details the output from one case study and focuses on the Susquehanna River Basin, a data-rich area expected to be a best-case scenario in terms of water data availability.
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This paper provides a brief overview of two candidate methods that may be used to characterize the uncertainty of ratings, and illustrates the results of their application to the ratings of the two USGS streamgages.
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This is thought to be true for cranes that breed in such latitudes including the Whooping Crane (Grus americana). For this reason, the captive breeding centers use artificial light to lengthen daylight hours, but no study has been done to look at the effect of such lighting on the reproductive season. We examined the past light cycles and breeding season results from Whooping Crane pairs at USGS Patuxent Wildlife Research Center and the International Crane Foundation. At Patuxent two lights were used to produce light of 170 lux in the pens. On average, photoperiod lights were turned on Feb. 17 (range Feb. 11-24). With two lights per pen, whooping cranes laid their first egg on average 10 days earlier than when one light was used and 16 days earlier than when no lights were used. At ICF the difference between lights on a pen and no lights was only 8 days difference in first lay dates, but still this was statistically significant.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the North American Crane Workshop","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"North American Crane Workshop","conferenceDate":"April 14-17, 2014","conferenceLocation":"Lafayette, LA","language":"English","publisher":"North American Crane Working Group","usgsCitation":"Olsen, G.H., 2016, Photoperiod and nesting phenology of whooping cranes at two captive sites, in Proceedings of the North American Crane Workshop, Lafayette, LA, April 14-17, 2014, p. 98-102.","productDescription":"5 p.","startPage":"98","endPage":"102","ipdsId":"IP-085009","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":355533,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":355532,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.nacwg.org/proceedings13.html","linkFileType":{"id":5,"text":"html"}}],"publishingServiceCenter":{"id":10,"text":"Baltimore PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5b46e8e9e4b060350a15d339","contributors":{"authors":[{"text":"Olsen, Glenn H. 0000-0002-7188-6203 golsen@usgs.gov","orcid":"https://orcid.org/0000-0002-7188-6203","contributorId":40918,"corporation":false,"usgs":true,"family":"Olsen","given":"Glenn","email":"golsen@usgs.gov","middleInitial":"H.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":739553,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70186275,"text":"70186275 - 2016 - In-air hearing of a diving duck: A comparison of psychoacoustic and auditory brainstem response thresholds","interactions":[],"lastModifiedDate":"2017-04-03T13:55:00","indexId":"70186275","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2516,"text":"Journal of the Acoustical Society of America","active":true,"publicationSubtype":{"id":10}},"title":"In-air hearing of a diving duck: A comparison of psychoacoustic and auditory brainstem response thresholds","docAbstract":"Auditory sensitivity was measured in a species of diving duck that is not often kept in captivity, the lesser scaup. Behavioral (psychoacoustics) and electrophysiological [the auditory brainstem response (ABR)] methods were used to measure in-air auditory sensitivity, and the resulting audiograms were compared. Both approaches yielded audiograms with similar U-shapes and regions of greatest sensitivity (2000−3000 Hz). However, ABR thresholds were higher than psychoacoustic thresholds at all frequencies. This difference was least at the highest frequency tested using both methods (5700 Hz) and greatest at 1000 Hz, where the ABR threshold was 26.8 dB higher than the behavioral measure of threshold. This difference is commonly reported in studies involving many different species. These results highlight the usefulness of each method, depending on the testing conditions and availability of the animals.
","language":"English","publisher":"Acoustical Society of America","doi":"10.1121/1.4948574","usgsCitation":"Crowell, S.E., Wells-Berlin, A.M., Therrien, R.E., Yannuzzi, S.E., and Carr, C.E., 2016, In-air hearing of a diving duck: A comparison of psychoacoustic and auditory brainstem response thresholds: Journal of the Acoustical Society of America, v. 139, no. 5, p. 3001-3008, https://doi.org/10.1121/1.4948574.","productDescription":"8 p.","startPage":"3001","endPage":"3008","ipdsId":"IP-070282","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":471359,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.1121/1.4948574","text":"External Repository"},{"id":339061,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"139","issue":"5","publishingServiceCenter":{"id":10,"text":"Baltimore PSC"},"noUsgsAuthors":false,"publicationDate":"2016-05-31","publicationStatus":"PW","scienceBaseUri":"58e35f80e4b09da67997ecaf","contributors":{"authors":[{"text":"Crowell, Sara E.","contributorId":146550,"corporation":false,"usgs":false,"family":"Crowell","given":"Sara","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":688106,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wells-Berlin, Alicia M. 0000-0002-5275-3077","orcid":"https://orcid.org/0000-0002-5275-3077","contributorId":10918,"corporation":false,"usgs":true,"family":"Wells-Berlin","given":"Alicia","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":688128,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Therrien, Ronald E.","contributorId":146233,"corporation":false,"usgs":false,"family":"Therrien","given":"Ronald","email":"","middleInitial":"E.","affiliations":[{"id":16639,"text":"EcoSmart Research","active":true,"usgs":false}],"preferred":false,"id":688129,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Yannuzzi, Sally E.","contributorId":146234,"corporation":false,"usgs":false,"family":"Yannuzzi","given":"Sally","email":"","middleInitial":"E.","affiliations":[{"id":7083,"text":"University of Maryland","active":true,"usgs":false}],"preferred":false,"id":688130,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Carr, Catherine E.","contributorId":146232,"corporation":false,"usgs":false,"family":"Carr","given":"Catherine","email":"","middleInitial":"E.","affiliations":[{"id":7083,"text":"University of Maryland","active":true,"usgs":false}],"preferred":false,"id":688131,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70198002,"text":"70198002 - 2016 - Hematology results from experimental exposure of sandhill cranes to West Nile virus","interactions":[],"lastModifiedDate":"2018-07-06T13:32:47","indexId":"70198002","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Hematology results from experimental exposure of sandhill cranes to West Nile virus","docAbstract":"West Nile virus is a deadly virus for young cranes. In testing two different vaccines on both adult sandhill cranes (Grus canadensis), we discovered that some blood parameters are altered by exposure to the virus. White blood cell counts were the most obvious, and may be used as an indicator of West Nile virus exposure in cranes. Other hematology and serum chemistry results were studied and only hematocrit, percent heterophils, and percent lymphocytes were of interest, along with the already published information on titers encountered in experimental infections. Clinical pathology results showed challenged cranes, whether vaccinated or not, had a decrease in their hematocrits and an elevation of 2.5-fold in their white blood cell counts as compared to unchallenged control sandhill cranes. No differences were apparent in the differential counts of heterophils and lymphocytes. 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","language":"English","publisher":"Wiley","doi":"10.1111/1365-2478.12262","usgsCitation":"Bedrosian, P.A., Schamper, C., and Auken, E., 2016, A comparison of helicopter-borne electromagnetic systems for hydrogeologic studies: Geophysical Prospecting, v. 64, no. 1, p. 192-215, https://doi.org/10.1111/1365-2478.12262.","productDescription":"24 p.","startPage":"192","endPage":"215","ipdsId":"IP-049361","costCenters":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":343162,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nebraska","volume":"64","issue":"1","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2015-06-29","publicationStatus":"PW","scienceBaseUri":"595611b7e4b0d1f9f0506768","contributors":{"authors":[{"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":702837,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schamper, Cyril","contributorId":193990,"corporation":false,"usgs":false,"family":"Schamper","given":"Cyril","email":"","affiliations":[],"preferred":false,"id":702838,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Auken, Esben","contributorId":193991,"corporation":false,"usgs":false,"family":"Auken","given":"Esben","email":"","affiliations":[],"preferred":false,"id":702839,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70173732,"text":"70173732 - 2016 - Predictive habitat models derived from nest-box occupancy for the endangered Carolina northern flying squirrel in the southern Appalachians","interactions":[],"lastModifiedDate":"2022-11-01T16:37:34.298687","indexId":"70173732","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1497,"text":"Endangered Species Research","active":true,"publicationSubtype":{"id":10}},"title":"Predictive habitat models derived from nest-box occupancy for the endangered Carolina northern flying squirrel in the southern Appalachians","docAbstract":"In the southern Appalachians, artificial nest-boxes are used to survey for the endangered Carolina northern flying squirrel (CNFS; Glaucomys sabrinus coloratus), a disjunct subspecies associated with high elevation (>1385 m) forests. Using environmental parameters diagnostic of squirrel habitat, we created 35 a priori occupancy models in the program PRESENCE for boxes surveyed in western North Carolina, 1996-2011. Our best approximating model showed CNFS denning associated with sheltered landforms and montane conifers, primarily red spruce Picea rubens. As sheltering decreased, decreasing distance to conifers was important. Area with a high probability (>0.5) of occupancy was distributed over 18662 ha of habitat, mostly across 10 mountain ranges. Because nest-box surveys underrepresented areas >1750 m and CNFS forage in conifers, we combined areas of high occupancy with conifer GIS coverages to create an additional distribution model of likely habitat. Regionally, above 1385 m, we determined that 31795 ha could be occupied by CNFS. Known occupied patches ranged from
","language":"English","publisher":"Inter-Research","doi":"10.3354/esr00662","usgsCitation":"Ford, W.M., Evans, A., Odom, R.H., Rodrigue, J.L., Kelly, C., Abaid, N., Diggins, C.A., and Newcomb, D., 2016, Predictive habitat models derived from nest-box occupancy for the endangered Carolina northern flying squirrel in the southern Appalachians: Endangered Species Research, v. 27, p. 131-140, https://doi.org/10.3354/esr00662.","productDescription":"10 p.","startPage":"131","endPage":"140","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-059397","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":471393,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3354/esr00662","text":"Publisher Index Page"},{"id":323393,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"North Carolina, Tennessee, Virginia","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -84.7466335932305,\n 34.995648624137246\n ],\n [\n -78.94333487363758,\n 34.995648624137246\n ],\n [\n -78.94333487363758,\n 37.285370946434895\n ],\n [\n -84.7466335932305,\n 37.285370946434895\n ],\n [\n -84.7466335932305,\n 34.995648624137246\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"27","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"575a9335e4b04f417c275176","contributors":{"authors":[{"text":"Ford, W. 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The transition from microoxic groundwater with ~5 mm Fe(II) to oxic surface water may provide a suitable habitat for microaerobic iron-oxidizing bacteria (FeOB). In this study, we investigated the potential contribution of these FeOB to iron oxidation and metal retention in this high-metal environment. We (i) identified and quantified FeOB in water and sediment at the outflow, terraces, and creek, (ii) studied the composition of biogenic iron oxides (Gallionella-like twisted stalks) with scanning and transmission electron microscopy (SEM, TEM) as well as confocal laser scanning microscopy (CLSM), and (iii) examined the metal distribution in sediments. Using quantitative PCR, a very high abundance of FeOB was demonstrated at all sites over a 6-month study period. Gallionella spp. clearly dominated the communities, accounting for up to 88% ofBacteria, with a minor contribution of other FeOB such as Sideroxydans spp. and ‘Ferrovum myxofaciens’. Classical 16S rRNA gene cloning showed that 96% of the Gallionella-related sequences had ≥97% identity to the putatively metal-tolerant ‘Gallionella capsiferriformans ES-2’, in addition to known stalk formers such as Gallionella ferruginea and Gallionellaceae strain R-1. Twisted stalks from glass slides incubated in water and sediment were composed of the Fe(III) oxyhydroxide ferrihydrite, as well as polysaccharides. SEM and scanning TEM-energy-dispersive X-ray spectroscopy revealed that stalk material contained Cu and Sn, demonstrating the association of heavy metals with biogenic iron oxides and the potential for metal retention by these stalks. Sequential extraction of sediments suggested that Cu (52–61% of total sediment Cu) and other heavy metals were primarily bound to the iron oxide fractions. These results show the importance of ‘G. capsiferriformans’ and biogenic iron oxides in slightly acidic but highly metal-contaminated freshwater environments.
","language":"English","publisher":"John Wiley & Sons","doi":"10.1111/gbi.12162","usgsCitation":"Fabisch, M., Freyer, G., Johnson, C.A., Buchel, G., Akob, D.M., Neu, T.R., and Kusel, K., 2016, Dominance of 'Gallionella capsiferriformans' and heavy metal association with Gallionella-like stalks in metal-rich pH 6 mine water discharge: Geobiology, v. 14, no. 1, p. 68-90, https://doi.org/10.1111/gbi.12162.","productDescription":"23 p.","startPage":"68","endPage":"90","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-066911","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":323582,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"14","issue":"1","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationDate":"2015-09-26","publicationStatus":"PW","scienceBaseUri":"57612ab0e4b04f417c2ce49e","contributors":{"authors":[{"text":"Fabisch, Maria","contributorId":17137,"corporation":false,"usgs":true,"family":"Fabisch","given":"Maria","affiliations":[],"preferred":false,"id":638690,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Freyer, Gina","contributorId":171798,"corporation":false,"usgs":false,"family":"Freyer","given":"Gina","email":"","affiliations":[{"id":26947,"text":"Friedrich Schiller University, Germany","active":true,"usgs":false}],"preferred":false,"id":638691,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Johnson, Carol A.","contributorId":171799,"corporation":false,"usgs":false,"family":"Johnson","given":"Carol","email":"","middleInitial":"A.","affiliations":[{"id":26948,"text":"Virginia Tech; Friedrich Schiller University, Germany","active":true,"usgs":false}],"preferred":false,"id":638692,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Buchel, Georg","contributorId":171800,"corporation":false,"usgs":false,"family":"Buchel","given":"Georg","email":"","affiliations":[{"id":26947,"text":"Friedrich Schiller University, Germany","active":true,"usgs":false}],"preferred":false,"id":638693,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Akob, Denise M. 0000-0003-1534-3025 dakob@usgs.gov","orcid":"https://orcid.org/0000-0003-1534-3025","contributorId":4980,"corporation":false,"usgs":true,"family":"Akob","given":"Denise","email":"dakob@usgs.gov","middleInitial":"M.","affiliations":[{"id":5058,"text":"Office of the Chief Scientist for Water","active":true,"usgs":true},{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":638689,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Neu, Thomas R.","contributorId":171801,"corporation":false,"usgs":false,"family":"Neu","given":"Thomas","email":"","middleInitial":"R.","affiliations":[{"id":26949,"text":"Helmholtz Centre for Environmental Research, Germany","active":true,"usgs":false}],"preferred":false,"id":638694,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Kusel, Kirsten","contributorId":171802,"corporation":false,"usgs":false,"family":"Kusel","given":"Kirsten","email":"","affiliations":[{"id":26947,"text":"Friedrich Schiller University, Germany","active":true,"usgs":false}],"preferred":false,"id":638695,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70173715,"text":"70173715 - 2016 - Hydrologic effects on diameter growth phenology for Celtis laevigata and Quercus lyrata in the floodplain of the lower White River, Arkansas","interactions":[],"lastModifiedDate":"2016-07-11T15:33:04","indexId":"70173715","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Hydrologic effects on diameter growth phenology for Celtis laevigata and Quercus lyrata in the floodplain of the lower White River, Arkansas","docAbstract":"Bottomland hardwood (BLH) forests represent an extensive wetland system in the Mississippi Alluvial Valley and southeastern USA, and it is currently undergoing widespread transition in species composition. One such transition involves increased establishment of sugarberry (Celtis laevigata), and decreased establishment of overcup oak (Quercus lyrata). The ecological mechanisms that control this transition are not well understood. We measured monthly diameter growth with dendrometer bands on 86 sugarberry and 42 overcup oak trees at eight sites in the floodplain of the White River (AR, USA) with differing hydrologic regimes. For both species, growth attenuated earlier at drier sites compared to wetter sites. Overcup oak grew slightly longer through late August, suggesting its growth period extends across both wet and dry periods. In contrast, sugarberry growth rate decreased substantially by mid-July. While these results did not necessarily indicate a mechanism for increased prominence of sugarberry, they suggest sugarberry growing season does not as much coincide with the typically drier period of late summer and may be less affected by these conditions. Overcup oak grows later into the dry season and water table conditions during this period may determine if overcup oak benefits from this relatively extended growth period.
","largerWorkTitle":"Proceedings of the 18th Biennial Southern Silvicultural Research Conference: USDA Forest Service General Technical Report SRS-212","conferenceTitle":"18th Biennial Southern Silvicultural Research Conference","conferenceDate":"March 2-5, 2015","conferenceLocation":"Knoxville, TN","language":"English","publisher":"USDA Forest Service","publisherLocation":"Asheville, NC","usgsCitation":"Allen, S.T., Cochran, W., Krauss, K.W., Keim, R., and King, S.L., 2016, Hydrologic effects on diameter growth phenology for Celtis laevigata and Quercus lyrata in the floodplain of the lower White River, Arkansas, in Proceedings of the 18th Biennial Southern Silvicultural Research Conference: USDA Forest Service General Technical Report SRS-212, Knoxville, TN, March 2-5, 2015, p. 273-279.","productDescription":"7 p.","startPage":"273","endPage":"279","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-065597","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":324096,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":324095,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.treesearch.fs.fed.us/pubs/50265"}],"publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"576a653ce4b07657d1a11dc0","contributors":{"editors":[{"text":"Schweitzer, Callie Jo","contributorId":172250,"corporation":false,"usgs":false,"family":"Schweitzer","given":"Callie","email":"","middleInitial":"Jo","affiliations":[],"preferred":false,"id":640026,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Clatterbuck, Wayne K.","contributorId":172251,"corporation":false,"usgs":false,"family":"Clatterbuck","given":"Wayne","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":640027,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Oswalt, Christopher M.","contributorId":172252,"corporation":false,"usgs":false,"family":"Oswalt","given":"Christopher","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":640028,"contributorType":{"id":2,"text":"Editors"},"rank":3}],"authors":[{"text":"Allen, Scott T.","contributorId":168409,"corporation":false,"usgs":false,"family":"Allen","given":"Scott","email":"","middleInitial":"T.","affiliations":[{"id":25282,"text":"School of Renewable Natural Resources, Louisiana State University, Baton Rouge, LA","active":true,"usgs":false}],"preferred":false,"id":640022,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cochran, Wesley","contributorId":172249,"corporation":false,"usgs":false,"family":"Cochran","given":"Wesley","email":"","affiliations":[],"preferred":false,"id":640023,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Krauss, Ken W. 0000-0003-2195-0729 kraussk@usgs.gov","orcid":"https://orcid.org/0000-0003-2195-0729","contributorId":2017,"corporation":false,"usgs":true,"family":"Krauss","given":"Ken","email":"kraussk@usgs.gov","middleInitial":"W.","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":640024,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Keim, Richard F.","contributorId":21858,"corporation":false,"usgs":true,"family":"Keim","given":"Richard F.","affiliations":[],"preferred":false,"id":640025,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"King, Sammy L. 0000-0002-5364-6361 sking@usgs.gov","orcid":"https://orcid.org/0000-0002-5364-6361","contributorId":557,"corporation":false,"usgs":true,"family":"King","given":"Sammy","email":"sking@usgs.gov","middleInitial":"L.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":637688,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70194819,"text":"70194819 - 2016 - 2015-2016 Palila abundance estimates","interactions":[],"lastModifiedDate":"2018-01-02T14:16:36","indexId":"70194819","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"seriesTitle":{"id":414,"text":"Technical Report","active":false,"publicationSubtype":{"id":9}},"seriesNumber":"HCSU-TR076","title":"2015-2016 Palila abundance estimates","docAbstract":"The palila (Loxioides bailleui) population was surveyed annually during 1998−2016 on Mauna Kea Volcano to determine abundance, population trend, and spatial distribution. In the latest surveys, the 2015 population was estimated at 852−1,406 birds (point estimate: 1,116) and the 2016 population was estimated at 1,494−2,385 (point estimate: 1,934). Similar numbers of palila were detected during the first and subsequent counts within each year during 2012−2016; the proportion of the total annual detections in each count ranged from 46% to 56%; and there was no difference in the detection probability due to count sequence. Furthermore, conducting repeat counts improved the abundance estimates by reducing the width of the confidence intervals between 9% and 32% annually. This suggests that multiple counts do not affect bird or observer behavior and can be continued in the future to improve the precision of abundance estimates. Five palila were detected on supplemental survey stations in the Ka‘ohe restoration area, outside the core survey area but still within Palila Critical Habitat (one in 2015 and four in 2016), suggesting that palila are present in habitat that is recovering from cattle grazing on the southwest slope. The average rate of decline during 1998−2016 was 150 birds per year. Over the 18-year monitoring period, the estimated rate of change equated to a 58% decline in the population.
","language":"English","publisher":"University of Hawai'i at Hilo","usgsCitation":"Camp, R., Brinck, K., and Banko, P.C., 2016, 2015-2016 Palila abundance estimates: Technical Report HCSU-TR076, 15 p.","productDescription":"15 p.","ipdsId":"IP-076248","costCenters":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"links":[{"id":350277,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350276,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://dspace.lib.hawaii.edu/handle/10790/2750"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a60fd87e4b06e28e9c24fa2","contributors":{"authors":[{"text":"Camp, Richard J. rick_camp@usgs.gov","contributorId":2952,"corporation":false,"usgs":true,"family":"Camp","given":"Richard J.","email":"rick_camp@usgs.gov","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true}],"preferred":false,"id":725394,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brinck, Kevin W. 0000-0001-7581-2482 kbrinck@usgs.gov","orcid":"https://orcid.org/0000-0001-7581-2482","contributorId":3847,"corporation":false,"usgs":true,"family":"Brinck","given":"Kevin W.","email":"kbrinck@usgs.gov","affiliations":[],"preferred":false,"id":725395,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Banko, Paul C. 0000-0002-6035-9803 pbanko@usgs.gov","orcid":"https://orcid.org/0000-0002-6035-9803","contributorId":3179,"corporation":false,"usgs":true,"family":"Banko","given":"Paul","email":"pbanko@usgs.gov","middleInitial":"C.","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true},{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"preferred":true,"id":725396,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70192342,"text":"70192342 - 2016 - RE: Costs of European wolf and human coexistence","interactions":[],"lastModifiedDate":"2017-10-25T14:41:44","indexId":"70192342","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"RE: Costs of European wolf and human coexistence","docAbstract":"No abstract available.
","language":"English","publisher":"Science","usgsCitation":"Mech, L.D., 2016, RE: Costs of European wolf and human coexistence: Science.","ipdsId":"IP-073053","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":347381,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":347287,"type":{"id":15,"text":"Index Page"},"url":"https://science.sciencemag.org/content/346/6216/1517/tab-e-letters"}],"publishingServiceCenter":{"id":4,"text":"Rolla PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"59f1a2a8e4b0220bbd9d9f86","contributors":{"authors":[{"text":"Mech, L. David 0000-0003-3944-7769 david_mech@usgs.gov","orcid":"https://orcid.org/0000-0003-3944-7769","contributorId":2518,"corporation":false,"usgs":true,"family":"Mech","given":"L.","email":"david_mech@usgs.gov","middleInitial":"David","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":715456,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70191676,"text":"70191676 - 2016 - Phrynosoma hernandesi (Greater Short-Horned Lizard). Commensalism","interactions":[],"lastModifiedDate":"2017-10-18T10:32:59","indexId":"70191676","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1898,"text":"Herpetological Review","active":true,"publicationSubtype":{"id":10}},"title":"Phrynosoma hernandesi (Greater Short-Horned Lizard). Commensalism","docAbstract":"Commensalism is a relationship between two organisms whereby one benefits without negatively affecting the other. Like other horned lizards, Phyrnosoma hernandesi feeds primarily on ants, but will take other insects (Powell and Russell 1983. Can. J. Zool. 62:428–440). Here we describe apparent com-mensalism between P. hernandesi and Lark Buntings (Calamo-spiza melanocorys).","language":"English","publisher":"Herpetological Review","usgsCitation":"Yackel, A., Adams, R.D., Skagen, S., and Martin, D.J., 2016, Phrynosoma hernandesi (Greater Short-Horned Lizard). Commensalism: Herpetological Review, v. 47.","ipdsId":"IP-069981","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":346830,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"47","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"59e86839e4b05fe04cd4d21f","contributors":{"authors":[{"text":"Yackel, Amy 0000-0002-7044-8447 yackela@usgs.gov","orcid":"https://orcid.org/0000-0002-7044-8447","contributorId":152310,"corporation":false,"usgs":true,"family":"Yackel","given":"Amy","email":"yackela@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":713030,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Adams, Rod D.","contributorId":197245,"corporation":false,"usgs":false,"family":"Adams","given":"Rod","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":713031,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Skagen, Susan K. 0000-0002-6744-1244 skagens@usgs.gov","orcid":"https://orcid.org/0000-0002-6744-1244","contributorId":167829,"corporation":false,"usgs":true,"family":"Skagen","given":"Susan K.","email":"skagens@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":false,"id":713032,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Martin, Daniel J. dmartin@usgs.gov","contributorId":197246,"corporation":false,"usgs":false,"family":"Martin","given":"Daniel","email":"dmartin@usgs.gov","middleInitial":"J.","affiliations":[],"preferred":false,"id":713033,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70159609,"text":"70159609 - 2016 - Hydrologic response of desert wetlands to Holocene climate change: preliminary results from the Soda Springs area, Mojave National Preserve, California","interactions":[],"lastModifiedDate":"2017-04-28T09:33:15","indexId":"70159609","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Hydrologic response of desert wetlands to Holocene climate change: preliminary results from the Soda Springs area, Mojave National Preserve, California","docAbstract":"Desert wetlands are common features in arid environments and include a variety of hydrologic facies, including seeps, springs, marshes, wet meadows, ponds, and spring pools. Wet ground conditions and dense stands of vegetation in these settings combine to trap eolian, alluvial, and fluvial sediments that accumulate over time. The resulting deposits are collectively called ground-water discharge (GWD) deposits, and contain information on how small desert watersheds responded to climate change in the past. Most GWD studies in the southwestern U.S. have focused on the late Pleistocene because the Holocene was too dry to support the extensive wetland systems that were so pervasive just a few millennia earlier. Here we describe the results of a pilot project that involves coring extant wetlands and analyzing the sedimentology and microfauna of the recovered sediment to infer Holocene hydrologic conditions. In 2011, a series of cores were taken near wetlands situated along the western margin of the Soda Lake basin in the Mojave National Preserve of southern California. The core sediments appear to show that the wetlands responded to the relatively minor climate fluctuations that characterized the Holocene. However, our analysis was limited by relatively low sediment recovery (which only averaged 70-80%) and a general paucity of datable materials in the cores. Additional studies aimed at improving recovery and developing new techniques for concentrating plant microfossils (plant remains that are <150 m in diameter) for radiocarbon dating are ongoing.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the 1st Death Valley Natural History Conference","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"First Death Valley Natural History Conference","language":"English","publisher":"Death Valley Natural History Association","usgsCitation":"Pigati, J., Reheis, M.C., McGeehin, J.P., Honke, J., and Bright, J., 2016, Hydrologic response of desert wetlands to Holocene climate change: preliminary results from the Soda Springs area, Mojave National Preserve, California, in Proceedings of the 1st Death Valley Natural History Conference, p. 2-19.","productDescription":"18 p.","startPage":"2","endPage":"19","ipdsId":"IP-052618","costCenters":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"links":[{"id":340585,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"590454a6e4b022cee40dc246","contributors":{"authors":[{"text":"Pigati, Jeffrey S. 0000-0001-5843-6219 jpigati@usgs.gov","orcid":"https://orcid.org/0000-0001-5843-6219","contributorId":149825,"corporation":false,"usgs":true,"family":"Pigati","given":"Jeffrey S.","email":"jpigati@usgs.gov","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":false,"id":579703,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reheis, Marith C. 0000-0002-8359-323X mreheis@usgs.gov","orcid":"https://orcid.org/0000-0002-8359-323X","contributorId":1196,"corporation":false,"usgs":true,"family":"Reheis","given":"Marith","email":"mreheis@usgs.gov","middleInitial":"C.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":false,"id":693378,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McGeehin, John P. mcgeehin@usgs.gov","contributorId":140956,"corporation":false,"usgs":true,"family":"McGeehin","given":"John","email":"mcgeehin@usgs.gov","middleInitial":"P.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":false,"id":693379,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Honke, Jeffrey S.","contributorId":46412,"corporation":false,"usgs":true,"family":"Honke","given":"Jeffrey S.","affiliations":[],"preferred":false,"id":693380,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bright, J.","contributorId":191525,"corporation":false,"usgs":false,"family":"Bright","given":"J.","affiliations":[],"preferred":false,"id":693381,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70192835,"text":"70192835 - 2016 - Potentially induced earthquakes during the early twentieth century in the Los Angeles Basin","interactions":[],"lastModifiedDate":"2017-10-30T16:15:06","indexId":"70192835","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Potentially induced earthquakes during the early twentieth century in the Los Angeles Basin","docAbstract":"Recent studies have presented evidence that early to mid‐twentieth‐century earthquakes in Oklahoma and Texas were likely induced by fossil fuel production and/or injection of wastewater (Hough and Page, 2015; Frohlich et al., 2016). Considering seismicity from 1935 onward, Hauksson et al. (2015) concluded that there is no evidence for significant induced activity in the greater Los Angeles region between 1935 and the present. To explore a possible association between earthquakes prior to 1935 and oil and gas production, we first revisit the historical catalog and then review contemporary oil industry activities. Although early industry activities did not induce large numbers of earthquakes, we present evidence for an association between the initial oil boom in the greater Los Angeles area and earthquakes between 1915 and 1932, including the damaging 22 June 1920 Inglewood and 8 July 1929 Whittier earthquakes. We further consider whether the 1933 Mw 6.4 Long Beach earthquake might have been induced, and show some evidence that points to a causative relationship between the earthquake and activities in the Huntington Beach oil field. The hypothesis that the Long Beach earthquake was either induced or triggered by an foreshock cannot be ruled out. Our results suggest that significant earthquakes in southern California during the early twentieth century might have been associated with industry practices that are no longer employed (i.e., production without water reinjection), and do not necessarily imply a high likelihood of induced earthquakes at the present time.
","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0120160157","usgsCitation":"Hough, S.E., and Page, M.T., 2016, Potentially induced earthquakes during the early twentieth century in the Los Angeles Basin: Bulletin of the Seismological Society of America, v. 106, no. 6, p. 2419-2435, https://doi.org/10.1785/0120160157.","productDescription":"17 p.","startPage":"2419","endPage":"2435","ipdsId":"IP-078170","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":347749,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","city":"Los Angeles","otherGeospatial":"Los Angeles Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -118.6667,\n 33.44060944370356\n ],\n [\n -117.69790649414061,\n 33.44060944370356\n ],\n [\n -117.69790649414061,\n 34.1667\n ],\n [\n -118.6667,\n 34.1667\n ],\n [\n -118.6667,\n 33.44060944370356\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"106","issue":"6","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2016-11-01","publicationStatus":"PW","scienceBaseUri":"59f83a3de4b063d5d3098114","contributors":{"authors":[{"text":"Hough, Susan E. 0000-0002-5980-2986 hough@usgs.gov","orcid":"https://orcid.org/0000-0002-5980-2986","contributorId":587,"corporation":false,"usgs":true,"family":"Hough","given":"Susan","email":"hough@usgs.gov","middleInitial":"E.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":717132,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Page, Morgan T. 0000-0001-9321-2990 mpage@usgs.gov","orcid":"https://orcid.org/0000-0001-9321-2990","contributorId":3762,"corporation":false,"usgs":true,"family":"Page","given":"Morgan","email":"mpage@usgs.gov","middleInitial":"T.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true}],"preferred":true,"id":717133,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70170405,"text":"70170405 - 2016 - Circumpolar Biodiversity Monitoring Programme coastal biodiversity monitoring background paper","interactions":[],"lastModifiedDate":"2017-04-21T11:25:08","indexId":"70170405","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"Circumpolar Biodiversity Monitoring Programme coastal biodiversity monitoring background paper","docAbstract":"In 2014, the United States (U.S.) and Canada agreed to act as co-lead countries for the initial development of the Coastal Expert Monitoring Group (CEMG) as part of the Circumpolar Biodiversity Monitoring Program (CBMP, www. cbmp.is) under the Arctic Council’s Conservation of Arctic Flora and Fauna (CAFF, www.caff.is) working group. The CAFF Management Board approved Terms of Reference for the CEMG in the spring of 2014.
The primary goal of the CEMG is to develop a long term, integrated, multi-disciplinary, circumpolar Arctic Coastal Biodiversity Monitoring Plan (the Coastal Plan) that relies on science and Traditional Knowledge, and has direct and relevant application for communities, industry, government decision makers, and other users. In addition to the monitoring plan, the CAFF working group has asked the CBMP, and thus the CEMG, to develop an implementation plan that identifies timeline, costs, organizational structure and partners. This background paper provides a platform for the guidance for the development of the Coastal Plan and is produced by the CEMG with assistance from a number of experts in multiple countries.
","language":"English","publisher":"CAFF International Secretariat","publisherLocation":"Akureyri, Iceland","isbn":"978-9935-431-50-9","usgsCitation":"McLennan, D., Anderson, R., Wegeberg, S., Pettersvik Arvnes, M., Sergienko, L., Behe, C., Moss-Davies, P., Fritz, S., Markon, C.J., Christensen, T., Barry, T., and Price, C., 2016, Circumpolar Biodiversity Monitoring Programme coastal biodiversity monitoring background paper, 23 p.","productDescription":"23 p.","ipdsId":"IP-071576","costCenters":[{"id":113,"text":"Alaska Regional Director's Office","active":true,"usgs":true}],"links":[{"id":340082,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":340081,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://hdl.handle.net/11374/1749"}],"publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58fb1a4ee4b0c3010a8087cb","contributors":{"authors":[{"text":"McLennan, Donald","contributorId":176567,"corporation":false,"usgs":false,"family":"McLennan","given":"Donald","email":"","affiliations":[],"preferred":false,"id":692404,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Anderson, Rebecca 0000-0001-6988-6311 rdanderson@usgs.gov","orcid":"https://orcid.org/0000-0001-6988-6311","contributorId":5925,"corporation":false,"usgs":true,"family":"Anderson","given":"Rebecca","email":"rdanderson@usgs.gov","affiliations":[{"id":113,"text":"Alaska Regional Director's Office","active":true,"usgs":true}],"preferred":true,"id":627111,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wegeberg, S.","contributorId":191226,"corporation":false,"usgs":false,"family":"Wegeberg","given":"S.","affiliations":[],"preferred":false,"id":692405,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Pettersvik Arvnes, Maria","contributorId":176570,"corporation":false,"usgs":false,"family":"Pettersvik Arvnes","given":"Maria","email":"","affiliations":[],"preferred":false,"id":692406,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sergienko, Liudmila","contributorId":176571,"corporation":false,"usgs":false,"family":"Sergienko","given":"Liudmila","email":"","affiliations":[],"preferred":false,"id":692407,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Behe, Carolina","contributorId":176572,"corporation":false,"usgs":false,"family":"Behe","given":"Carolina","email":"","affiliations":[],"preferred":false,"id":692408,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Moss-Davies, Pitseolak","contributorId":176573,"corporation":false,"usgs":false,"family":"Moss-Davies","given":"Pitseolak","email":"","affiliations":[],"preferred":false,"id":692409,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Fritz, S.","contributorId":91221,"corporation":false,"usgs":true,"family":"Fritz","given":"S.","email":"","affiliations":[],"preferred":false,"id":692410,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Markon, Carl J. markon@usgs.gov","contributorId":2499,"corporation":false,"usgs":true,"family":"Markon","given":"Carl","email":"markon@usgs.gov","middleInitial":"J.","affiliations":[],"preferred":false,"id":692411,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Christensen, T.","contributorId":191227,"corporation":false,"usgs":false,"family":"Christensen","given":"T.","affiliations":[],"preferred":false,"id":692412,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Barry, T.","contributorId":191228,"corporation":false,"usgs":false,"family":"Barry","given":"T.","email":"","affiliations":[],"preferred":false,"id":692413,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Price, C.","contributorId":12910,"corporation":false,"usgs":true,"family":"Price","given":"C.","affiliations":[],"preferred":false,"id":692414,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}} ,{"id":70178775,"text":"70178775 - 2016 - Exploration and geology of the Karangahake and Rahu epithermal Au-Ag deposits, Hauraki Goldfield","interactions":[],"lastModifiedDate":"2017-03-16T14:35:41","indexId":"70178775","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Exploration and geology of the Karangahake and Rahu epithermal Au-Ag deposits, Hauraki Goldfield","docAbstract":"Karangahake was the third largest gold producer in the Hauraki goldfield. In 2009, New Talisman Gold mines was granted a mining permit, and plans are underway to commence underground mine development of the Maria vein, which has a maiden Ore Reserve (consistent with the 2012 JORC Code) of 28 800 oz Au and 127 800 oz Ag. Exploration drilling at Rahu, located 2 km north of Karangahake has identified polymictic hydrothermal breccias and quartz veins that are strongly gold anomalous. Some quartz vein clasts within the breccia have up to 8.7 g/t Au, suggesting the presence of higher grade quartz vein(s) either below or directly adjacent to the breccias. A controlled source audio-frequency magnetotelluric (CSAMT) survey at Rahu revealed that strongly resistive zones extend below the Barbara and Eunice anomalies to at least 300 m depth and likely correspond to areas of increased silicification, breccias and/or veins. Future drilling will focus on these targets. \nDetailed geophysical, alteration and fluid inclusion studies have been undertaken at Karangahake, Rahu and Ascot (c 1 km NW of Rahu). Karangahake and Rahu both occur within a broad demagnetised zone, c 4.2 × 2.7 km, in which magnetite has been destroyed by strong hydrothermal alteration. At Karangahake, andesite and overlying minor rhyolite are replaced by adularia, chlorite, illite, pyrite, plus minor albite, epidote and calcite, which have formed from upwelling chloride waters that at depth were hotter than 280°C. At Rahu, localised adularia coupled with complex distributions of illite and interstratified illite-smectite, suggest cooler (c 180° to 240°C) and more focused fluid flow, as well as inferred cool groundwater influx. Fluid inclusion data suggest veins at Karangahake, Rahu and Ascot formed beneath palaeowater tables at 920 m, 440 m and 430 m relative to current sea level (asl), respectively. At Ascot, the presence of silica sinter at 135 m asl, which formed at the palaeosurface, is shallower compared to the fluid inclusion depth estimate and suggests that the palaeowater table here rose some 300 m during hydrothermal activity due to burial, resulting in overprinting. This overprint may also have occurred at Karangahake and Rahu, but the evidence is inconclusive; although burial during hydrothermal activity could explain the exceptional 700 m vertical range of mineralisation at Karangahake and raises the possibility of concealed mineralisation at depth elsewhere within the Karangahake alteration envelope.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"AusIMM Monograph 31: Mineral deposits of New Zealand—Exploration and research","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"The Australasian Institute of Mining and Metallurgy","usgsCitation":"Simpson, M.P., Stevens, M.R., Mauk, J.L., Harris, M.C., and Stuart, A.G., 2016, Exploration and geology of the Karangahake and Rahu epithermal Au-Ag deposits, Hauraki Goldfield, chap. of AusIMM Monograph 31: Mineral deposits of New Zealand—Exploration and research, p. 283-292.","productDescription":"10 p.","startPage":"283","endPage":"292","ipdsId":"IP-071527","costCenters":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":337764,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58cba41ce4b0849ce97dc74e","contributors":{"authors":[{"text":"Simpson, Mark P.","contributorId":140072,"corporation":false,"usgs":false,"family":"Simpson","given":"Mark","email":"","middleInitial":"P.","affiliations":[{"id":13376,"text":"The University of Auckland","active":true,"usgs":false}],"preferred":false,"id":655110,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stevens, Murray R","contributorId":177236,"corporation":false,"usgs":false,"family":"Stevens","given":"Murray","email":"","middleInitial":"R","affiliations":[],"preferred":false,"id":655111,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mauk, Jeffrey L. 0000-0002-6244-2774 jmauk@usgs.gov","orcid":"https://orcid.org/0000-0002-6244-2774","contributorId":4101,"corporation":false,"usgs":true,"family":"Mauk","given":"Jeffrey","email":"jmauk@usgs.gov","middleInitial":"L.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":655109,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Harris, Matthew C","contributorId":177237,"corporation":false,"usgs":false,"family":"Harris","given":"Matthew","email":"","middleInitial":"C","affiliations":[],"preferred":false,"id":655112,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Stuart, Alistair G J","contributorId":177238,"corporation":false,"usgs":false,"family":"Stuart","given":"Alistair","email":"","middleInitial":"G J","affiliations":[],"preferred":false,"id":655113,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70191997,"text":"70191997 - 2016 - Fishes of the Mississippi River","interactions":[],"lastModifiedDate":"2018-01-25T16:37:50","indexId":"70191997","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Fishes of the Mississippi River","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Fishery resources, environment, and conservation in the Mississippi and Yangtze (Changjiang) River Basins","language":"English","publisher":"American Fisheries Society","isbn":"978-1-934874-44-8","usgsCitation":"Schramm, H., Hatch, J.T., Hrabik, R.A., and Slack, W.T., 2016, Fishes of the Mississippi River, chap. of Fishery resources, environment, and conservation in the Mississippi and Yangtze (Changjiang) River Basins, p. 53-77.","productDescription":"25 p.","startPage":"53","endPage":"77","ipdsId":"IP-057805","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":350632,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":350631,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://fisheries.org/bookstore/all-titles/afs-symposia/54084p/"}],"publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a6afac7e4b06e28e9c9a908","contributors":{"authors":[{"text":"Schramm, Harold hschramm@usgs.gov","contributorId":149157,"corporation":false,"usgs":true,"family":"Schramm","given":"Harold","email":"hschramm@usgs.gov","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":713824,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hatch, Jay T.","contributorId":201483,"corporation":false,"usgs":false,"family":"Hatch","given":"Jay","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":725837,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hrabik, Robert A.","contributorId":148008,"corporation":false,"usgs":false,"family":"Hrabik","given":"Robert","email":"","middleInitial":"A.","affiliations":[{"id":16971,"text":"Missouri Department of Conservation","active":true,"usgs":false}],"preferred":false,"id":725838,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Slack, William T.","contributorId":47512,"corporation":false,"usgs":true,"family":"Slack","given":"William","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":725839,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70193145,"text":"70193145 - 2016 - Effects of a growth check on daily age estimates of age-0 alligator gar ","interactions":[],"lastModifiedDate":"2017-11-21T13:22:30","indexId":"70193145","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3909,"text":"Journal of the Southeastern Association of Fish and Wildlife Agencies","active":true,"publicationSubtype":{"id":10}},"title":"Effects of a growth check on daily age estimates of age-0 alligator gar ","docAbstract":"Accurate age and growth information is essential for a complete knowledge of life history, growth rates, age at sexual maturity, and average life span in fishes. Alligator gar are becoming increasingly managed throughout their range and because this species spawns in backwater flooded areas, their offspring are prone to stranding in areas with limited prey, potentially affecting their growth. Because fish growth is tightly linked with otolith growth and annulus formation, the ability to discern marks not indicative of annuli (age checks) in alligator gar would give managers some insight when estimating ages. Previous studies have suggested that checks are often present prior to the first annulus in otoliths of alligator gar, affecting age estimates. We investigated check formation in otoliths of alligator gar in relation to growth and food availability. Sixteen age-0 alligator gar were marked with oxytetracycline (OTC) to give a reference point and divided equitably into two groups: a control group with abundant prey and an experimental group with limited prey. The experimental group was given 2 g of food per week for 20 days and then given the same prey availability as the control group for the next 20 days. After 40 days, the gar were measured, sacrificed, and their sagittae removed to determine if checks were present. Checks were visible on 14 of the 16 otoliths in the experimental group, associated with low growth during the first 20 days when prey was limited and accelerated growth after prey availability was increased. No checks were observed on otoliths of the control group, where growth and prey availability were consistent. Age estimates of fish in the control group were more accurate than those in the experimental group, showing that fish growth as a function of prey availability likely induced the checks by compressing daily ring formation.
","language":"English","publisher":"Southeastern Association of Fish and Wildlife Agencies","usgsCitation":"Snow, R.A., and Long, J.M., 2016, Effects of a growth check on daily age estimates of age-0 alligator gar : Journal of the Southeastern Association of Fish and Wildlife Agencies, v. 3, p. 6-10.","productDescription":"5 p.","startPage":"6","endPage":"10","ipdsId":"IP-064928","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":349208,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"3","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a60fd88e4b06e28e9c24fbb","contributors":{"authors":[{"text":"Snow, Richard A.","contributorId":176213,"corporation":false,"usgs":false,"family":"Snow","given":"Richard","email":"","middleInitial":"A.","affiliations":[{"id":27443,"text":"Oklahoma Department of Wildlife Conservation","active":true,"usgs":false}],"preferred":false,"id":723057,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Long, James M. 0000-0002-8658-9949 jmlong@usgs.gov","orcid":"https://orcid.org/0000-0002-8658-9949","contributorId":3453,"corporation":false,"usgs":true,"family":"Long","given":"James","email":"jmlong@usgs.gov","middleInitial":"M.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":718093,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70170107,"text":"70170107 - 2016 - Status of pelagic prey fishes in Lake Michigan, 2015","interactions":[],"lastModifiedDate":"2017-04-21T10:57:35","indexId":"70170107","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"title":"Status of pelagic prey fishes in Lake Michigan, 2015","docAbstract":"Acoustic surveys were conducted in late summer/early fall during the years 1992-1996 and 2001-2015 to estimate pelagic prey fish biomass in Lake Michigan. Midwater trawling during the surveys as well as target strength provided a measure of species and size composition of the fish community for use in scaling acoustic data and providing species-specific abundance estimates. The 2015 survey consisted of 27 acoustic transects (580 km total) and 31 midwater trawl tows. Four additional transects were sampled in Green Bay but were not included in lakewide estimates. Mean prey fish biomass was 4.2 kg/ha [20.3 kilotonnes (kt = 1,000 metric tons)], equivalent to 44.8 million pounds, which was 36% lower than in 2014 (31.7 kt) and 17% of the long-term (20 years) mean. The numeric density of the 2015 alewife yearclass was 25% of the time series average and nearly 9 times the 2014 density. This year-class contributed 8% of total alewife biomass (3.4 kg/ha). In 2015, alewife comprised 82.5% of total prey fish biomass, while rainbow smelt and bloater were <1% and 16.9% of total biomass, respectively. Rainbow smelt biomass in 2015 (0.02 kg/ha) was 74% lower than in 2014, <1% of the long-term mean, and lower than in any previous year. Bloater biomass in 2015 was 0.7 kg/ha and 8% of the long-term mean. Mean density of small bloater in 2015 (489 fish/ha) was slightly lower than peak values observed in 2008-2009 but was more than three times the time series mean (142 fish/ha).
","largerWorkTitle":"Compiled reports to the Great Lake Fishery Commission of the annual bottom trawl and acoustics surveys, 2015","language":"English","publisher":"Great Lakes Science Center","usgsCitation":"Warner, D.M., Claramunt, R., Farha, S., Hanson, D., Desorcie, T.J., and O’Brien, T.P., 2016, Status of pelagic prey fishes in Lake Michigan, 2015, 10 p.","productDescription":"10 p.","startPage":"64","endPage":"73","ipdsId":"IP-073971","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":340078,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":340077,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.glfc.org/"}],"publishingServiceCenter":{"id":6,"text":"Columbus PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58fb1a4ee4b0c3010a8087cd","contributors":{"authors":[{"text":"Warner, David M. 0000-0003-4939-5368 dmwarner@usgs.gov","orcid":"https://orcid.org/0000-0003-4939-5368","contributorId":2986,"corporation":false,"usgs":true,"family":"Warner","given":"David","email":"dmwarner@usgs.gov","middleInitial":"M.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":626210,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Claramunt, Randall M.","contributorId":19047,"corporation":false,"usgs":true,"family":"Claramunt","given":"Randall M.","affiliations":[],"preferred":false,"id":692399,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Farha, Steven A. 0000-0001-9953-6996 sfarha@usgs.gov","orcid":"https://orcid.org/0000-0001-9953-6996","contributorId":5170,"corporation":false,"usgs":true,"family":"Farha","given":"Steven","email":"sfarha@usgs.gov","middleInitial":"A.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":692400,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hanson, Dale","contributorId":43676,"corporation":false,"usgs":true,"family":"Hanson","given":"Dale","affiliations":[],"preferred":false,"id":692401,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Desorcie, Timothy J. 0000-0002-9965-1668 tdesorcie@usgs.gov","orcid":"https://orcid.org/0000-0002-9965-1668","contributorId":3672,"corporation":false,"usgs":true,"family":"Desorcie","given":"Timothy","email":"tdesorcie@usgs.gov","middleInitial":"J.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":692402,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"O’Brien, Timothy P. 0000-0003-4502-5204 tiobrien@usgs.gov","orcid":"https://orcid.org/0000-0003-4502-5204","contributorId":2662,"corporation":false,"usgs":true,"family":"O’Brien","given":"Timothy","email":"tiobrien@usgs.gov","middleInitial":"P.","affiliations":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":692403,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70191895,"text":"70191895 - 2016 - Assessment of inland fisheries: A vision for the future","interactions":[],"lastModifiedDate":"2018-01-26T11:12:45","indexId":"70191895","displayToPublicDate":"2016-01-01T00:00:00","publicationYear":"2016","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Assessment of inland fisheries: A vision for the future","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Freshwater, fish, and the future: Proceedings of the Global Cross-Sectoral Conference","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"American Fisheries Society","isbn":"978-92-5-109263-7","usgsCitation":"Cooke, S., Arthington, A., Bonar, S.A., Bower, S.D., Bunnell, D.B., Entsua-Mensah, R., Funge-Smith, S., Koehn, J., Lester, N., Lorenzen, K., Nam, S., Randall, R., Venturelli, P.A., and Cowx, I.G., 2016, Assessment of inland fisheries: A vision for the future, chap. of Freshwater, fish, and the future: Proceedings of the Global Cross-Sectoral Conference, p. 45-62.","productDescription":"18 p.","startPage":"45","endPage":"62","ipdsId":"IP-077138","costCenters":[{"id":200,"text":"Coop Res Unit 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