It is crucial that scientist find innovative ways of effectively communicating research to resource managers, public officials, and the general public. New technologies, such as video podcasts, are being used as an outreach tool to communicate results from the U.S Geological Survey (USGS) National Water-Quality Assessment (NAWQA) program. The purpose of these podcasts is to summarize scientific research and methods from the NAWQA program. Video podcasts are audio podcasts that incorporate video clips to illustrate ideas presented in simple, concise language with brief 3 to 5-minute films. The process of creating concise podcast messages expands the potential audience for communicating research findings, but the production of video podcasts requires adequate allocation of time and resources. Audience responses to NAWQA podcasts thus far indicate that video is an effective means of sharing scientific information with a broader audience.
","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Rethinking Protected Areas in a Changing World","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"Rethinking protected areas in a changing world: Proceedings of the 2011 George Wright Society Conference on Parks, Protected Areas, and Cultural Sites ","conferenceDate":"March 14-18, 2011","conferenceLocation":"New Orleans, Louisiana ","language":"English","publisher":"The George Wright Society","usgsCitation":"Moorman, M.C., Harned, D.A., McMahon, G., and Capelli, K., 2012, Improving scientific communication through the use of U.S. Geological Survey Video Podcasts, in Rethinking Protected Areas in a Changing World, New Orleans, Louisiana , March 14-18, 2011, p. 231-236.","productDescription":"6 p.","startPage":"231","endPage":"236","ipdsId":"IP-029210","costCenters":[{"id":476,"text":"North Carolina Water Science Center","active":true,"usgs":true},{"id":565,"text":"Southeast Climate Science Center","active":true,"usgs":true}],"links":[{"id":367914,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":367913,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.georgewright.org/1141moorman.pdf"}],"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Moorman, Michelle C. mmoorman@usgs.gov","contributorId":4970,"corporation":false,"usgs":true,"family":"Moorman","given":"Michelle","email":"mmoorman@usgs.gov","middleInitial":"C.","affiliations":[{"id":476,"text":"North Carolina Water Science Center","active":true,"usgs":true}],"preferred":true,"id":772274,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harned, Douglas A. daharned@usgs.gov","contributorId":1295,"corporation":false,"usgs":true,"family":"Harned","given":"Douglas","email":"daharned@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":772275,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McMahon, Gerard 0000-0001-7675-777X gmcmahon@usgs.gov","orcid":"https://orcid.org/0000-0001-7675-777X","contributorId":191488,"corporation":false,"usgs":true,"family":"McMahon","given":"Gerard","email":"gmcmahon@usgs.gov","affiliations":[{"id":565,"text":"Southeast Climate Science Center","active":true,"usgs":true},{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"preferred":true,"id":772276,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Capelli, Kara kcapelli@usgs.gov","contributorId":219451,"corporation":false,"usgs":true,"family":"Capelli","given":"Kara","email":"kcapelli@usgs.gov","affiliations":[{"id":5072,"text":"Office of Communication and Publishing","active":true,"usgs":true}],"preferred":true,"id":772277,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70118530,"text":"70118530 - 2012 - Fault geometry and cumulative offsets in the central Coast Ranges, California: Evidence for northward increasing slip along the San Gregorio-San Simeon-Hosgri fault","interactions":[],"lastModifiedDate":"2014-07-29T09:39:35","indexId":"70118530","displayToPublicDate":"2012-10-02T09:38:16","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2626,"text":"Lithosphere","active":true,"publicationSubtype":{"id":10}},"title":"Fault geometry and cumulative offsets in the central Coast Ranges, California: Evidence for northward increasing slip along the San Gregorio-San Simeon-Hosgri fault","docAbstract":"Estimates of the dip, depth extent, and amount of cumulative displacement along the major faults in the central California Coast Ranges are controversial. We use detailed aeromagnetic data to estimate these parameters for the San Gregorio–San Simeon–Hosgri and other faults. The recently acquired aeromagnetic data provide an areally consistent data set that crosses the onshore-offshore transition without disruption, which is particularly important for the mostly offshore San Gregorio–San Simeon–Hosgri fault. Our modeling, constrained by exposed geology and in some cases, drill-hole and seismic-reflection data, indicates that the San Gregorio–San Simeon–Hosgri and Reliz-Rinconada faults dip steeply throughout the seismogenic crust. Deviations from steep dips may result from local fault interactions, transfer of slip between faults, or overprinting by transpression since the late Miocene. Given that such faults are consistent with predominantly strike-slip displacement, we correlate geophysical anomalies offset by these faults to estimate cumulative displacements. We find a northward increase in right-lateral displacement along the San Gregorio–San Simeon–Hosgri fault that is mimicked by Quaternary slip rates. Although overall slip rates have decreased over the lifetime of the fault, the pattern of slip has not changed. Northward increase in right-lateral displacement is balanced in part by slip added by faults, such as the Reliz-Rinconada, Oceanic–West Huasna, and (speculatively) Santa Ynez River faults to the east.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Lithosphere","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Geological Society of America","publisherLocation":"Boulder, CO","doi":"10.1130/L233.1","usgsCitation":"Langenheim, V., Jachens, R., Graymer, R., Colgan, J., Wentworth, C., and Stanley, R., 2012, Fault geometry and cumulative offsets in the central Coast Ranges, California: Evidence for northward increasing slip along the San Gregorio-San Simeon-Hosgri fault: Lithosphere, v. 5, no. 1, p. 29-48, https://doi.org/10.1130/L233.1.","productDescription":"20 p.","startPage":"29","endPage":"48","numberOfPages":"20","costCenters":[],"links":[{"id":474328,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1130/l233.1","text":"Publisher Index Page"},{"id":291249,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":291248,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1130/L233.1"}],"volume":"5","issue":"1","noUsgsAuthors":false,"publicationDate":"2012-10-02","publicationStatus":"PW","scienceBaseUri":"57f7f47fe4b0bc0bec0a0ff9","contributors":{"authors":[{"text":"Langenheim, V.E. 0000-0003-2170-5213","orcid":"https://orcid.org/0000-0003-2170-5213","contributorId":54956,"corporation":false,"usgs":true,"family":"Langenheim","given":"V.E.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":496911,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jachens, R.C.","contributorId":55433,"corporation":false,"usgs":true,"family":"Jachens","given":"R.C.","email":"","affiliations":[],"preferred":false,"id":496912,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Graymer, R. W.","contributorId":21174,"corporation":false,"usgs":true,"family":"Graymer","given":"R. W.","affiliations":[],"preferred":false,"id":496910,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Colgan, J.P.","contributorId":71678,"corporation":false,"usgs":true,"family":"Colgan","given":"J.P.","affiliations":[],"preferred":false,"id":496913,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wentworth, C. M. 0000-0003-2569-569X","orcid":"https://orcid.org/0000-0003-2569-569X","contributorId":106466,"corporation":false,"usgs":true,"family":"Wentworth","given":"C. M.","affiliations":[],"preferred":false,"id":496915,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Stanley, R. G. 0000-0001-6192-8783","orcid":"https://orcid.org/0000-0001-6192-8783","contributorId":77123,"corporation":false,"usgs":true,"family":"Stanley","given":"R. G.","affiliations":[],"preferred":false,"id":496914,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70040155,"text":"sir20125151 - 2012 - Spatial and temporal trends in runoff at long-term streamgages within and near the Chesapeake Bay Watershed","interactions":[],"lastModifiedDate":"2021-07-06T23:08:07.748441","indexId":"sir20125151","displayToPublicDate":"2012-10-02T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2012-5151","title":"Spatial and temporal trends in runoff at long-term streamgages within and near the Chesapeake Bay Watershed","docAbstract":"Long-term streamflow data within the Chesapeake Bay watershed and surrounding area were analyzed in an attempt to identify trends in streamflow. Data from 30 streamgages near and within the Chesapeake Bay watershed were selected from 1930 through 2010 for analysis. Streamflow data were converted to runoff and trend slopes in percent change per decade were calculated. Trend slopes for three runoff statistics (the 7-day minimum, the mean, and the 1-day maximum) were analyzed annually and seasonally. The slopes also were analyzed both spatially and temporally. The spatial results indicated that trend slopes in the northern half of the watershed were generally greater than those in the southern half. The temporal analysis was done by splitting the 80-year flow record into two subsets; records for 28 streamgages were analyzed for 1930 through 1969 and records for 30 streamgages were analyzed for 1970 through 2010. The mean of the data for all sites for each year were plotted so that the following datasets were analyzed: the 7-day minimum runoff for the north, the 7-day minimum runoff for the south, the mean runoff for the north, the mean runoff for the south, the 1-day maximum runoff for the north, and the 1-day maximum runoff for the south. Results indicated that the period 1930 through 1969 was statistically different from the period 1970 through 2010. For the 7-day minimum runoff and the mean runoff, the latter period had significantly higher streamflow than did the earlier period, although within those two periods no significant linear trends were identified. For the 1-day maximum runoff, no step trend or linear trend could be shown to be statistically significant for the north, although the south showed a mixture of an upward step trend accompanied by linear downtrends within the periods. In no case was a change identified that indicated an increasing rate of change over time, and no general pattern was identified of hydrologic conditions becoming \"more extreme\" over time.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20125151","collaboration":"Prepared in cooperation with the Virginia Department of Environmental Quality, Office of Surface Water Investigations","usgsCitation":"Rice, K.C., and Hirsch, R.M., 2012, Spatial and temporal trends in runoff at long-term streamgages within and near the Chesapeake Bay Watershed: U.S. Geological Survey Scientific Investigations Report 2012-5151, vi, 56 p., https://doi.org/10.3133/sir20125151.","productDescription":"vi, 56 p.","numberOfPages":"66","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":614,"text":"Virginia Water Science 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the Arabian Peninsula and Zagros Fold Belt, 2012","docAbstract":"Using a geology-based assessment methodology, the U.S. Geological Survey estimated means of 86 billion barrels of oil and 336 trillion cubic feet of undiscovered natural gas resources in the Arabian Peninsula and Zagros Fold Belt. The USGS assessed the potential for undiscovered conventional oil and gas accumulations within the Arabian Peninsula and Zagros Fold Belt as part of the USGS World Petroleum Resources Project. Twenty-three assessment units within seven petroleum systems were quantitatively assessed in this study, which represents a reassessment of this area last published in 2000.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20123115","collaboration":"World Petroleum Resources Project","usgsCitation":"Assessment of undiscovered conventional oil and gas resources of the Arabian Peninsula and Zagros Fold Belt, 2012; 2012; FS; 2012-3115; Pitman, Janet K.; Schenk, Christopher J.; Brownfield, Michael E.; Charpentier, Ronald R.; Cook, Troy A.; Klett, Timothy R.; Pollastro, Richard M.","productDescription":"4 p.","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":262191,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/2012/3115/coverthb2.jpg"},{"id":262180,"rank":3,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/2012/3115/","linkFileType":{"id":5,"text":"html"}},{"id":262181,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2012/3115/fs2012-3115.pdf","text":"Report","size":"1.45 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Fact Sheet 2012-3115"}],"country":"Bahrain, Iran, Iraq, Jordan, Kuwait, Oman, Qatar, Saudi Arabia, Syria, Turkey, United Arab Emirates, Yemen","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 34,12 ], [ 34,39 ], [ 50,39 ], [ 50,12 ], [ 34,12 ] ] ] } } ] }","contact":"Director, Central Energy Resources Science Center
U.S. Geological Survey
Box 25046, MS-939
Denver, CO 80225-0046
Water-quality samples collected in an area prone to groundwater flooding in Wawarsing, New York, were analyzed and assessed to better understand the hydrologic system and to aid in the assessment of contributing water sources. Above average rainfall over the past decade, and the presence of a pressurized water tunnel that passes about 700 feet beneath Wawarsing, could both contribute to groundwater flooding. Water samples were collected from surface-water bodies, springs, and wells and analyzed for major and trace inorganic constituents, dissolved gases, age tracers, and stable isotopes. Distinct differences in chemistry exist between tunnel water and groundwater in unconsolidated deposits and in bedrock, and among groundwater samples collected from some bedrock wells during high head pressure and low head pressure of the Rondout-West Branch Tunnel. Samples from bedrock wells generally had relatively higher concentrations of sulfate (SO42-), strontium (Sr), barium (Ba), and lower concentrations of calcium (Ca) and bicarbonate (HCO3-), as compared to unconsolidated wells. Differences in stable-isotope ratios among oxygen-18 to oxygen-16 (δ18O), hydrogen-2 to hydrogen-1 (δ2H), sulfur-34 to sulfur-32(δ34S) of SO42-, Sr-87 to Sr-86 (87Sr/86Sr), and C-13 to C-12 (δ13C) of dissolved inorganic carbon (DIC) indicate a potential for distinguishing water in the Delaware-West Branch Tunnel from native groundwater. For example, 87Sr/86Sr ratios were more depleted in groundwater samples from most bedrock wells, as compared to samples from surface-water sources, springs, and wells screened in unconsolidated deposits in the study area. Age-tracer data provided useful information on pathways of the groundwater-flow system, but were limited by inherent problems with dissolved gases in bedrock wells. The sulfur hexafluoride (SF6) and (or) chlorofluorocarbons (CFCs) apparent recharge years of most water samples from wells screened in unconsolidated deposits and springs ranged from 2003 to 2010 (current) and indicate short flow paths from the point of groundwater recharge. All but three of the samples from bedrock wells had interference problems with dissolved gases, mainly caused by excess air from degassing of hydrogen sulfide and methane. The SF6 and (or) CFC apparent recharge years of samples from three of the bedrock wells ranged from the 1940s to the early 2000s; the sample with the early 2000s recharge year was from a flowing artesian well that was chemically similar to water samples collected at the influent to the tunnel at Rondout Reservoir and the most hydraulically responsive to water tunnel pressure compared to other bedrock wells. Data described in this report can be used, together with hydrogeologic data, to improve the understanding of source waters and groundwater-flow patterns and pathways, and to help assess the mixing of different source waters in water samples. Differences in stable isotope ratios, major and trace constituent concentrations, saturation indexes, tritium concentrations, and apparent groundwater ages will be used to estimate the proportion of water that originates from Rondout-West Branch Tunnel leakage.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20125144","collaboration":"Prepared in cooperation with the New York City Department of Environmental Protection","usgsCitation":"Brown, C., Eckhardt, D.A., Stumm, F., and Chu, A., 2012, Preliminary assessment of water chemistry related to groundwater flooding in Wawarsing, New York, 2009-11: U.S. Geological Survey Scientific Investigations Report 2012-5144, x, 35 p., https://doi.org/10.3133/sir20125144.","productDescription":"x, 35 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"links":[{"id":262196,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2012_5144.gif"},{"id":262195,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2012/5144/pdf/sir2012-5144.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":262194,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2012/5144/","linkFileType":{"id":5,"text":"html"}}],"scale":"100000","projection":"Lambert Conformal Conic","datum":"North American Datum of 1983","country":"United States","state":"New York","city":"Wawarsing","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -76.25,41 ], [ -76.25,42 ], [ -73,42 ], [ -73,41 ], [ -76.25,41 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"506c01e1e4b05073318eead0","contributors":{"authors":[{"text":"Brown, Craig J.","contributorId":104450,"corporation":false,"usgs":true,"family":"Brown","given":"Craig J.","affiliations":[],"preferred":false,"id":467755,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eckhardt, David A. daeckhar@usgs.gov","contributorId":1079,"corporation":false,"usgs":true,"family":"Eckhardt","given":"David","email":"daeckhar@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":467753,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stumm, Frederick 0000-0002-5388-8811 fstumm@usgs.gov","orcid":"https://orcid.org/0000-0002-5388-8811","contributorId":1077,"corporation":false,"usgs":true,"family":"Stumm","given":"Frederick","email":"fstumm@usgs.gov","affiliations":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"preferred":true,"id":467752,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Chu, Anthony 0000-0001-8623-2862 achu@usgs.gov","orcid":"https://orcid.org/0000-0001-8623-2862","contributorId":2517,"corporation":false,"usgs":true,"family":"Chu","given":"Anthony","email":"achu@usgs.gov","affiliations":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"preferred":true,"id":467754,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70040208,"text":"sir20125104 - 2012 - Estimated probabilities and volumes of postwildfire debris flows—A prewildfire evaluation for the Pikes Peak area, El Paso and Teller Counties, Colorado","interactions":[],"lastModifiedDate":"2012-10-05T17:16:22","indexId":"sir20125104","displayToPublicDate":"2012-10-01T18:33:39","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2012-5104","title":"Estimated probabilities and volumes of postwildfire debris flows—A prewildfire evaluation for the Pikes Peak area, El Paso and Teller Counties, Colorado","docAbstract":"Debris flows are fast-moving, high-density slurries of water, sediment, and debris that can have enormous destructive power. Although debris flows, triggered by intense rainfall or rapid snowmelt on steep hillsides covered with erodible material, are a common geomorphic process in some unburned areas, a wildfire can transform conditions in a watershed with no recent history of debris flows into conditions that pose a substantial hazard to residents, communities, infrastructure, aquatic habitats, and water supply. The location, extent, and severity of wildfire and the subsequent rainfall intensity and duration cannot be known in advance; however, hypothetical scenarios based on empirical debris-flow models are useful planning tools for conceptualizing potential postwildfire debris flows. A prewildfire study to determine the potential for postwildfire debris flows in the Pikes Peak area in El Paso and Teller Counties, Colorado, was initiated in 2010 by the U.S. Geological Survey, in cooperation with the City of Colorado Springs, Colorado Springs Utilities. The study was conducted to provide a relative measure of which subwatersheds might constitute the most serious potential debris-flow hazards in the event of a large-scale wildfire and subsequent rainfall.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20125104","collaboration":"Prepared in cooperation with the City of Colorado Springs, Colorado","usgsCitation":"Elliott, J.G., Ruddy, B.C., Verdin, K.L., and Schaffrath, K.R., 2012, Estimated probabilities and volumes of postwildfire debris flows—A prewildfire evaluation for the Pikes Peak area, El Paso and Teller Counties, Colorado: U.S. Geological Survey Scientific Investigations Report 2012-5104, iv, 26 p., https://doi.org/10.3133/sir20125104.","productDescription":"iv, 26 p.","numberOfPages":"33","onlineOnly":"Y","costCenters":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"links":[{"id":262310,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2012_5104.gif"},{"id":262303,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2012/5104/","linkFileType":{"id":5,"text":"html"}},{"id":262304,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2012/5104/sir2012-5104.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"50000","projection":"Universal Transverse Mercator projection, Zone 13 North","datum":"North American Datum of 1983","country":"United States","state":"Colorado","county":"El Paso;Teller","otherGeospatial":"Pikes Peak","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -105.13333333333334,38.71666666666667 ], [ -105.13333333333334,38.95 ], [ -104.85,38.95 ], [ -104.85,38.71666666666667 ], [ -105.13333333333334,38.71666666666667 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"50db7975e4b061270600bd0f","contributors":{"authors":[{"text":"Elliott, John G. jelliott@usgs.gov","contributorId":832,"corporation":false,"usgs":true,"family":"Elliott","given":"John","email":"jelliott@usgs.gov","middleInitial":"G.","affiliations":[],"preferred":true,"id":467903,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ruddy, Barbara C. bcruddy@usgs.gov","contributorId":4163,"corporation":false,"usgs":true,"family":"Ruddy","given":"Barbara","email":"bcruddy@usgs.gov","middleInitial":"C.","affiliations":[],"preferred":true,"id":467905,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Verdin, Kristine L. 0000-0002-6114-4660 kverdin@usgs.gov","orcid":"https://orcid.org/0000-0002-6114-4660","contributorId":3070,"corporation":false,"usgs":true,"family":"Verdin","given":"Kristine","email":"kverdin@usgs.gov","middleInitial":"L.","affiliations":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":467904,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Schaffrath, Keelin R.","contributorId":7552,"corporation":false,"usgs":true,"family":"Schaffrath","given":"Keelin","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":467906,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70048660,"text":"70048660 - 2012 - Modelling ecological flow regime: an example from the Tennessee and Cumberland River basins","interactions":[],"lastModifiedDate":"2014-02-11T15:02:31","indexId":"70048660","displayToPublicDate":"2012-10-01T14:56:33","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1447,"text":"Ecohydrology","active":true,"publicationSubtype":{"id":10}},"title":"Modelling ecological flow regime: an example from the Tennessee and Cumberland River basins","docAbstract":"Predictive equations were developed for 19 ecologically relevant streamflow characteristics within five major groups of flow variables (magnitude, ratio, frequency, variability, and date) for use in the Tennessee and Cumberland River basins using stepbackward regression. Basin characteristics explain 50% or more of the variation for 12 of the 19 equations. Independent variables identified through stepbackward regression were statistically significant in 78 of 304 cases (α > 0.0001) and represent four major groups: climate, physical landscape features, regional indicators, and land use. Of these groups, the regional and climate variables were the most influential for determining hydrologic response. Daily temperature range, geologic factor, and rock depth were major factors explaining the variability in 17, 15, and 13 equations, respectively. The equations and independent datasets were used to explore the broad relation between basin properties and streamflow and the implication of streamflow to the study of ecological flow requirements. Key results include a high degree of hydrologic variability among least disturbed Blue Ridge streams, similar hydrologic behaviour for watersheds with widely varying degrees of forest cover, and distinct hydrologic profiles for streams in different geographic regions. Published in 2011. This article is a US Government work and is in the public domain in the USA.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecohydrology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","doi":"10.1002/eco.246","usgsCitation":"Knight, R., Gain, W.S., and Wolfe, W., 2012, Modelling ecological flow regime: an example from the Tennessee and Cumberland River basins: Ecohydrology, v. 5, no. 5, p. 613-627, https://doi.org/10.1002/eco.246.","productDescription":"15 p.","startPage":"613","endPage":"627","ipdsId":"IP-023745","costCenters":[{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true}],"links":[{"id":282283,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":282282,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1002/eco.246"}],"country":"United States","state":"Alabama;Georgia;Kentucky;Mississippi;North Carolina;Tennessee;Virginia","otherGeospatial":"Tennessee And Cumberland River Basins","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -90.31,34.44 ], [ -90.31,37.06 ], [ -80.86,37.06 ], [ -80.86,34.44 ], [ -90.31,34.44 ] ] ] } } ] }","volume":"5","issue":"5","noUsgsAuthors":false,"publicationDate":"2011-07-08","publicationStatus":"PW","scienceBaseUri":"53cd67f3e4b0b29085101b79","contributors":{"authors":[{"text":"Knight, Rodney R. rrknight@usgs.gov","contributorId":2272,"corporation":false,"usgs":true,"family":"Knight","given":"Rodney R.","email":"rrknight@usgs.gov","affiliations":[{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true}],"preferred":false,"id":485323,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gain, W. Scott wsgain@usgs.gov","contributorId":346,"corporation":false,"usgs":true,"family":"Gain","given":"W.","email":"wsgain@usgs.gov","middleInitial":"Scott","affiliations":[{"id":6676,"text":"USGS (retired)","active":true,"usgs":false}],"preferred":true,"id":485321,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wolfe, William J. wjwolfe@usgs.gov","contributorId":1888,"corporation":false,"usgs":true,"family":"Wolfe","given":"William J.","email":"wjwolfe@usgs.gov","affiliations":[{"id":581,"text":"Tennessee Water Science Center","active":true,"usgs":true}],"preferred":false,"id":485322,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70102821,"text":"70102821 - 2012 - Seeing the light: the effects of particles, dissolved materials, and temperature on in situ measurements of DOM fluorescence in rivers and streams","interactions":[],"lastModifiedDate":"2017-01-13T16:05:15","indexId":"70102821","displayToPublicDate":"2012-10-01T13:38:14","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2622,"text":"Limnology and Oceanography: Methods","active":true,"publicationSubtype":{"id":10}},"title":"Seeing the light: the effects of particles, dissolved materials, and temperature on in situ measurements of DOM fluorescence in rivers and streams","docAbstract":"Field-deployable sensors designed to continuously measure the fluorescence of colored dissolved organic matter (FDOM) in situ are of growing interest. However, the ability to make FDOM measurements that are comparable across sites and over time requires a clear understanding of how instrument characteristics and environmental conditions affect the measurements. In particular, the effects of water temperature and light attenuation by both colored dissolved material and suspended particles may be significant in settings such as rivers and streams. Using natural standard reference materials, we characterized the performance of four commercially-available FDOM sensors under controlled laboratory conditions over ranges of temperature, dissolved organic matter (DOM) concentrations, and turbidity that spanned typical environmental ranges. We also examined field data from several major rivers to assess how often attenuation artifacts or temperature effects might be important. We found that raw (uncorrected) FDOM values were strongly affected by the light attenuation that results from dissolved substances and suspended particles as well as by water temperature. Observed effects of light attenuation and temperature agreed well with theory. Our results show that correction of measured FDOM values to account for these effects is necessary and feasible over much of the range of temperature, DOM concentration, and turbidity commonly encountered in surface waters. In most cases, collecting high-quality FDOM measurements that are comparable through time and between sites will require concurrent measurements of temperature and turbidity, and periodic discrete sample collection for laboratory measurement of DOM.","language":"English","publisher":"American Society of Limnology and Oceanography","doi":"10.4319/lom.2012.10.767","usgsCitation":"Downing, B.D., Pellerin, B., Bergamaschi, B., Saraceno, J., and Kraus, T., 2012, Seeing the light: the effects of particles, dissolved materials, and temperature on in situ measurements of DOM fluorescence in rivers and streams: Limnology and Oceanography: Methods, v. 10, p. 767-775, https://doi.org/10.4319/lom.2012.10.767.","productDescription":"9 p.","startPage":"767","endPage":"775","numberOfPages":"9","ipdsId":"IP-032741","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":474329,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.4319/lom.2012.10.767","text":"Publisher Index Page"},{"id":286536,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":286535,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.4319/lom.2012.10.767"}],"volume":"10","noUsgsAuthors":false,"publicationDate":"2012-10-04","publicationStatus":"PW","scienceBaseUri":"535a326ee4b0d08644962750","contributors":{"authors":[{"text":"Downing, Bryan D. 0000-0002-2007-5304 bdowning@usgs.gov","orcid":"https://orcid.org/0000-0002-2007-5304","contributorId":1449,"corporation":false,"usgs":true,"family":"Downing","given":"Bryan","email":"bdowning@usgs.gov","middleInitial":"D.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":493023,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pellerin, Brian A.","contributorId":58385,"corporation":false,"usgs":true,"family":"Pellerin","given":"Brian A.","affiliations":[],"preferred":false,"id":493024,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bergamaschi, Brian A. 0000-0002-9610-5581","orcid":"https://orcid.org/0000-0002-9610-5581","contributorId":73241,"corporation":false,"usgs":true,"family":"Bergamaschi","given":"Brian A.","affiliations":[],"preferred":false,"id":493026,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Saraceno, John Franco 0000-0003-0064-1820","orcid":"https://orcid.org/0000-0003-0064-1820","contributorId":71686,"corporation":false,"usgs":true,"family":"Saraceno","given":"John Franco","affiliations":[],"preferred":false,"id":493025,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kraus, Tamara E.C. 0000-0002-5187-8644","orcid":"https://orcid.org/0000-0002-5187-8644","contributorId":92410,"corporation":false,"usgs":true,"family":"Kraus","given":"Tamara E.C.","affiliations":[],"preferred":false,"id":493027,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70169083,"text":"70169083 - 2012 - Movement patterns, habitat use, and survival of Lahontan cutthroat trout in the Truckee River","interactions":[],"lastModifiedDate":"2016-03-16T12:28:23","indexId":"70169083","displayToPublicDate":"2012-10-01T13:30:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2886,"text":"North American Journal of Fisheries Management","active":true,"publicationSubtype":{"id":10}},"title":"Movement patterns, habitat use, and survival of Lahontan cutthroat trout in the Truckee River","docAbstract":"Successful oyster reef restoration, like many conservation challenges, requires not only biological understanding of the resource, but also stakeholder cooperation and political support. To measure perceptions of oyster reef restoration activities and priorities for future restoration along the northern Gulf of Mexico coast, a survey of 1500 individuals representing 4 user groups (oyster harvesters, shrimpers, environmental organization members, professionals), across 5 states (Texas, Louisiana, Mississippi, Alabama, Florida) was conducted in 2011. All respondents highly supported reef restoration efforts, but there was a dichotomy in preferred restoration goals with commercial fishermen more likely to support oyster reef restoration for stock enhancement, while professionals and environmental organization members were more likely to support oyster reef restoration to enhance ecosystem services. All user groups identified enforcement, funding, and appropriate site selection as basic requirements for successful reef restoration. For management of restored oyster reefs, oyster harvesters and shrimpers were less likely to support options that restricted the use of reefs, including gear restrictions and permanent closures, but did support rotating annual reef closures, while other stakeholders were willing to consider all options, including annual reef closures and sanctuary reefs. Overall, there were clear differences in management and communication preferences across user groups, but few differences across states. Understanding these key differences in stakeholder support for, and willingness to accept specific management actions is critical in moving management and restoration forward while minimizing conflict.
","language":"English","publisher":"Elsevier Applied Science","publisherLocation":"Barking, Essex, England","doi":"10.1016/j.ocecoaman.2012.06.001","collaboration":"Louisiana Chapter of The Nature Conservancy from the National Fish and Wildlife Foundation","usgsCitation":"LaPeyre, M.K., Nix, A., Laborde, L., and Piazza, B.P., 2012, Gauging state-level and user group views of oyster reef restoration activities in the northern Gulf of Mexico: Ocean and Coastal Management, v. 67, p. 1-8, https://doi.org/10.1016/j.ocecoaman.2012.06.001.","productDescription":"8 p.","startPage":"1","endPage":"8","numberOfPages":"8","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-038404","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":305967,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"67","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55b361b2e4b09a3b01b5daa4","contributors":{"authors":[{"text":"LaPeyre, Megan K. 0000-0001-9936-2252 mlapeyre@usgs.gov","orcid":"https://orcid.org/0000-0001-9936-2252","contributorId":585,"corporation":false,"usgs":true,"family":"LaPeyre","given":"Megan","email":"mlapeyre@usgs.gov","middleInitial":"K.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":549006,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nix, Ashby","contributorId":145930,"corporation":false,"usgs":false,"family":"Nix","given":"Ashby","email":"","affiliations":[],"preferred":false,"id":565692,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Laborde, Luke","contributorId":145931,"corporation":false,"usgs":false,"family":"Laborde","given":"Luke","email":"","affiliations":[],"preferred":false,"id":565693,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Piazza, Bryan P.","contributorId":11022,"corporation":false,"usgs":true,"family":"Piazza","given":"Bryan","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":565694,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70046520,"text":"70046520 - 2012 - David L. Parkhurst as the recipient of the 2012 O.E. Meinzer Award of the Hydrogeology Division of the Geological Society of America","interactions":[],"lastModifiedDate":"2014-01-24T12:05:40","indexId":"70046520","displayToPublicDate":"2012-10-01T12:05:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1725,"text":"GSA Hydrogeology Newsletter","active":true,"publicationSubtype":{"id":10}},"title":"David L. Parkhurst as the recipient of the 2012 O.E. Meinzer Award of the Hydrogeology Division of the Geological Society of America","docAbstract":"Describes the impact of USGS scientist David Parkhurst's influential contributions to the fields of aqueous geochemistry and hydrogeology. Parkhurst is the recipient of the 2012 O.E. Meinzer award of the Geological Society of America's Hydrogeology Division.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"GSA Hydrogeology Newsletter","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Glynn, P.D., 2012, David L. Parkhurst as the recipient of the 2012 O.E. Meinzer Award of the Hydrogeology Division of the Geological Society of America: GSA Hydrogeology Newsletter, no. 77, 13 p.","productDescription":"13 p.","ipdsId":"IP-041783","costCenters":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"links":[{"id":281488,"type":{"id":11,"text":"Document"},"url":"https://gsahydro.fiu.edu/newsletters/Oct_2012.pdf"},{"id":281493,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","issue":"77","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd53dbe4b0b290850f5658","contributors":{"authors":[{"text":"Glynn, Pierre D. 0000-0001-8804-7003 pglynn@usgs.gov","orcid":"https://orcid.org/0000-0001-8804-7003","contributorId":2141,"corporation":false,"usgs":true,"family":"Glynn","given":"Pierre","email":"pglynn@usgs.gov","middleInitial":"D.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":479733,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70074266,"text":"70074266 - 2012 - Direct geoelectrical evidence of mass transfer at the laboratory scale","interactions":[],"lastModifiedDate":"2014-01-29T11:19:14","indexId":"70074266","displayToPublicDate":"2012-10-01T11:15:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Direct geoelectrical evidence of mass transfer at the laboratory scale","docAbstract":"Previous field-scale experimental data and numerical modeling suggest that the dual-domain mass transfer (DDMT) of electrolytic tracers has an observable geoelectrical signature. Here we present controlled laboratory experiments confirming the electrical signature of DDMT and demonstrate the use of time-lapse electrical measurements in conjunction with concentration measurements to estimate the parameters controlling DDMT, i.e., the mobile and immobile porosity and rate at which solute exchanges between mobile and immobile domains. We conducted column tracer tests on unconsolidated quartz sand and a material with a high secondary porosity: the zeolite clinoptilolite. During NaCl tracer tests we collected nearly colocated bulk direct-current electrical conductivity (σb) and fluid conductivity (σf) measurements. Our results for the zeolite show (1) extensive tailing and (2) a hysteretic relation between σf and σb, thus providing evidence of mass transfer not observed within the quartz sand. To identify best-fit parameters and evaluate parameter sensitivity, we performed over 2700 simulations of σf, varying the immobile and mobile domain and mass transfer rate. We emphasized the fit to late-time tailing by minimizing the Box-Cox power transformed root-mean square error between the observed and simulated σf. Low-field proton nuclear magnetic resonance (NMR) measurements provide an independent quantification of the volumes of the mobile and immobile domains. The best-fit parameters based on σf match the NMR measurements of the immobile and mobile domain porosities and provide the first direct electrical evidence for DDMT. Our results underscore the potential of using electrical measurements for DDMT parameter inference.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Water Resources Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","doi":"10.1029/2012WR012431","usgsCitation":"Swanson, R.D., Singha, K., Day-Lewis, F.D., Binley, A., Keating, K., and Haggerty, R., 2012, Direct geoelectrical evidence of mass transfer at the laboratory scale: Water Resources Research, v. 48, no. 10, 10 p., https://doi.org/10.1029/2012WR012431.","productDescription":"10 p.","numberOfPages":"10","onlineOnly":"Y","ipdsId":"IP-041013","costCenters":[{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true}],"links":[{"id":281647,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":281607,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2012WR012431"}],"volume":"48","issue":"10","noUsgsAuthors":false,"publicationDate":"2012-10-25","publicationStatus":"PW","scienceBaseUri":"53cd5522e4b0b290850f625d","contributors":{"authors":[{"text":"Swanson, Ryan D.","contributorId":39284,"corporation":false,"usgs":true,"family":"Swanson","given":"Ryan","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":489464,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Singha, Kamini","contributorId":76733,"corporation":false,"usgs":true,"family":"Singha","given":"Kamini","affiliations":[],"preferred":false,"id":489465,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Day-Lewis, Frederick D. 0000-0003-3526-886X daylewis@usgs.gov","orcid":"https://orcid.org/0000-0003-3526-886X","contributorId":1672,"corporation":false,"usgs":true,"family":"Day-Lewis","given":"Frederick","email":"daylewis@usgs.gov","middleInitial":"D.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":493,"text":"Office of Ground Water","active":true,"usgs":true},{"id":486,"text":"OGW Branch of Geophysics","active":true,"usgs":true}],"preferred":true,"id":489462,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Binley, Andrew","contributorId":83022,"corporation":false,"usgs":true,"family":"Binley","given":"Andrew","affiliations":[],"preferred":false,"id":489466,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Keating, Kristina","contributorId":34018,"corporation":false,"usgs":true,"family":"Keating","given":"Kristina","affiliations":[],"preferred":false,"id":489463,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Haggerty, Roy","contributorId":102631,"corporation":false,"usgs":true,"family":"Haggerty","given":"Roy","affiliations":[],"preferred":false,"id":489467,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70047908,"text":"70047908 - 2012 - Plant toxins and trophic cascades alter fire regime and succession on a boral forest landscape","interactions":[],"lastModifiedDate":"2013-08-30T11:04:44","indexId":"70047908","displayToPublicDate":"2012-10-01T11:01:52","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1458,"text":"Ecological Modelling","active":true,"publicationSubtype":{"id":10}},"title":"Plant toxins and trophic cascades alter fire regime and succession on a boral forest landscape","docAbstract":"Two models were integrated in order to study the effect of plant toxicity and a trophic cascade on forest succession and fire patterns across a boreal landscape in central Alaska. One of the models, ALFRESCO, is a cellular automata model that stochastically simulates transitions from spruce dominated 1 km2 spatial cells to deciduous woody vegetation based on stochastic fires, and from deciduous woody vegetation to spruce based on age of the cell with some stochastic variation. The other model, the ‘toxin-dependent functional response’ model (TDFRM) simulates woody vegetation types with different levels of toxicity, an herbivore browser (moose) that can forage selectively on these types, and a carnivore (wolf) that preys on the herbivore. Here we replace the simple succession rules in each ALFRESCO cell by plant–herbivore–carnivore dynamics from TDFRM. The central hypothesis tested in the integrated model is that the herbivore, by feeding selectively on low-toxicity deciduous woody vegetation, speeds succession towards high-toxicity evergreens, like spruce. Wolves, by keeping moose populations down, can help slow the succession. Our results confirmed this hypothesis for the model calibrated to the Tanana floodplain of Alaska. We used the model to estimate the effects of different levels of wolf control. Simulations indicated that management reductions in wolf densities could reduce the mean time to transition from deciduous to spruce by more than 15 years, thereby increasing landscape flammability. The integrated model can be useful in estimating ecosystem impacts of wolf control and moose harvesting in central Alaska.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecological Modelling","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.ecolmodel.2012.06.022","usgsCitation":"Feng, Z., Alfaro-Murillo, J.A., DeAngelis, D., Schmidt, J., Barga, M., Zheng, Y., Ahmad Tamrin, M.H., Olson, M., Glaser, T., Kielland, K., Chapin, F.S., and Bryant, J., 2012, Plant toxins and trophic cascades alter fire regime and succession on a boral forest landscape: Ecological Modelling, v. 244, p. 79-92, https://doi.org/10.1016/j.ecolmodel.2012.06.022.","productDescription":"14 p.","startPage":"79","endPage":"92","ipdsId":"IP-033449","costCenters":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"links":[{"id":277183,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.ecolmodel.2012.06.022"},{"id":277184,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 172.5,51.2 ], [ 172.5,71.4 ], [ -130.0,71.4 ], [ -130.0,51.2 ], [ 172.5,51.2 ] ] ] } } ] }","volume":"244","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5221bee7e4b001cbb8a34f23","contributors":{"authors":[{"text":"Feng, Zhilan","contributorId":30341,"corporation":false,"usgs":true,"family":"Feng","given":"Zhilan","affiliations":[],"preferred":false,"id":483268,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Alfaro-Murillo, Jorge A.","contributorId":94197,"corporation":false,"usgs":true,"family":"Alfaro-Murillo","given":"Jorge","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":483275,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"DeAngelis, Donald L. 0000-0002-1570-4057","orcid":"https://orcid.org/0000-0002-1570-4057","contributorId":88015,"corporation":false,"usgs":true,"family":"DeAngelis","given":"Donald L.","affiliations":[],"preferred":false,"id":483273,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Schmidt, Jennifer","contributorId":7605,"corporation":false,"usgs":true,"family":"Schmidt","given":"Jennifer","affiliations":[],"preferred":false,"id":483265,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Barga, Matthew","contributorId":28155,"corporation":false,"usgs":true,"family":"Barga","given":"Matthew","email":"","affiliations":[],"preferred":false,"id":483267,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Zheng, Yiqiang","contributorId":76633,"corporation":false,"usgs":true,"family":"Zheng","given":"Yiqiang","email":"","affiliations":[],"preferred":false,"id":483272,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Ahmad Tamrin, Muhammad Hanis B.","contributorId":106786,"corporation":false,"usgs":true,"family":"Ahmad Tamrin","given":"Muhammad","email":"","middleInitial":"Hanis B.","affiliations":[],"preferred":false,"id":483276,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Olson, Mark","contributorId":91009,"corporation":false,"usgs":true,"family":"Olson","given":"Mark","affiliations":[],"preferred":false,"id":483274,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Glaser, Tim","contributorId":12768,"corporation":false,"usgs":true,"family":"Glaser","given":"Tim","email":"","affiliations":[],"preferred":false,"id":483266,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Kielland, Knut","contributorId":39627,"corporation":false,"usgs":true,"family":"Kielland","given":"Knut","affiliations":[],"preferred":false,"id":483269,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Chapin, F. Stuart III","contributorId":65632,"corporation":false,"usgs":false,"family":"Chapin","given":"F.","suffix":"III","email":"","middleInitial":"Stuart","affiliations":[{"id":13117,"text":"Institute of Arctic Biology, University of Alaska Fairbanks","active":true,"usgs":false}],"preferred":false,"id":483271,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Bryant, John","contributorId":49262,"corporation":false,"usgs":true,"family":"Bryant","given":"John","affiliations":[],"preferred":false,"id":483270,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}} ,{"id":70043951,"text":"70043951 - 2012 - A test for the relative strength of maternal and stock effects in spring Chinook salmon (Oncorhynchus tshawytscha) from two different hatcheries (Study site: Warm Springs Hatchery; Stocks: Warm Springs Hatchery and Carson Hatchery; Year class: 1993)","interactions":[],"lastModifiedDate":"2021-04-21T14:49:48.379879","indexId":"70043951","displayToPublicDate":"2012-10-01T10:30:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"10","displayTitle":"A test for the relative strength of maternal and stock effects in spring Chinook salmon (Oncorhynchus tshawytscha) from two different hatcheries (Study site: Warm Springs Hatchery; Stocks: Warm Springs Hatchery and Carson Hatchery; Year class: 1993)","title":"A test for the relative strength of maternal and stock effects in spring Chinook salmon (Oncorhynchus tshawytscha) from two different hatcheries (Study site: Warm Springs Hatchery; Stocks: Warm Springs Hatchery and Carson Hatchery; Year class: 1993)","docAbstract":"An experiment was undertaken to determine the relative strength of maternal and stock effects in Chinook salmon (Oncorhynchus tshawytscha) reared in a common environment, as a companion study to our investigation of hatchery and wild Chinook salmon. Pure-strain and reciprocal crosses were made between two hatchery stocks (Carson and Warm Springs National Fish Hatcheries). The offspring were reared together in one of the hatcheries to the smolt stage, and then were transferred to a seawater rearing facility (USGS-Marrowstone Field Station). Differences in survival, growth and disease prevalence were assessed. Fish with Carson parentage grew to greater size at the hatchery and in seawater than the pure-strain Warm Springs fish, but showed higher mortality at introduction to seawater. The analyses of maternal and stock effects were inconclusive, but the theoretical responses to different combinations of maternal and stock effects may be useful in interpreting stock comparison studies.
","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Genetic differences in growth, migration, and survival between hatchery and wild steelhead and Chinook salmon: Final report. Performance period: June 1991 to December 2005","largerWorkSubtype":{"id":3,"text":"Organization Series"},"language":"English","publisher":"Bonneville Power Administration","usgsCitation":"Wetzel, L.A., Rubin, S.P., Reisenbichler, R.R., and Stenberg, K.D., 2012, A test for the relative strength of maternal and stock effects in spring Chinook salmon (Oncorhynchus tshawytscha) from two different hatcheries (Study site: Warm Springs Hatchery; Stocks: Warm Springs Hatchery and Carson Hatchery; Year class: 1993), chap. 10 of Genetic differences in growth, migration, and survival between hatchery and wild steelhead and Chinook salmon: Final report. Performance period: June 1991 to December 2005, p. 305-325.","productDescription":"20 p.","startPage":"305","endPage":"325","numberOfPages":"20","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-029623","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":320973,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":385252,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://www.cbfish.org/Document.mvc/Viewer/P129072"}],"country":"United States","state":"Oregon, Washington","otherGeospatial":"Columbia River, Warm Springs River, Wind River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -121.937255859375,\n 44.76428680790121\n ],\n [\n -121.937255859375,\n 45.84410779560204\n ],\n [\n -120.7177734375,\n 45.84410779560204\n ],\n [\n -120.7177734375,\n 44.76428680790121\n ],\n [\n -121.937255859375,\n 44.76428680790121\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"572b1d2be4b0b13d391b4448","contributors":{"editors":[{"text":"Rubin, Stephen P. 0000-0003-3054-7173","orcid":"https://orcid.org/0000-0003-3054-7173","contributorId":38037,"corporation":false,"usgs":true,"family":"Rubin","given":"Stephen","email":"","middleInitial":"P.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":628807,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Reisenbichler, Reginald R.","contributorId":20623,"corporation":false,"usgs":true,"family":"Reisenbichler","given":"Reginald","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":628808,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Wetzel, Lisa A. 0000-0003-3178-9940 lwetzel@usgs.gov","orcid":"https://orcid.org/0000-0003-3178-9940","contributorId":3016,"corporation":false,"usgs":true,"family":"Wetzel","given":"Lisa","email":"lwetzel@usgs.gov","middleInitial":"A.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":628809,"contributorType":{"id":2,"text":"Editors"},"rank":3},{"text":"Hayes, Michael C. 0000-0002-9060-0565 mhayes@usgs.gov","orcid":"https://orcid.org/0000-0002-9060-0565","contributorId":3017,"corporation":false,"usgs":true,"family":"Hayes","given":"Michael","email":"mhayes@usgs.gov","middleInitial":"C.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":628810,"contributorType":{"id":2,"text":"Editors"},"rank":4}],"authors":[{"text":"Wetzel, Lisa A. 0000-0003-3178-9940 lwetzel@usgs.gov","orcid":"https://orcid.org/0000-0003-3178-9940","contributorId":3016,"corporation":false,"usgs":true,"family":"Wetzel","given":"Lisa","email":"lwetzel@usgs.gov","middleInitial":"A.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":628803,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rubin, Stephen P. 0000-0003-3054-7173","orcid":"https://orcid.org/0000-0003-3054-7173","contributorId":38037,"corporation":false,"usgs":true,"family":"Rubin","given":"Stephen","email":"","middleInitial":"P.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":628804,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Reisenbichler, Reginald R.","contributorId":20623,"corporation":false,"usgs":true,"family":"Reisenbichler","given":"Reginald","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":628805,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stenberg, Karl D. 0000-0001-9802-2707 kstenberg@usgs.gov","orcid":"https://orcid.org/0000-0001-9802-2707","contributorId":3747,"corporation":false,"usgs":true,"family":"Stenberg","given":"Karl","email":"kstenberg@usgs.gov","middleInitial":"D.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":628806,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70125656,"text":"70125656 - 2012 - Biodiversity loss decreases parasite diversity: theory and patterns","interactions":[],"lastModifiedDate":"2014-09-18T10:15:29","indexId":"70125656","displayToPublicDate":"2012-10-01T10:12:40","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3048,"text":"Philosophical Transactions of the Royal Society B: Biological Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Biodiversity loss decreases parasite diversity: theory and patterns","docAbstract":"Past models have suggested host–parasite coextinction could lead to linear, or concave down relationships between free-living species richness and parasite richness. I explored several models for the relationship between parasite richness and biodiversity loss. Life cycle complexity, low generality of parasites and sensitivity of hosts reduced the robustness of parasite species to the loss of free-living species diversity. Food-web complexity and the ordering of extinctions altered these relationships in unpredictable ways. Each disassembly of a food web resulted in a unique relationship between parasite richness and the richness of free-living species, because the extinction trajectory of parasites was sensitive to the order of extinctions of free-living species. However, the average of many disassemblies tended to approximate an analytical model. Parasites of specialist hosts and hosts higher on food chains were more likely to go extinct in food-web models. Furthermore, correlated extinctions between hosts and parasites (e.g. if parasites share a host with a specialist predator) led to steeper declines in parasite richness with biodiversity loss. In empirical food webs with random removals of free-living species, the relationship between free-living species richness and parasite richness was, on average, quasi-linear, suggesting biodiversity loss reduces parasite diversity more than previously thought.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Philosophical Transactions of the Royal Society B: Biological Sciences","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"The Royal Society","publisherLocation":"London","doi":"10.1098/rstb.2012.0110","usgsCitation":"Lafferty, K.D., 2012, Biodiversity loss decreases parasite diversity: theory and patterns: Philosophical Transactions of the Royal Society B: Biological Sciences, v. 367, no. 1604, p. 2814-2827, https://doi.org/10.1098/rstb.2012.0110.","productDescription":"14 p.","startPage":"2814","endPage":"2827","numberOfPages":"14","ipdsId":"IP-029379","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":474330,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1098/rstb.2012.0110","text":"Publisher Index Page"},{"id":294115,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":294043,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1098/rstb.2012.0110"}],"volume":"367","issue":"1604","noUsgsAuthors":false,"publicationDate":"2012-10-19","publicationStatus":"PW","scienceBaseUri":"541bf41ce4b0e96537ddf63e","contributors":{"authors":[{"text":"Lafferty, Kevin D. 0000-0001-7583-4593 klafferty@usgs.gov","orcid":"https://orcid.org/0000-0001-7583-4593","contributorId":1415,"corporation":false,"usgs":true,"family":"Lafferty","given":"Kevin","email":"klafferty@usgs.gov","middleInitial":"D.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":501565,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70045020,"text":"70045020 - 2012 - Passage performance of long-distance upstream migrants at a large dam on the Paraná River and the compounding effects of entry and ascent","interactions":[],"lastModifiedDate":"2014-01-15T11:11:19","indexId":"70045020","displayToPublicDate":"2012-10-01T09:57:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2852,"text":"Neotropical Ichthyology","active":true,"publicationSubtype":{"id":10}},"title":"Passage performance of long-distance upstream migrants at a large dam on the Paraná River and the compounding effects of entry and ascent","docAbstract":"This paper presents results of a fishway evaluation performed at the Engenheiro Sérgio Motta Hydroelectric Power Plant (known as Porto Primavera) - CESP, Paraná River, Brazil. The evaluation was designed to quantify entry and passage proportions of 4 long-distance migratory fish species: Brycon orbignyanus (piracanjuba), Piaractus mesopotamicus (pacu), Prochilodus lineatus (curimba), and Rhinelepis aspera (cascudo-preto). Proportions finding and entering the fishway differed between species, ranged from 7.4 % (Prochilodus lineatus) to 55.4% (Piaractus mesopotamicus). Also, proportion passing was different between species, ranged from 31% (R. aspera) to 100% (Prochilodus lineatus). Fish that were marked and released within the fishway had greater failure rates than those that entered volitionally. Total time to pass ranged from 1.48 hours (Prochilodus lineatus) to 178.9 hours (R. aspera). Failure rates were greatest in the lower end of the fishway. Although some individuals of all species passed successfully, significant challenges remain to restoring connectivity of the upper Paraná River.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Neotropical Ichthyology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Sociedade Brasileira de Ictiologia","doi":"10.1590/S1679-62252012000400011","usgsCitation":"Wagner, R.L., Makrakis, S., Castro-Santos, T.R., Makrakis, M.C., Dias, J.H., and Belmont, R.F., 2012, Passage performance of long-distance upstream migrants at a large dam on the Paraná River and the compounding effects of entry and ascent: Neotropical Ichthyology, v. 10, no. 4, p. 785-795, https://doi.org/10.1590/S1679-62252012000400011.","productDescription":"11 p.","startPage":"785","endPage":"795","numberOfPages":"11","ipdsId":"IP-042990","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":474331,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1590/s1679-62252012000400011","text":"Publisher Index Page"},{"id":281080,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":281079,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1590/S1679-62252012000400011"}],"country":"Brazil","state":"Sáo Paulo States","city":"Mato Grosso Do Sul","otherGeospatial":"Paran� River","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -54.3328,-24.0561 ], [ -54.3328,-20.2051 ], [ -50.9229,-20.2051 ], [ -50.9229,-24.0561 ], [ -54.3328,-24.0561 ] ] ] } } ] }","volume":"10","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd6aa9e4b0b29085103685","contributors":{"authors":[{"text":"Wagner, Ricardo Luiz","contributorId":92166,"corporation":false,"usgs":true,"family":"Wagner","given":"Ricardo","email":"","middleInitial":"Luiz","affiliations":[],"preferred":false,"id":476630,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Makrakis, Sergio","contributorId":95349,"corporation":false,"usgs":true,"family":"Makrakis","given":"Sergio","email":"","affiliations":[],"preferred":false,"id":476631,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Castro-Santos, Theodore R. 0000-0003-2575-9120 tcastrosantos@usgs.gov","orcid":"https://orcid.org/0000-0003-2575-9120","contributorId":3321,"corporation":false,"usgs":true,"family":"Castro-Santos","given":"Theodore","email":"tcastrosantos@usgs.gov","middleInitial":"R.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":476627,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Makrakis, Maristela Cavicchioli","contributorId":90208,"corporation":false,"usgs":true,"family":"Makrakis","given":"Maristela","email":"","middleInitial":"Cavicchioli","affiliations":[],"preferred":false,"id":476629,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dias, Joao Henrique Pinheiro","contributorId":23843,"corporation":false,"usgs":true,"family":"Dias","given":"Joao","email":"","middleInitial":"Henrique Pinheiro","affiliations":[],"preferred":false,"id":476628,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Belmont, Rene Fuster","contributorId":106798,"corporation":false,"usgs":true,"family":"Belmont","given":"Rene","email":"","middleInitial":"Fuster","affiliations":[],"preferred":false,"id":476632,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70206020,"text":"70206020 - 2012 - Role of stranded gas from Central Asia, Russia, Southeast Asia, and Australia in meeting Asia’s future demand for gas imports","interactions":[],"lastModifiedDate":"2019-10-18T06:38:26","indexId":"70206020","displayToPublicDate":"2012-10-01T09:33:42","publicationYear":"2012","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Role of stranded gas from Central Asia, Russia, Southeast Asia, and Australia in meeting Asia’s future demand for gas imports","docAbstract":"Demand for natural gas is increasing more rapidly than anticipated in Far East markets because (1) China has modified its policies in order to increase reliance on gas, in part to mitigate the growth in its coal consumption (which now stand at almost half of world coal production), (2) Japan has announced its intention to eventually shutdown its nuclear power industry, and (3) India, which currently has more than 400 million people without electricity, desires to accelerate electrification. This analysis investigates the potential role of stranded gas from Central Asia, Russia, Southeast Asia, and Australia in meeting Asia's future demand for gas imports. It initially surveys the discovered or known gas in stranded gas accumulations in Central Asia, Russia, Australia, Indonesia, and Malaysia. It then examines the primary gas import markets of China, India, Japan, and South Korea by describing energy use, gas demand trends, and domestic gas supplies to establish boundaries that encompass the wide variation in gas import demands in these markets during the two decades following 2020.
Then the cost of developing and delivering gas through overland pipelines from selected stranded gas fields in Central Asia and Russia to China is examined. Analysis shows that for the Shanghai market in China, the costs of developing and delivering Russia's stranded gas from the petroleum provinces of eastern Siberia are competitive with costs estimated for stranded gas from Central Asia. However, for the Western Siberian Basin, delivered gas costs are at least 3 US dollars per thousand cubic feet (USD/Mcf) higher than delivered gas from Central Asia.
The extraction and transport costs to a liquefaction plant for gas from stranded gas fields located in Australia, Indonesia, Malaysia, and the basins of eastern Siberia are then evaluated. The resource cost functions presented show development and extraction costs as a function of the volume of stranded gas developed for each country. The analysis demonstrates that, although the Russian fields in areas of eastern Siberia are large with relatively low extraction costs, distances to a potential liquefaction plant at Vladivostok make them initially the high cost suppliers of the liquefied natural gas (LNG) market. For the LNG markets examined, Australia and Malaysia are initially the lowest cost suppliers. For the Shanghai market, a comparison of the cost of supplying gas by pipeline with the cost of supplying LNG shows that the pipeline costs from areas of eastern Siberia and Central Asia are generally lower than delivered cost of gas as LNG from the LNG supply sources considered.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"SPE Hydrocarbon Economics and Evaluation Symposium","conferenceDate":"September 24-25, 2012","conferenceLocation":"Calgary, Alberta","language":"English","publisher":"Society of Petroleum Engineers","publisherLocation":"Proceedings 2012 Hydrocarbon Economics and Evaluation Symposium","doi":"10.2118/162870-MS","usgsCitation":"Attanasi, E., and Freeman, P., 2012, Role of stranded gas from Central Asia, Russia, Southeast Asia, and Australia in meeting Asia’s future demand for gas imports, SPE Hydrocarbon Economics and Evaluation Symposium, Calgary, Alberta, September 24-25, 2012, 37 p., https://doi.org/10.2118/162870-MS.","productDescription":"37 p.","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"links":[{"id":368366,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Australia, Russia","otherGeospatial":"Central Asia, Southeast Asia","noUsgsAuthors":false,"publicationDate":"2012-09-24","publicationStatus":"PW","contributors":{"authors":[{"text":"Attanasi, Emil D. 0000-0001-6845-7160 attanasi@usgs.gov","orcid":"https://orcid.org/0000-0001-6845-7160","contributorId":198728,"corporation":false,"usgs":true,"family":"Attanasi","given":"Emil D.","email":"attanasi@usgs.gov","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":773315,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Freeman, Philip A. 0000-0002-0863-7431 pfreeman@usgs.gov","orcid":"https://orcid.org/0000-0002-0863-7431","contributorId":193093,"corporation":false,"usgs":true,"family":"Freeman","given":"Philip A.","email":"pfreeman@usgs.gov","affiliations":[{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":773316,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ]}