The U.S. Geological Survey, in cooperation with the Albuquerque Bernalillo County Water Utility Authority (ABCWUA), has developed a series of maps and associated reports to document changes in the groundwater level in the production zone of the Santa Fe Group aquifer system in the Albuquerque, New Mexico, area. The current map and associated report document the construction of contours representing the groundwater-level surface of winter (November to March) conditions for water year 2016 and estimated net groundwater-level declines (called drawdown) since widespread groundwater pumping began in the early 1960s (called predevelopment conditions).
Prior to 2008, groundwater withdrawal from the Santa Fe Group aquifer system was the principal water supply for the study area. The large quantity of withdrawal relative to recharge resulted in drawdown throughout the Albuquerque area. In response, the ABCWUA implemented a strategy for sustainable development of its water resources, including the diversion of surface water as part of the San Juan-Chama Drinking Water Project in 2008. The 2016 groundwater-level contours indicate that the general direction of groundwater flow is towards clusters of production wells in the eastern and northwestern parts of the study area. Drawdown from predevelopment to 2016 is greatest along the eastern margin of the study area and in the northwestern part of the study area, likely correlated with groundwater withdrawals and potentially compounded by proximity to faults. Comparing drawdown in water year 2016 to that of water years 2002, 2008, and 2012 shows a reduction in drawdown (groundwater-level rebound) in the study area since 2008, which corresponds with the timing of reductions in groundwater withdrawals as a result of the ABCWUA’s San Juan-Chama Drinking Water Project. Time-series analysis of groundwater-level measurements in piezometers within the study area also indicates the recent groundwater-level rebound since 2008.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sim3433","collaboration":"Prepared in cooperation with the Albuquerque Bernalillo County Water Utility Authority","usgsCitation":"Galanter, A.E., Curry, L.T.S., 2019, Estimated 2016 groundwater level and drawdown from predevelopment to 2016 in the Santa Fe Group aquifer system in the Albuquerque area, central New Mexico: U.S. Geological Survey Scientific Investigations Map 3433, 1 sheet, 13-p. pamphlet, https://doi.org/10.3133/sim3433.\n","productDescription":"Pamphlet: v, 13 p.; 1 Sheet: 18 by 24 inches; Data release","numberOfPages":"23","onlineOnly":"N","additionalOnlineFiles":"Y","ipdsId":"IP-106258","costCenters":[{"id":472,"text":"New Mexico Water Science Center","active":true,"usgs":true}],"links":[{"id":363344,"rank":3,"type":{"id":26,"text":"Sheet"},"url":"https://pubs.usgs.gov/sim/3433/sim3433.pdf","text":"Figure 1","size":"1.34 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIM 3433"},{"id":363342,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sim/3433/coverthb.jpg"},{"id":363343,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sim/3433/sim3433_pamphlet.pdf","text":"Pamphlet","size":"1.47 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIM 3433 Pamphlet"},{"id":363345,"rank":4,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P9TWBYYQ","text":"USGS data release","description":"USGS Data Release","linkHelpText":"Select well locations, construction data, and groundwater-level measurements used to estimate 2016 groundwater-level contours in the Santa Fe Group aquifer system in the Albuquerque area, central New Mexico"}],"country":"United States","state":"New Mexico","city":"Albuquerque","otherGeospatial":"Santa Fe Group Aquifer System","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -107,\n 34.9\n ],\n [\n -106.33,\n 34.9\n ],\n [\n -106.33,\n 35.25\n ],\n [\n -107,\n 35.25\n ],\n [\n -107,\n 34.9\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Director, New Mexico Water Science Center
U.S. Geological Survey
6700 Edith NE, Suite B
Albuquerque NM 87113
We conducted a designed experiment to test whether having a thermal-imaging camera available affected researchers' nest detection rates when searching for bird nests in cropland and grassland habitat in an agricultural landscape of Iowa, USA, in 2016. With known active nests present, naïve observers searched for nests with and without a thermal imager available. We did not find a difference in detection probabilities, although only a large difference would have been detectable with our sample size. Extraneous heat signatures from reflected solar radiation and dense vegetation were key factors limiting the usefulness of thermal imagers for locating nests.
","language":"English","publisher":"Wildlife Society","doi":"10.1002/wsb.962","usgsCitation":"Stephenson, M.D., Schulte, L.A., and Klaver, R.W., 2019, Quantifying thermal-imager effectiveness for detecting bird nests on farms: Wildlife Society Bulletin, v. 43, no. 2, p. 302-307, https://doi.org/10.1002/wsb.962.","productDescription":"6 p.","startPage":"302","endPage":"307","ipdsId":"IP-096533","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":467657,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doaj.org/article/3dcbf21201564d67b7635dcd669d054d","text":"External Repository"},{"id":395366,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Iowa","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -94.98779296875,\n 41.44272637767212\n ],\n [\n -92.779541015625,\n 41.44272637767212\n ],\n [\n -92.779541015625,\n 42.577354839557856\n ],\n [\n -94.98779296875,\n 42.577354839557856\n ],\n [\n -94.98779296875,\n 41.44272637767212\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"43","issue":"2","noUsgsAuthors":false,"publicationDate":"2019-04-30","publicationStatus":"PW","contributors":{"authors":[{"text":"Stephenson, Matthew D.","contributorId":274318,"corporation":false,"usgs":false,"family":"Stephenson","given":"Matthew","email":"","middleInitial":"D.","affiliations":[{"id":6911,"text":"Iowa State University","active":true,"usgs":false}],"preferred":false,"id":832902,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schulte, Lisa A.","contributorId":274319,"corporation":false,"usgs":false,"family":"Schulte","given":"Lisa","email":"","middleInitial":"A.","affiliations":[{"id":6911,"text":"Iowa State University","active":true,"usgs":false}],"preferred":false,"id":832903,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Klaver, Robert W. 0000-0002-3263-9701 bklaver@usgs.gov","orcid":"https://orcid.org/0000-0002-3263-9701","contributorId":3285,"corporation":false,"usgs":true,"family":"Klaver","given":"Robert","email":"bklaver@usgs.gov","middleInitial":"W.","affiliations":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":832901,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70202643,"text":"ofr20191027 - 2019 - Rigorously valuing the role of U.S. coral reefs in coastal hazard risk reduction","interactions":[],"lastModifiedDate":"2019-04-30T16:00:30","indexId":"ofr20191027","displayToPublicDate":"2019-04-30T10:55:00","publicationYear":"2019","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2019-1027","displayTitle":"Rigorously Valuing the Role of U.S. Coral Reefs in Coastal Hazard Risk Reduction","title":"Rigorously valuing the role of U.S. coral reefs in coastal hazard risk reduction","docAbstract":"The degradation of coastal habitats, particularly coral reefs, raises risks by increasing the exposure of coastal communities to flooding hazards. The protective services of these natural defenses are not assessed in the same rigorous economic terms as artificial defenses, such as seawalls, and therefore often are not considered in decision making. Here we combine engineering, ecologic, geospatial, social, and economic tools to provide a rigorous valuation of the coastal protection benefits of all U.S. coral reefs in the States of Hawaiʻi and Florida, the territories of Guam, American Samoa, Puerto Rico, and Virgin Islands, and the Commonwealth of the Northern Mariana Islands. We follow risk-based valuation approaches to map flood zones at 10-square-meter resolution along all 3,100+ kilometers of U.S. reef-lined shorelines for different storm probabilities to account for the effect of coral reefs in reducing coastal flooding. We quantify the coastal flood risk reduction benefits provided by coral reefs across storm return intervals using the latest information from the U.S. Census Bureau, Federal Emergency Management Agency, and Bureau of Economic Analysis to identify their annual expected benefits, a measure of the annual protection provided by coral reefs. Based on these results, the annual protection provided by U.S. coral reefs is estimated in:
Thus, the annual value of flood risk reduction provided by U.S. coral reefs is more than 18,000 lives and \\$1.805 billion in 2010 U.S. dollars. These data provide stakeholders and decision makers with spatially explicit, rigorous valuation of how, where, and when U.S. coral reefs provide critical coastal storm flood reduction benefits. The overall goal is to ultimately reduce the risk to, and increase the resiliency of, U.S. coastal communities.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20191027","collaboration":"Prepared in cooperation with the University of California Santa Cruz and The Nature Conservancy","usgsCitation":"Storlazzi, C.D., Reguero, B.G., Cole, A.D., Lowe, E., Shope, J.B., Gibbs, A.E., Nickel, B.A., McCall, R.T., van Dongeren, A.R., and Beck, M.W., 2019, Rigorously valuing the role of U.S. coral reefs in coastal hazard risk reduction: U.S. Geological Survey Open-File Report 2019–1027, 42 p., https://doi.org/10.3133/ofr20191027.","productDescription":"Report: vi, 42 p.","numberOfPages":"52","onlineOnly":"Y","additionalOnlineFiles":"Y","ipdsId":"IP-103961","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":363119,"rank":3,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P9KMH2VX","linkHelpText":"Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands, and the Commonwealth of the Northern Mariana Islands"},{"id":363114,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2019/1027/ofr20191027.pdf","text":"Report","size":"10.5 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Open-File Report 2019-1027"},{"id":363113,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2019/1027/coverthb.jpg"}],"country":"United States","state":"American Samoa, Commonwealth of the Northern Mariana Islands, Florida, Guam, Hawaii, Puerto Rico, U.S. Virgin Islands","contact":"Contact Information,
Pacific Coastal and Marine Science Center
U.S. Geological Survey
Pacific Science Center
2885 Mission St.
Santa Cruz, CA 95060
This much is clear: the Arctic is warming fast, and frozen soils are starting to thaw, often for the first time in thousands of years. But how this happens is as murky as the mud that oozes from permafrost when ice melts.
As the temperature of the ground rises above freezing, microorganisms break down organic matter in the soil. Greenhouse gases — including carbon dioxide, methane and nitrous oxide — are released into the atmosphere, accelerating global warming. Soils in the permafrost region hold twice as much carbon as the atmosphere does — almost 1,600 billion tonnes1.
What fraction of that will decompose? Will it be released suddenly, or seep out slowly? We need to find out.
Current models of greenhouse-gas release and climate assume that permafrost thaws gradually from the surface downwards. Deeper layers of organic matter are exposed over decades or even centuries, and some models are beginning to track these slow changes.
But models are ignoring an even more troubling problem. Frozen soil doesn’t just lock up carbon — it physically holds the landscape together. Across the Arctic and Boreal regions, permafrost is collapsing suddenly as pockets of ice within it melt. Instead of a few centimetres of soil thawing each year, several metres of soil can become destabilized within days or weeks. The land can sink and be inundated by swelling lakes and wetlands.
Abrupt thawing of permafrost is dramatic to watch. Returning to field sites in Alaska, for example, we often find that lands that were forested a year ago are now covered with lakes2. Rivers that once ran clear are thick with sediment. Hillsides can liquefy, sometimes taking sensitive scientific equipment with them.
This type of thawing is a serious problem for communities living around the Arctic (see ‘Arctic permafrost’). Roads buckle, houses become unstable. Access to traditional foods is changing, because it is becoming dangerous to travel across the land to hunt. Families cannot reach lines of game traps that have supported them for generations.
","language":"English","publisher":"Nature","doi":"10.1038/d41586-019-01313-4","usgsCitation":"Turetsky, M.R., Abbott, B., Jones, M., Walter Anthony, K., Olefeldt, D., Schuur, E.A., Koven, C., McGuire, A., Grosse, G., Kuhry, P., Gustaf Hugelius, Lawrence, D.M., Gibson, C., and Sannel, A.B., 2019, Permafrost collapse is accelerating carbon release: Nature, v. 569, p. 32-34, https://doi.org/10.1038/d41586-019-01313-4.","productDescription":"3 p.","startPage":"32","endPage":"34","ipdsId":"IP-105217","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"links":[{"id":467658,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1038/d41586-019-01313-4","text":"Publisher Index Page"},{"id":366474,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Arctic","volume":"569","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationDate":"2019-04-30","publicationStatus":"PW","contributors":{"authors":[{"text":"Turetsky, Merritt R.","contributorId":169398,"corporation":false,"usgs":false,"family":"Turetsky","given":"Merritt","email":"","middleInitial":"R.","affiliations":[{"id":12660,"text":"University of Guelph","active":true,"usgs":false}],"preferred":false,"id":768155,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Abbott, Benjamin W.","contributorId":218049,"corporation":false,"usgs":false,"family":"Abbott","given":"Benjamin W.","affiliations":[{"id":6681,"text":"Brigham Young University","active":true,"usgs":false}],"preferred":false,"id":768154,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jones, Miriam 0000-0002-6650-7619","orcid":"https://orcid.org/0000-0002-6650-7619","contributorId":201994,"corporation":false,"usgs":true,"family":"Jones","given":"Miriam","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":false,"id":768153,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Walter Anthony, Katey","contributorId":192911,"corporation":false,"usgs":false,"family":"Walter Anthony","given":"Katey","affiliations":[],"preferred":false,"id":768156,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Olefeldt, David","contributorId":169408,"corporation":false,"usgs":false,"family":"Olefeldt","given":"David","affiliations":[{"id":32365,"text":"Department of Renewable Resources, University of Alberta","active":true,"usgs":false}],"preferred":false,"id":768157,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Schuur, Edward A.","contributorId":218050,"corporation":false,"usgs":false,"family":"Schuur","given":"Edward","email":"","middleInitial":"A.","affiliations":[{"id":12698,"text":"Northern Arizona University","active":true,"usgs":false}],"preferred":false,"id":768158,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Koven, Charles","contributorId":218051,"corporation":false,"usgs":false,"family":"Koven","given":"Charles","affiliations":[{"id":39617,"text":"Lawrence Berkeley National Lab","active":true,"usgs":false}],"preferred":false,"id":768159,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"McGuire, A.D.","contributorId":199633,"corporation":false,"usgs":false,"family":"McGuire","given":"A.D.","email":"","affiliations":[],"preferred":false,"id":768160,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Grosse, Guido","contributorId":101475,"corporation":false,"usgs":true,"family":"Grosse","given":"Guido","affiliations":[{"id":34291,"text":"University of Potsdam, Germany","active":true,"usgs":false}],"preferred":false,"id":768183,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Kuhry, Peter","contributorId":9513,"corporation":false,"usgs":true,"family":"Kuhry","given":"Peter","affiliations":[{"id":24562,"text":"Stockholm University","active":true,"usgs":false}],"preferred":false,"id":768184,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Gustaf Hugelius","contributorId":199595,"corporation":false,"usgs":false,"family":"Gustaf Hugelius","affiliations":[],"preferred":false,"id":768185,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Lawrence, David M.","contributorId":105206,"corporation":false,"usgs":false,"family":"Lawrence","given":"David","email":"","middleInitial":"M.","affiliations":[{"id":7166,"text":"Johns Hopkins University Applied Physics Laboratory","active":true,"usgs":false}],"preferred":false,"id":768186,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Gibson, Carolyn","contributorId":218061,"corporation":false,"usgs":false,"family":"Gibson","given":"Carolyn","email":"","affiliations":[],"preferred":false,"id":768187,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Sannel, A. B. K.","contributorId":38450,"corporation":false,"usgs":false,"family":"Sannel","given":"A.","email":"","middleInitial":"B. K.","affiliations":[],"preferred":false,"id":768188,"contributorType":{"id":1,"text":"Authors"},"rank":14}]}} ,{"id":70202757,"text":"70202757 - 2019 - The Appalachian Geo-STEM Camp: Learning about geology through experiential adventure recreation","interactions":[],"lastModifiedDate":"2020-12-15T21:53:49.374112","indexId":"70202757","displayToPublicDate":"2019-04-30T10:15:09","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3192,"text":"Professional Geologist","active":true,"publicationSubtype":{"id":10}},"title":"The Appalachian Geo-STEM Camp: Learning about geology through experiential adventure recreation","docAbstract":"The inaugural Appalachian Geo-STEM Camp (AGC) was a partnership between West Virginia University (WVU), the U.S. Geological Survey (USGS) and the West Virginia Geological and Economic Survey (WVGES). Designed to engage high school students in geoscience-oriented Science, Technology, Engineering and Mathematics (STEM) activities through adventure-based outdoor recreation, the inaugural AGC took place in June 2018, with its base operations at the WVU Natural Resources Center (NRC), located northeast of Morgantown, West Virginia. The goals of the AGC are to increase the knowledge of the teenaged campers about the geological formations and biodiversity in the region, to acquaint them with geologic mapping technology used by USGS, WVGES, and WVU, and to foster interest in STEM-based careers. Nine students participated, with a cadre from the USGS, WVGES, and WVU teaching lessons in local geology and ecology. Inaugural-year efforts were focused on development and logistics of the camp and what activities best complimented the STEM research. Post-evaluations by the participants were generally favorable. Year-two goals are to fully develop a curriculum, and conduct a thorough pre-camp and post-camp participant survey to quantify learning objectives and guide the sustainability of the effort.","language":"English","publisher":"American Institute of Professional Geologists","usgsCitation":"Burns, R., Carter, M.W., Brock, J., Leveque, J., Bunse, E., Palaseanu-Lovejoy, M., Guala, G.F., Harlan, N., Blake, M., Moreira, J., Britton, J., Ashton, K., Nugent, B., and Marketti, M., 2019, The Appalachian Geo-STEM Camp: Learning about geology through experiential adventure recreation: Professional Geologist, v. 56, p. 27-31.","productDescription":"5 p.","startPage":"27","endPage":"31","ipdsId":"IP-099531","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":245,"text":"Eastern Mineral and Environmental Resources Science 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Center","active":true,"usgs":true}],"preferred":true,"id":759846,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Guala, Gerald F. 0000-0002-4972-3782 gguala@usgs.gov","orcid":"https://orcid.org/0000-0002-4972-3782","contributorId":206063,"corporation":false,"usgs":true,"family":"Guala","given":"Gerald","email":"gguala@usgs.gov","middleInitial":"F.","affiliations":[{"id":208,"text":"Core Science Analytics and Synthesis","active":true,"usgs":true},{"id":5069,"text":"Office of the AD Core Science Systems","active":true,"usgs":true}],"preferred":true,"id":759847,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Harlan, Nathan","contributorId":214417,"corporation":false,"usgs":false,"family":"Harlan","given":"Nathan","email":"","affiliations":[{"id":39040,"text":"Harlan, Nathan, West Virginia University, Outdoor Adventure, Morgantown, WV","active":true,"usgs":false}],"preferred":false,"id":759849,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Blake, Mitchel","contributorId":214418,"corporation":false,"usgs":false,"family":"Blake","given":"Mitchel","email":"","affiliations":[{"id":39041,"text":"West Virginia Geological and Economic Survey, Morgantown, WV","active":true,"usgs":false}],"preferred":false,"id":759850,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Moreira, Jasmine","contributorId":214419,"corporation":false,"usgs":false,"family":"Moreira","given":"Jasmine","email":"","affiliations":[{"id":39042,"text":"WVU Davis College of Agriculture, Natural Resources and Design, Morgantown, WV","active":true,"usgs":false}],"preferred":false,"id":759851,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Britton, Jim","contributorId":214421,"corporation":false,"usgs":false,"family":"Britton","given":"Jim","email":"","affiliations":[{"id":39041,"text":"West Virginia Geological and Economic Survey, Morgantown, WV","active":true,"usgs":false}],"preferred":false,"id":759853,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Ashton, Kenny","contributorId":214422,"corporation":false,"usgs":false,"family":"Ashton","given":"Kenny","email":"","affiliations":[{"id":39041,"text":"West Virginia Geological and Economic Survey, Morgantown, WV","active":true,"usgs":false}],"preferred":false,"id":759854,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Nugent, Barnes","contributorId":214420,"corporation":false,"usgs":false,"family":"Nugent","given":"Barnes","email":"","affiliations":[{"id":39041,"text":"West Virginia Geological and Economic Survey, Morgantown, WV","active":true,"usgs":false}],"preferred":false,"id":759852,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Marketti, Michael 0000-0002-9696-5573 mmarketti@usgs.gov","orcid":"https://orcid.org/0000-0002-9696-5573","contributorId":107,"corporation":false,"usgs":true,"family":"Marketti","given":"Michael","email":"mmarketti@usgs.gov","affiliations":[{"id":412,"text":"National Cooperative Geologic Mapping Program","active":false,"usgs":true}],"preferred":true,"id":759855,"contributorType":{"id":1,"text":"Authors"},"rank":14}]}} ,{"id":70215770,"text":"70215770 - 2019 - Cryptic introduction of water chestnut (Trapa) in the northeastern United States","interactions":[],"lastModifiedDate":"2020-10-30T13:10:20.788885","indexId":"70215770","displayToPublicDate":"2019-04-30T08:04:42","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":861,"text":"Aquatic Botany","active":true,"publicationSubtype":{"id":10}},"title":"Cryptic introduction of water chestnut (Trapa) in the northeastern United States","docAbstract":"Trapa natans, characterized by four-horned fruits, has been recognized as an introduced species in the northeastern United States since the 1920′s. However, in 2014 a two-horned morphotype of Trapa was discovered in the Potomac River in Virginia. As such, we hypothesize the two-horned variety represents a cryptic introduction of a Trapa taxon distinct from the four-horned T. natans previously identified in North America. We tested this hypothesis by genotyping 129 amplified fragment length polymorphism loci for 304 Trapa individuals collected from across the Northeast US and several populations from Asia and Africa. The two-horned and four-horned morphotypes in the northeastern US were found to be genetically and morphologically distinct. The two-horned Trapa taxon was most genetically and morphologically similar to samples from Taiwan identified as T. bispinosa Roxb. var iinumai Nakano. The four-horned Trapa taxon previously identified as T. natans was most genetically and morphologically similar to T. natans collected from Japan, but were genetically distinct. Therefore, it is likely that the US four-horned Trapa was introduced from somewhere outside of Japan, an unsampled area in Japan, or have genetically diverged since introduction. Distinguishing these two US Trapa taxa will be important for documenting spread and identifying new populations, and for further study on the timing and efficacy of physical, chemical, and biological control options. Our study also highlights the need for a comprehensive geographic survey of Trapa morphology and genetics to clarify the taxonomy.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.aquabot.2019.02.006","usgsCitation":"Chorak, G., Dodd, L., Rybicki, N.B., Ingram, K., Buyukyoruk, M., Kadono, Y., Chen, Y.Y., and Thum, R., 2019, Cryptic introduction of water chestnut (Trapa) in the northeastern United States: Aquatic Botany, v. 155, p. 32-37, https://doi.org/10.1016/j.aquabot.2019.02.006.","productDescription":"6 p.","startPage":"32","endPage":"37","ipdsId":"IP-101162","costCenters":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true}],"links":[{"id":379960,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"155","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Chorak, Greg","contributorId":244129,"corporation":false,"usgs":false,"family":"Chorak","given":"Greg","email":"","affiliations":[{"id":36555,"text":"Montana State University","active":true,"usgs":false}],"preferred":false,"id":803367,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dodd, Lynde","contributorId":244130,"corporation":false,"usgs":false,"family":"Dodd","given":"Lynde","affiliations":[{"id":48850,"text":"USACE | ERDC | EL |Aquatic Ecology and Invasive Species Branch Lewisville Aquatic 9 Ecosystem Research Facility","active":true,"usgs":false}],"preferred":false,"id":803368,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rybicki, Nancy B. 0000-0002-2205-7927 nrybicki@usgs.gov","orcid":"https://orcid.org/0000-0002-2205-7927","contributorId":2142,"corporation":false,"usgs":true,"family":"Rybicki","given":"Nancy","email":"nrybicki@usgs.gov","middleInitial":"B.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":803369,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ingram, Kadiera","contributorId":244131,"corporation":false,"usgs":false,"family":"Ingram","given":"Kadiera","affiliations":[{"id":12909,"text":"George Mason University","active":true,"usgs":false}],"preferred":false,"id":803370,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Buyukyoruk, Murat","contributorId":244132,"corporation":false,"usgs":false,"family":"Buyukyoruk","given":"Murat","email":"","affiliations":[{"id":36555,"text":"Montana State University","active":true,"usgs":false}],"preferred":false,"id":803371,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kadono, Yasuro","contributorId":204998,"corporation":false,"usgs":false,"family":"Kadono","given":"Yasuro","email":"","affiliations":[{"id":37018,"text":"University of Kobe, Japan","active":true,"usgs":false}],"preferred":false,"id":803372,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Chen, Yuan Yuan","contributorId":244133,"corporation":false,"usgs":false,"family":"Chen","given":"Yuan","email":"","middleInitial":"Yuan","affiliations":[{"id":48851,"text":"Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China","active":true,"usgs":false}],"preferred":false,"id":803373,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Thum, Ryan","contributorId":150630,"corporation":false,"usgs":false,"family":"Thum","given":"Ryan","email":"","affiliations":[{"id":18056,"text":"3. Plant Sciences and Plant Pathology, Montana State University, Bozeman, MT 59715","active":true,"usgs":false}],"preferred":false,"id":803374,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70202776,"text":"sir20195021 - 2019 - Geology and paleontology of the late Miocene Wilson Grove Formation at Bloomfield Quarry, Sonoma County, California","interactions":[],"lastModifiedDate":"2019-04-30T15:29:56","indexId":"sir20195021","displayToPublicDate":"2019-04-30T07:09:24","publicationYear":"2019","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":"2019-5021","displayTitle":"Geology and Paleontology of the Late Miocene Wilson Grove Formation at Bloomfield Quarry, Sonoma County, California","title":"Geology and paleontology of the late Miocene Wilson Grove Formation at Bloomfield Quarry, Sonoma County, California","docAbstract":"An extensive fauna of at least 77 taxa is reported from the basal Wilson Grove Formation in a small quarry just north of the town of Bloomfield, Sonoma County, California. The fauna represents intertidal to shallow subtidal water depths and water temperatures interpreted from the fauna, consistent with the latitude of the fossil locality (37° north) during the late Miocene. The fauna from Bloomfield Quarry is unusually large and diverse from such a small area. It consists of thousands of specimens of 4 brachiopod, 42 mollusk (28 bivalves and 14 gastropods), 6 arthropod (1 crab, 1 shrimp, and 4 barnacles), and 25 vertebrate (3 sharks, 1 ray, 8 bony fishes, 9 marine mammals, and 4 birds) taxa. Unusual in the fauna is the abundant and diverse brachiopod fauna, the diverse barnacle fauna, which was described previously, and the extensive and diverse vertebrate fauna. Most significant among the vertebrates is the walrus fauna, which is the most diverse assemblage of walrus yet reported worldwide from a single locality.
A single strontium (Sr) isotope age determination of about 8 million years (megaannum, Ma) from a pectinid mollusk is consistent with a new age determination of the overlying, informally named Roblar tuff as described by Sarna-Wojcicki in 1992 (6.203±0.011 Ma) and previously reported age determinations (recalculated here) from basalt (9.27±0.06 Ma) underlying these deposits. The Roblar tuff at Bloomfield Quarry can be correlated with other sites, including the Delgada Fan offshore northern California and the Coalinga anticline in California’s Central Valley. These age determinations conform with the “Jacalitos” California provincial molluscan stage age, the Hemphillian North American Land Mammal age determined from the fossils, and is part of the International Tortonian Stage of the Miocene.
Geology, Minerals, Energy and Geophysics Science Center
U.S. Geological Survey
345 Middlefield Road
Mail Stop 973
Menlo Park, CA 94025
Background: Alternative protein sources to fishmeal in fish feeds are needed.
Objectives: Evaluate rearing performance of adult rainbow trout (Oncorhynchus mykiss) (initial weight 139.0 ±1.5 g, length 232.9 ± 0.8 mm, mean ± SE) fed one of the two isonitrogenous and isocaloric diets (46% protein, 16% lipid) and reared at one of the two levels of exercise (water velocities of either 3.6 cm/s or 33.2 cm/s).
Methods: Protein in the control diet was based on fishmeal. In the experimental diet, bioprocessed soybean meal replaced approximately 60% of the fishmeal. Fish were fed by hand once-per-day to near satiation, and the food was increased daily. The experiment lasted 90-days.
Results: There were no significant differences in gain, percent gain, or specific growth rate between the dietary treatments. However, the amount of food fed and feed conversion ratio was significantly lower in the 60% bioprocessed soybean meal diet. Intestinal morphology, relative fin length, splenosomatic index, hepatosomatic index, and viscerosomatic index were not significantly different in the trout fed either diet. Fish reared at 3.6 cm/s had a significantly lower feed conversion ratio (1.02 ± 0.02) than fish reared at 33.2 cm/s (1.13 ± 0.02). However, there were no significant differences in gain, percent gain, specific growth rate, or percentage mortality in fish reared with or without exercise. No significant interactions were observed between diet and exercise (higher water velocity).
Conclusion:Based on these results, at least 60% of the fishmeal in adult rainbow trout diets can be replaced by bioprocessed soybean meal, even if higher water velocities are used to exercise the fish.
","language":"English","publisher":"Bentham Open","doi":"10.2174/1874196701907010001","usgsCitation":"Jill M. Voorhees, Barnes, M.E., Chipps, S.R., and Brown, M.L., 2019, Effects of exercise and bioprocessed soybean meal diets during rainbow trout rearing: The Open Biology Journal, v. 7, p. 1-13, https://doi.org/10.2174/1874196701907010001.","productDescription":"13 p.","startPage":"1","endPage":"13","ipdsId":"IP-097773","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":467659,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2174/1874196701907010001","text":"Publisher Index Page"},{"id":395660,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Jill M. Voorhees","contributorId":275091,"corporation":false,"usgs":false,"family":"Jill M. Voorhees","affiliations":[{"id":37104,"text":"South Dakota Department of Game, Fish and Parks","active":true,"usgs":false}],"preferred":false,"id":833631,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Barnes, Michael E.","contributorId":275092,"corporation":false,"usgs":false,"family":"Barnes","given":"Michael","email":"","middleInitial":"E.","affiliations":[{"id":56698,"text":"South Dakota Department of Game, Fish, and Parks","active":true,"usgs":false}],"preferred":false,"id":833632,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Chipps, Steven R. 0000-0001-6511-7582 steve_chipps@usgs.gov","orcid":"https://orcid.org/0000-0001-6511-7582","contributorId":2243,"corporation":false,"usgs":true,"family":"Chipps","given":"Steven","email":"steve_chipps@usgs.gov","middleInitial":"R.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":833633,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Brown, Michael L.","contributorId":275093,"corporation":false,"usgs":false,"family":"Brown","given":"Michael","email":"","middleInitial":"L.","affiliations":[{"id":5089,"text":"South Dakota State University","active":true,"usgs":false}],"preferred":false,"id":833634,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70202350,"text":"sir20185105 - 2019 - Hydrologic Influences on Water Levels at Three Oaks Recreation Area, Crystal Lake, Illinois, April 14 through September 27, 2016","interactions":[],"lastModifiedDate":"2019-04-30T12:50:01","indexId":"sir20185105","displayToPublicDate":"2019-04-29T15:30:00","publicationYear":"2019","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":"2018-5105","displayTitle":"Hydrologic Influences on Water Levels at Three Oaks Recreation Area, Crystal Lake, Illinois, April 14 through September 27, 2016","title":"Hydrologic Influences on Water Levels at Three Oaks Recreation Area, Crystal Lake, Illinois, April 14 through September 27, 2016","docAbstract":"Hydrologic influences on water levels were investigated at Three Oaks Recreation Area (TORA), a former sand-and-gravel quarry converted into recreational lakes in Crystal Lake, Illinois. From 2009 to 2015, average water levels in the lakes declined nearly 4 feet. It was not clear if these declines were related to variations in weather (precipitation or evaporation) or other hydrologic influences such as municipal supply pumping or nearby quarry operations. Data were collected using three approaches to determine the possibility of such hydrologic influences. First, water levels were collected at 15 minute intervals at three wells equipped with pressure transducers from April 14 through September 27, 2016. The continuous data allowed assessment of lake and well water level responses to precipitation, pumping influences, and quarry operations. Second, a single-day synoptic water-level survey was completed to create a water table map to determine groundwater flow directions. Third, single-well aquifer tests (slug tests) were completed on the three data-collection wells to estimate the aquifer’s horizontal hydraulic conductivity. Collectively, these data were used to determine the velocity and volume of water entering and exiting TORA.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston VA","doi":"10.3133/sir20185105","collaboration":"Prepared in cooperation with the City of Crystal Lake, Illinois","usgsCitation":"Gahala, A.M., 2019, Hydrologic influences on water levels at Three Oaks Recreation Area, Crystal Lake, Illinois, April 14 through September 27, 2016: U.S. Geological Survey Scientific Investigations Report 2019–5105, 22 p., https://doi.org/10.3133/sir20185105.","productDescription":"Report: vii, 22 p.; Data Release","numberOfPages":"34","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-082111","costCenters":[{"id":36532,"text":"Central Midwest Water Science Center","active":true,"usgs":true}],"links":[{"id":437479,"rank":4,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P9SA4LZZ","text":"USGS data release","linkHelpText":"Water level test data for groundwater monitoring wells near Three Oaks Recreational Area, Crystal Lake, Illinois"},{"id":362987,"rank":3,"type":{"id":30,"text":"Data Release"},"url":"https://www.sciencebase.gov/catalog/item/5b801758e4b05f6e32194c4b","text":"USGS data release","description":"USGS data release","linkHelpText":"Water Level Test Data for Groundwater Monitoring Wells Near Three Oaks Recreational Area, Crystal Lake, Illinois"},{"id":362986,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2018/5105/sir20185105.pdf","text":"Report","size":"3.05 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2018-5105"},{"id":362985,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2018/5105/coverthb.jpg"}],"country":"United States","state":"Illinois","city":"Crystal Lake","otherGeospatial":"Three Oaks Recreation Area","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -88.32527160644531,\n 42.165184775416826\n ],\n [\n -88.23446273803711,\n 42.165184775416826\n ],\n [\n -88.23446273803711,\n 42.226610675467626\n ],\n [\n -88.32527160644531,\n 42.226610675467626\n ],\n [\n -88.32527160644531,\n 42.165184775416826\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Director, Upper Midwest Water Science Center
U.S. Geological Survey
8505 Research Way
Middleton, Wisconsin 53562
Invading species are most easily eradicated or controlled if detected early and rapid action can be taken, but locating and eradicating small numbers of aquatic invaders is extremely difficult. Bighead carp (Hypophthalmichthys nobilis) and grass carp (Ctenopharyngodon idella) are Asian cyprinids that have been widely introduced and are considered undesirable and detrimental invasive species in many parts of their introduced range. The relatively novel “Judas fish” technique is used to locate aggregations of fish in the wild by strategically releasing individuals equipped with surgically implanted transmitters. However, releasing Judas fish that are capable of reproducing is problematic because it could add to the invasion problem by contributing to recruitment if not recaptured. We thus tested whether surgical ligation and division of the ductus deferens could effectively sterilize adult diploid bighead and grass carp. If effective, surgical sterilization would result in a superior Judas fish by maintaining the reproductive motivation derived from intact gonads while blocking the reproductive potential. This technique was initially successful, but ultimately most individuals were able to recanalize the surgically-severed ducts and produce milt, and were thus potentially able to reproduce during the following spawning season. Thus, ligation and division of the ductus deferens does not seem to be a viable procedure to sterilize bighead carp or grass carp for deployment as Judas fish where long term sterility of the fish is paramount in importance.
","language":"English","publisher":"REABIC","doi":"10.3391/mbi.2019.10.2.05","usgsCitation":"Chapman, D., Milardi, M., and Mann, F.A., 2019, Ligation and division of ductus deferens does not produce long term sterility in most bighead carp or grass carp: Management of Biological Invasions, v. 10, no. 2, p. 285-295, https://doi.org/10.3391/mbi.2019.10.2.05.","productDescription":"11 p.","startPage":"285","endPage":"295","ipdsId":"IP-098613","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":467660,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3391/mbi.2019.10.2.05","text":"Publisher Index Page"},{"id":364739,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Missouri","volume":"10","issue":"2","publishingServiceCenter":{"id":4,"text":"Rolla PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Chapman, Duane 0000-0002-1086-8853 dchapman@usgs.gov","orcid":"https://orcid.org/0000-0002-1086-8853","contributorId":1291,"corporation":false,"usgs":true,"family":"Chapman","given":"Duane","email":"dchapman@usgs.gov","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true},{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"preferred":true,"id":764443,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Milardi, Marco","contributorId":201384,"corporation":false,"usgs":false,"family":"Milardi","given":"Marco","email":"","affiliations":[],"preferred":false,"id":764444,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mann, F. Anthony","contributorId":216293,"corporation":false,"usgs":false,"family":"Mann","given":"F.","email":"","middleInitial":"Anthony","affiliations":[{"id":39390,"text":"Veterinary Health Center, University of Missouri, Columbia, MO","active":true,"usgs":false}],"preferred":false,"id":764445,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70204789,"text":"70204789 - 2019 - Shrews (Eulipotyphla, Soricidae) of Guatemala /Musarañas (Eulipotyphla, Soricidae) de Guatemala","interactions":[],"lastModifiedDate":"2019-08-16T11:51:58","indexId":"70204789","displayToPublicDate":"2019-04-29T11:46:31","publicationYear":"2019","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"title":"Shrews (Eulipotyphla, Soricidae) of Guatemala /Musarañas (Eulipotyphla, Soricidae) de Guatemala","docAbstract":"Shrews (Soricidae) are the only members of the mammalian order Eulipotyphla that occur in Central and South America. In Guatemala, 15 species have been recorded belonging to the genera Cryptotis and Sorex, three of which are new and undescribed. Two additional species are expected to be discovered in the country based on their known distributions. Most species appear to have limited reproduction throughout the year. We review the taxonomy and natural history of these species.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Perspectivas de investigación sobre los mamíferos silvestres de Guatemala: Research Perspectives on the Wild Mammals of Guatemala","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English, Spanish","publisher":"Asociación Guatemalteca de Mastozoólogos","isbn":"9789929726338","usgsCitation":"Matson, J.O., and Woodman, N., 2019, Shrews (Eulipotyphla, Soricidae) of Guatemala /Musarañas (Eulipotyphla, Soricidae) de Guatemala, chap. of Perspectivas de investigación sobre los mamíferos silvestres de Guatemala: Research Perspectives on the Wild Mammals of Guatemala, p. 19-29.","productDescription":"11 p.","startPage":"19","endPage":"29","ipdsId":"IP-107882","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":366609,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Guatemala","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-90.09555,13.73534],[-90.60862,13.90977],[-91.23241,13.92783],[-91.68975,14.12622],[-92.22775,14.53883],[-92.20323,14.8301],[-92.08722,15.06458],[-92.22925,15.25145],[-91.74796,16.06656],[-90.46447,16.06956],[-90.43887,16.41011],[-90.60085,16.47078],[-90.71182,16.68748],[-91.08167,16.91848],[-91.45392,17.25218],[-91.00227,17.25466],[-91.00152,17.81759],[-90.06793,17.81933],[-89.14308,17.80832],[-89.15081,17.01558],[-89.22912,15.88694],[-88.93061,15.88727],[-88.60459,15.70638],[-88.51836,15.85539],[-88.22502,15.72772],[-88.68068,15.34625],[-89.15481,15.06642],[-89.22522,14.87429],[-89.14554,14.67802],[-89.35333,14.42413],[-89.58734,14.36259],[-89.53422,14.24482],[-89.72193,14.13423],[-90.06468,13.88197],[-90.09555,13.73534]]]},\"properties\":{\"name\":\"Guatemala\"}}]}","publishingServiceCenter":{"id":10,"text":"Baltimore PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Matson, John O.","contributorId":218159,"corporation":false,"usgs":false,"family":"Matson","given":"John","email":"","middleInitial":"O.","affiliations":[{"id":36206,"text":"Retired","active":true,"usgs":false}],"preferred":false,"id":768488,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Woodman, Neal 0000-0003-2689-7373 nwoodman@usgs.gov","orcid":"https://orcid.org/0000-0003-2689-7373","contributorId":3547,"corporation":false,"usgs":true,"family":"Woodman","given":"Neal","email":"nwoodman@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":768487,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70203070,"text":"ofr20191040 - 2019 - Identification of single nucleotide polymorphisms for use in a genetic stock identification system for greater white-fronted goose (Anser albifrons) subspecies wintering in California","interactions":[],"lastModifiedDate":"2019-04-30T15:03:39","indexId":"ofr20191040","displayToPublicDate":"2019-04-29T09:58:36","publicationYear":"2019","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2019-1040","displayTitle":"Identification of Single Nucleotide Polymorphisms for Use in a Genetic Stock Identification System for Greater White-Fronted Goose (Anser albifrons) Subspecies Wintering in California","title":"Identification of single nucleotide polymorphisms for use in a genetic stock identification system for greater white-fronted goose (Anser albifrons) subspecies wintering in California","docAbstract":"California provides wintering habitat for most greater white-fronted geese (Anser albifrons [GWFG]) in the Pacific Flyway and this population has rapidly increased since the 1980s. Increased harvest of GWFG wintering in California may prevent agricultural depredation while providing increased hunting opportunities. However, changes in harvest levels are unlikely to be uniform across the species because of the presence of multiple subspecies of GWFG in the Pacific Flyway, each with their own population distribution and trends. White-fronted geese in the Cook Inlet Basin of south-central Alaska, a potentially vulnerable subspecies (Tule goose, A. a. elgasi), are among the geese that winter predominantly in the Sacramento Valley and Suisun and Napa marshes of north-central California. Efforts to limit sport harvest of Tule geese are complicated because although the subspecies is phenotypically larger and darker in color than other subspecies, they can be difficult to identify in the field and in hunter bag checks. To assist in an accurate assessment of Tule goose harvest, we used double-digest restriction site-associated deoxyribonucleic acid sequencing (ddRAD-seq) techniques to develop a genetic stock identification panel of single nucleotide polymorphisms (SNPs) to differentiate Tule geese from individuals belonging to other GWFG subspecies and populations that winter in California. Although the panel we developed was designed and tested for Fluidigm SNP-type technology, the ddRAD-seq sequences can be used to design SNP panels for use in other platforms.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20191040","collaboration":"Prepared in cooperation with the California Department of Fish and Wildlife","usgsCitation":"Wilson, R.E., Sonsthagen, S.A., DaCosta, J.M., Ely, C.R., Sorenson, M.D., and Talbot, S.L., 2019, Identification of single nucleotide polymorphisms for use in a genetic stock identification system for greater white-fronted goose (Anser albifrons) subspecies wintering in California: U.S. Geological Survey Open-File Report 2019-1040, 18 p., https://doi.org/10.3133/ofr20191040.","productDescription":"Report: iv, 18 p.; Data Release","numberOfPages":"26","onlineOnly":"Y","ipdsId":"IP-106743","costCenters":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"links":[{"id":363313,"rank":3,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P9LYUFRH","text":"USGS data report","description":"USGS Data Report","linkHelpText":"Development of Single Nucleotide Polymorphisms (SNPs) in Greater-White Fronted Geese (Anser albifrons) for genetic stock identification on wintering grounds, 2019"},{"id":363317,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2019/1040/coverthb.jpg"},{"id":363318,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2019/1040/ofr20191040.pdf","text":"Report","size":"2.5 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 2019-1040"}],"country":"United States","state":"Alaska, California","contact":"Director, Alaska Science Center
U.S. Geological Survey
4210 University Drive
Anchorage, Alaska 99508
During the last 50 years, construction of dams in the western United States declined. This is partly because of increasing recognition of diverse and unintended social-ecological consequences of dams. Today, resource managers are recognizing the wide array of tradeoffs and are including a more diverse group of stakeholders in decision making for individual dams. Yet decisions at the regional scale maintain a focus on a limited number of resources and objectives, leading to inefficient and inequitable outcomes. Social-ecological changes compounded by climate change challenge this management paradigm. Increasing water demands for humans and the environment and renewed interest in hydropower present opportunities for operations that include climate change mitigation and adaptation strategies while considering tradeoffs and equitable responses at the regional scale.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.cosust.2019.04.002","usgsCitation":"Bair, L.S., Yackulic, C.B., Schmidt, J.C., Perry, D.M., Kirchhoff, C.J., Chief, K., and Colombi, B.J., 2019, Incorporating social-ecological considerations into basin-wide responses to climate change in the Colorado River Basin: Current Opinion in Environmental Sustainability, v. 37, p. 14-19, https://doi.org/10.1016/j.cosust.2019.04.002.","productDescription":"6 p.","startPage":"14","endPage":"19","ipdsId":"IP-106843","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":467663,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.cosust.2019.04.002","text":"Publisher Index Page"},{"id":364187,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Colorado River Basin","volume":"37","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Bair, Lucas S. 0000-0002-9911-3624 lbair@usgs.gov","orcid":"https://orcid.org/0000-0002-9911-3624","contributorId":5270,"corporation":false,"usgs":true,"family":"Bair","given":"Lucas","email":"lbair@usgs.gov","middleInitial":"S.","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":763325,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Yackulic, Charles B. 0000-0001-9661-0724 cyackulic@usgs.gov","orcid":"https://orcid.org/0000-0001-9661-0724","contributorId":4662,"corporation":false,"usgs":true,"family":"Yackulic","given":"Charles","email":"cyackulic@usgs.gov","middleInitial":"B.","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":763326,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schmidt, John C.","contributorId":207751,"corporation":false,"usgs":false,"family":"Schmidt","given":"John","email":"","middleInitial":"C.","affiliations":[{"id":37627,"text":"Department of Watershed Sciences, Utah State University, Logan, UT, USA","active":true,"usgs":false}],"preferred":false,"id":763327,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Perry, Denielle M.","contributorId":215885,"corporation":false,"usgs":false,"family":"Perry","given":"Denielle","email":"","middleInitial":"M.","affiliations":[{"id":39324,"text":"School of Earth and Sustainability, Northern Arizona University, Flagstaff, Arizona 86011, USA","active":true,"usgs":false}],"preferred":false,"id":763328,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kirchhoff, Christine J.","contributorId":215886,"corporation":false,"usgs":false,"family":"Kirchhoff","given":"Christine","email":"","middleInitial":"J.","affiliations":[{"id":39325,"text":"Connecticut Institute for Resilience and Climate Adaptation, Civil and Environmental Engineering, University of Connecticut, Storrs, Connecticut 06269, USA","active":true,"usgs":false}],"preferred":false,"id":763329,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Chief, Karletta","contributorId":147055,"corporation":false,"usgs":false,"family":"Chief","given":"Karletta","email":"","affiliations":[{"id":6624,"text":"University of Arizona, Laboratory of Tree-Ring Research","active":true,"usgs":false}],"preferred":false,"id":763330,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Colombi, Benedict J.","contributorId":215887,"corporation":false,"usgs":false,"family":"Colombi","given":"Benedict","email":"","middleInitial":"J.","affiliations":[{"id":39326,"text":"School of Anthropology, University of Arizona, Tucson, Arizona 85721, USA","active":true,"usgs":false}],"preferred":false,"id":763331,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70203966,"text":"70203966 - 2019 - China’s domestic and foreign influence in the global cobalt supply chain","interactions":[],"lastModifiedDate":"2019-06-25T10:15:19","indexId":"70203966","displayToPublicDate":"2019-04-28T10:10:03","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3266,"text":"Resources Policy","active":true,"publicationSubtype":{"id":10}},"title":"China’s domestic and foreign influence in the global cobalt supply chain","docAbstract":"In addition to increasing interest in the supply risk of minerals produced in China, there is also concern that China’s efforts to mitigate mineral supply risk—through foreign direct investment—may limit mineral availability for other countries in the short-term (due to production capacity constraints). However, little is publicly known about the quantity of global mineral production that is subject to Chinese ownership-influence or how this influence may mitigate China’s import reliance for mineral commodities. In this analysis, we estimate China’s ownership-share of foreign production for cobalt mine and intermediate materials (in the year 2016), as well as the net import reliance of China’s cobalt refinery industry—which is then adjusted to reflect China’s ownership-share of foreign production. First, we find that China’s foreign cobalt ownership is predominantly in the Democratic Republic of the Congo, the largest source of cobalt mine and intermediate imports for China’s growing cobalt refinery industry. Second, foreign direct investment provided China with ownership-influence over roughly 29% of its cobalt mine and intermediate imports in 2016—which may have reduced the exposure of China’s refinery industry to supply risk from a net import reliance of 97% (on cobalt mine and intermediate materials) to an adjusted net import reliance of 68%. Third, China’s global production share jumps from 2% to 14% (for cobalt mine material) and from 11% to 33% (for cobalt intermediate material) when China’s foreign ownership production share is added to China’s domestic production share. Fourth, over time China’s foreign direct investment appears to have targeted facilities with progressively larger cobalt production capacities. Finally, China’s global production share increases as cobalt material moves downstream (i.e. mine, 14%; intermediate, 33%; refined, 50% in 2016). If a primary motivation of China’s Going Out Strategy is to secure natural resources, then China’s global production share may be reserved for Chinese manufacturers. This analysis may, therefore, indicate that critical mineral availability and supply risk (for countries other than China) may not be confined to minerals produced in China.","language":"English","publisher":"Elsevier","doi":"10.1016/j.resourpol.2019.03.015","usgsCitation":"Gulley, A.L., McCullough, E., and Shedd, K., 2019, China’s domestic and foreign influence in the global cobalt supply chain: Resources Policy, v. 62, p. 317-323, https://doi.org/10.1016/j.resourpol.2019.03.015.","productDescription":"7 p.","startPage":"317","endPage":"323","ipdsId":"IP-104205","costCenters":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true},{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":467664,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.resourpol.2019.03.015","text":"Publisher Index 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PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Gulley, Andrew L. 0000-0003-4717-2080","orcid":"https://orcid.org/0000-0003-4717-2080","contributorId":203953,"corporation":false,"usgs":true,"family":"Gulley","given":"Andrew","email":"","middleInitial":"L.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true},{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"preferred":true,"id":765009,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McCullough, Erin 0000-0002-9072-7021","orcid":"https://orcid.org/0000-0002-9072-7021","contributorId":216551,"corporation":false,"usgs":false,"family":"McCullough","given":"Erin","affiliations":[{"id":39473,"text":"Federal Energy Regulation Commission (Previously USGS-NMIC)","active":true,"usgs":false}],"preferred":false,"id":765010,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Shedd, Kim 0000-0001-7135-6029 kshedd@usgs.gov","orcid":"https://orcid.org/0000-0001-7135-6029","contributorId":216552,"corporation":false,"usgs":true,"family":"Shedd","given":"Kim","email":"kshedd@usgs.gov","affiliations":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"preferred":true,"id":765011,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70231265,"text":"70231265 - 2019 - Induced seismicity reduces seismic hazard?","interactions":[],"lastModifiedDate":"2022-05-04T15:01:54.765642","indexId":"70231265","displayToPublicDate":"2019-04-28T09:51:02","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Induced seismicity reduces seismic hazard?","docAbstract":"Earthquakes caused by human activities have been observed for decades. Often these are related to industrial activities pumping fluids into deep geologic formations, like with wastewater disposal. The simplest theory connecting these processes to earthquakes is straightforward: injection leads to fluid pressure changes that either reduce the strength of preexisting faults or generate new faults. In practice, the conditions that lead to induced earthquakes are not always clear in ways that can be generalized. Kao et al. (2018, https://doi.org/10.1029/2018GL079288) show how the distribution of induced earthquakes in Western Canada relate to natural rates of deformation in the crust. Using these new results, they discuss an intriguing paradox: induced seismicity can cause short-term increases in the seismic hazard that are followed by a period of reduced seismic hazard. Such hazard-reducing scenarios are plausible but hinge upon simplifying assumptions about how the crust stores and releases strain energy in the form of earthquakes.
The United States Geological Survey (USGS) is a member of a U.S. Department of Energy-funded partnership headed by the University of Texas Bureau of Economic Geology that is working to assess the feasibility of offshore geologic carbon dioxide (CO2) storage in the Gulf of Mexico. The role of the USGS is to assess the buoyant geologic CO2 storage resource of the western half of the offshore Gulf of Mexico (GoM). Buoyant CO2 storage is the CO2 held in place by a top and lateral seal (either a sealing formation or a sealing fault), that creates a column of CO2 in communication across pore space in a geologic reservoir. This assessment will be similar to the USGS assessment of onshore buoyant geologic CO2 storage [1] and will employ a modified version of existing USGS methodology [2] to assess the buoyant CO2 storage capacity in the GoM.
River networks have the potential to permanently remove nitrogen through denitrification. Few studies have measured denitrification rates within an entire river network or assessed how land use affect rates at larger spatial scales. We sampled 108 sites throughout the network of the Fox River watershed, Wisconsin, to determine if land use influence sediment denitrification rates, and to identify zones of elevated sediment denitrification rates (hot spots) within the river network. Partial least squares regression models identified variables from four levels of organization (river bed sediment, water column, riparian zone, and watershed) that best predicted denitrification rates throughout the river network. Nitrate availability was the most important predictor of denitrification rates, while land cover was not always a good predictor of local-scale nitrate concentrations. Thus, land cover and denitrification rate were not strongly related across the Fox River watershed. A direct relationship between denitrification rate and watershed land cover occurred only in the Wolf River sub-watershed, the least anthropogenically disturbed of the sub-watersheds. Denitrification hot spots were located throughout the river network, regardless of watershed land use, with hot spot location being determined primarily by nitrate availability. In the Fox River watershed, when nitrate was abundant, river bed sediment character influenced denitrification rate, with higher denitrification rates at sites with fine, organic sediments. These findings suggest that denitrification occurring throughout an entire river network, from headwater streams to larger rivers, can help reduce nitrogen loads to downstream water bodies.
","language":"English","publisher":"Springer","doi":"10.1007/s10533-019-00565-6","usgsCitation":"Kreiling, R., Richardson, W.B., Bartsch, L., Thoms, M.C., and Christensen, V.G., 2019, Denitrification in the river network of a mixed land use watershed: Unpacking the complexities: Biogeochemistry, v. 143, p. 327-346, https://doi.org/10.1007/s10533-019-00565-6.","productDescription":"20 p.","startPage":"327","endPage":"346","numberOfPages":"20","ipdsId":"IP-096829","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":437480,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P93RTNVY","text":"USGS data release","linkHelpText":"Great Lakes Restoration Initiative Project 49 Fox River Basin 2016 and 2017 Data"},{"id":374060,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Wisconsin","otherGeospatial":"Fox River watershed","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -89.8736572265625,\n 43.45690646829029\n ],\n [\n -87.6873779296875,\n 43.45690646829029\n ],\n [\n -87.6873779296875,\n 45.79816953017265\n ],\n [\n -89.8736572265625,\n 45.79816953017265\n ],\n [\n -89.8736572265625,\n 43.45690646829029\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"143","noUsgsAuthors":false,"publicationDate":"2019-04-27","publicationStatus":"PW","contributors":{"authors":[{"text":"Kreiling, Rebecca 0000-0002-9295-4156 rkreiling@usgs.gov","orcid":"https://orcid.org/0000-0002-9295-4156","contributorId":147679,"corporation":false,"usgs":true,"family":"Kreiling","given":"Rebecca","email":"rkreiling@usgs.gov","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":787291,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Richardson, William B. 0000-0002-7471-4394 wrichardson@usgs.gov","orcid":"https://orcid.org/0000-0002-7471-4394","contributorId":3277,"corporation":false,"usgs":true,"family":"Richardson","given":"William","email":"wrichardson@usgs.gov","middleInitial":"B.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":787292,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bartsch, Lynn A. 0000-0002-1483-4845 lbartsch@usgs.gov","orcid":"https://orcid.org/0000-0002-1483-4845","contributorId":149360,"corporation":false,"usgs":true,"family":"Bartsch","given":"Lynn A.","email":"lbartsch@usgs.gov","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":true,"id":787293,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Thoms, Martin C. 0000-0002-8074-0476","orcid":"https://orcid.org/0000-0002-8074-0476","contributorId":145710,"corporation":false,"usgs":false,"family":"Thoms","given":"Martin","email":"","middleInitial":"C.","affiliations":[{"id":16205,"text":"Riverine Landscapes Research Laboratory, University of New England, NSW, Australia","active":true,"usgs":false}],"preferred":false,"id":787294,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Christensen, Victoria G. 0000-0003-4166-7461 vglenn@usgs.gov","orcid":"https://orcid.org/0000-0003-4166-7461","contributorId":2354,"corporation":false,"usgs":true,"family":"Christensen","given":"Victoria","email":"vglenn@usgs.gov","middleInitial":"G.","affiliations":[{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true}],"preferred":true,"id":787295,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70203725,"text":"70203725 - 2019 - Gas hydrate production testing – Knowledge gained","interactions":[],"lastModifiedDate":"2019-06-06T14:13:06","indexId":"70203725","displayToPublicDate":"2019-04-26T14:12:35","publicationYear":"2019","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Gas hydrate production testing – Knowledge gained","docAbstract":"Since their initial discovery in the 1960’s, gas hydrates have been considered to be an important potential source of unconventional natural gas. Significant progress has been made relative to our understanding of the geologic and engineering controls on the ultimate energy potential of gas hydrate; however, more work is required to realize the promise of gas hydrates as a future energy source. Gas hydrates have been encountered, recovered or inferred to exist in numerous sedimentary basins in Arctic permafrost settings, regions of alpine permafrost, marine sediments of outer continental margins and in deep lakes. Despite the great abundance of potential gas hydrate resources in the world, a large portion of these resources reside in clay-rich sediments and fracture dominated reservoir systems, and are not generally considered producible with existing technology, but may have future potential with the emergence of new technologies. For a large portion of the world, gas hydrate in sand reservoirs have become a viable production target and the focus of the first production testing efforts.\n\nProduction tests in Arctic Canada (Mackenzie Delta) and Alaska have shown that gas can be produced from highly-concentrated gas hydrate accumulations in coarse-grained (i.e., sand rich) reservoir systems with conventional production technologies. Production can be achieved through the depressurization method and by more complex methods such as molecular substitution (e.g., CO2-CH4 exchange). In 2013, the gas hydrate production test was conducted in a marine setting in the offshore of Japan. An additional test was conducted in Japan in 2017 to further evaluate alternative well completion technologies. Also in 2018, China initiated a 60-day gas hydrate production test in the Shenhu region of the South China Sea.\n\nThis report reviews the results of gas hydrate engineering and production testing studies associated with the Mallik, Mount Elbert, and Iġnik Sikumi projects in northern Canada and Alaska. The results of the marine gas hydrate producing testing efforts in the Nankai Trough (Japan) and in the South China Sea (China) are also summarized","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Proceedings of the Offshore Technology Conference","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"Offshore Technology Conference","conferenceDate":"May 6-9, 2019","conferenceLocation":"Houston, Texas","language":"English","publisher":"Offshore Technology Conference","doi":"10.4043/29516-MS","usgsCitation":"Collett, T.S., 2019, Gas hydrate production testing – Knowledge gained, in Proceedings of the Offshore Technology Conference, Houston, Texas, May 6-9, 2019, 16 p., https://doi.org/10.4043/29516-MS.","productDescription":"16 p.","ipdsId":"IP-105605","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":364468,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":364464,"type":{"id":15,"text":"Index Page"},"url":"https://doi.org/10.4043/29516-MS"}],"publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2019-04-26","publicationStatus":"PW","contributors":{"authors":[{"text":"Collett, Timothy S. 0000-0002-7598-4708 tcollett@usgs.gov","orcid":"https://orcid.org/0000-0002-7598-4708","contributorId":1698,"corporation":false,"usgs":true,"family":"Collett","given":"Timothy","email":"tcollett@usgs.gov","middleInitial":"S.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true},{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":763833,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70203726,"text":"70203726 - 2019 - Development of deepwater natural gas hydrates","interactions":[],"lastModifiedDate":"2019-06-06T14:08:23","indexId":"70203726","displayToPublicDate":"2019-04-26T14:07:16","publicationYear":"2019","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Development of deepwater natural gas hydrates","docAbstract":"Deepwater natural gas hydrate resources potentially exceed all other conventional and non-conventional hydrocarbon resources on a world-wide basis. However, before these offshore gas hydrate resources can be classified as reserves, it must be demonstrated that gas hydrates can be produced under conditions that make economic sense. The purpose of this paper is to provide an overview of the technical issues that will challenge the development of deepwater natural gas hydrates.","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"Proceedings of the 2019 Offshore Technology Conference","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"Offshore Technology Conference","conferenceDate":"May 6-9, 2019","conferenceLocation":"Houston, Texas","language":"English","publisher":"OnePetro","doi":"10.4043/29374-MS","usgsCitation":"Hancock, S., Boswell, R., and Collett, T.S., 2019, Development of deepwater natural gas hydrates, in Proceedings of the 2019 Offshore Technology Conference, Houston, Texas, May 6-9, 2019, 12 p., https://doi.org/10.4043/29374-MS.","productDescription":"12 p.","ipdsId":"IP-105606","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"links":[{"id":467666,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://www.osti.gov/biblio/1788077","text":"External Repository"},{"id":364467,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":364465,"type":{"id":15,"text":"Index Page"},"url":"https://doi.org/10.4043/29374-MS"}],"publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2019-04-26","publicationStatus":"PW","contributors":{"authors":[{"text":"Hancock, Steve","contributorId":216080,"corporation":false,"usgs":false,"family":"Hancock","given":"Steve","email":"","affiliations":[{"id":39362,"text":"XtremeWell Engineering Inc.","active":true,"usgs":false}],"preferred":false,"id":763835,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Boswell, Ray","contributorId":173139,"corporation":false,"usgs":false,"family":"Boswell","given":"Ray","email":"","affiliations":[{"id":17887,"text":"National Energy Technology Laboratory, Department of Energy","active":true,"usgs":false}],"preferred":false,"id":763836,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Collett, Timothy S. 0000-0002-7598-4708 tcollett@usgs.gov","orcid":"https://orcid.org/0000-0002-7598-4708","contributorId":1698,"corporation":false,"usgs":true,"family":"Collett","given":"Timothy","email":"tcollett@usgs.gov","middleInitial":"S.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true},{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":763834,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70203217,"text":"70203217 - 2019 - Global virtual water trade and the hydrological cycle: Patterns, drivers, and socio-environmental impacts","interactions":[],"lastModifiedDate":"2019-04-29T13:52:51","indexId":"70203217","displayToPublicDate":"2019-04-26T13:52:15","publicationYear":"2019","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1562,"text":"Environmental Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Global virtual water trade and the hydrological cycle: Patterns, drivers, and socio-environmental impacts","docAbstract":"The increasing global demand for farmland products is placing unprecedented pressure on the global agricultural system and its water resources. Many regions of the world, that are affected by a chronic water scarcity relative to their population, strongly depend on the import of agricultural commodities and associated embodied (or virtual) water. The globalization of water through virtual water trade is leading to a displacement of water use and a disconnection between human populations and the water resources they rely on. Despite the recognized importance of these phenomena in reshaping the patterns of water dependence through teleconnections between consumers and producers, their effect on global and regional water resources has just started to be quantified. This review investigates the global spatiotemporal dynamics, drivers, and impacts of virtual water trade through an integrated analysis of surface water, groundwater, and root-zone soil moisture consumption for agricultural production; it evaluates how virtual water flows compare to the major “physical water fluxes” in the Earth System; and provides a new reconceptualization of the hydrologic cycle to account also for the role of water redistribution by the hidden ‘virtual water cycle’.","language":"English","publisher":"IOP Scence","doi":"10.1088/1748-9326/ab05f4","usgsCitation":"D’Odorico, P., Carr, J., Dalin, C., Dell’Angelo, J., Konar, M., Laio, F., Ridolfi, L., Rosa, L., Suweis, S., Tamea, S., and Tuninetti, M., 2019, Global virtual water trade and the hydrological cycle: Patterns, drivers, and socio-environmental impacts: Environmental Research Letters, v. 14, no. 5, 34 p., https://doi.org/10.1088/1748-9326/ab05f4.","productDescription":"34 p.","ipdsId":"IP-101097","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":467667,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1088/1748-9326/ab05f4","text":"Publisher Index Page"},{"id":363319,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"14","issue":"5","publishingServiceCenter":{"id":10,"text":"Baltimore PSC"},"noUsgsAuthors":false,"publicationDate":"2019-04-26","publicationStatus":"PW","contributors":{"authors":[{"text":"D’Odorico, Paolo","contributorId":209957,"corporation":false,"usgs":false,"family":"D’Odorico","given":"Paolo","email":"","affiliations":[{"id":36942,"text":"University of California, Berkeley","active":true,"usgs":false}],"preferred":false,"id":761706,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Carr, Joel A. 0000-0002-9164-4156 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NL","active":true,"usgs":false}],"preferred":false,"id":761708,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Konar, Megan","contributorId":215136,"corporation":false,"usgs":false,"family":"Konar","given":"Megan","email":"","affiliations":[{"id":39186,"text":"Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign","active":true,"usgs":false}],"preferred":false,"id":761709,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Laio, Francesco","contributorId":215137,"corporation":false,"usgs":false,"family":"Laio","given":"Francesco","email":"","affiliations":[{"id":39187,"text":"Department of Environment, Land and Infrastructure Engineering, Politecnico di Torino, Turin, IT","active":true,"usgs":false}],"preferred":false,"id":761710,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Ridolfi, Luca","contributorId":124519,"corporation":false,"usgs":false,"family":"Ridolfi","given":"Luca","email":"","affiliations":[{"id":5039,"text":"Department of Environment, Land, and Infrastructure Engineering, Politecnico di Torino, Torino, Italy","active":true,"usgs":false}],"preferred":false,"id":761711,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Rosa, Lorenzo","contributorId":209959,"corporation":false,"usgs":false,"family":"Rosa","given":"Lorenzo","email":"","affiliations":[{"id":36942,"text":"University of California, Berkeley","active":true,"usgs":false}],"preferred":false,"id":761712,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Suweis, Samir","contributorId":209965,"corporation":false,"usgs":false,"family":"Suweis","given":"Samir","email":"","affiliations":[{"id":38039,"text":"University of Padova","active":true,"usgs":false}],"preferred":false,"id":761713,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Tamea, Stefania","contributorId":215138,"corporation":false,"usgs":false,"family":"Tamea","given":"Stefania","email":"","affiliations":[{"id":39187,"text":"Department of Environment, Land and Infrastructure Engineering, Politecnico di Torino, Turin, IT","active":true,"usgs":false}],"preferred":false,"id":761714,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Tuninetti, Marta","contributorId":215139,"corporation":false,"usgs":false,"family":"Tuninetti","given":"Marta","email":"","affiliations":[{"id":39187,"text":"Department of Environment, Land and Infrastructure Engineering, Politecnico di Torino, Turin, IT","active":true,"usgs":false}],"preferred":false,"id":761715,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}} ,{"id":70202851,"text":"sir20195023 - 2019 - Erosion monitoring along selected bank locations of the Coosa River in Alabama using terrestrial light detection and ranging (T–lidar) technology, 2014–17","interactions":[],"lastModifiedDate":"2019-04-26T15:01:44","indexId":"sir20195023","displayToPublicDate":"2019-04-26T12:37:33","publicationYear":"2019","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":"2019-5023","displayTitle":"Erosion Monitoring Along Selected Bank Locations of the Coosa River in Alabama Using Terrestrial Light Detection and Ranging (T–Lidar) Technology, 2014–17","title":"Erosion monitoring along selected bank locations of the Coosa River in Alabama using terrestrial light detection and ranging (T–lidar) technology, 2014–17","docAbstract":"The Alabama Power Company operates a series of dams on the Coosa River in east central Alabama. Seven dams impound the river to form six reservoirs: Weiss Lake, H Neely Henry Lake, Logan Martin Lake, Lay Lake, Lake Mitchell, and Lake Jordan. Streamflow below these reservoirs is primarily controlled by power generation at the dams, and there is ongoing concern about the stability of selected stream banks downstream from the dams. During relicensing in the early 2000s, the Alabama Power Company and stakeholders identified particular areas of concern to monitor and document the extent of erosion. The U.S. Geological Survey, in cooperation with the Alabama Power Company, conducted a 3-year monitoring program, from 2014 to 2017, of the geomorphic conditions of six selected reaches along the Coosa River. The six reaches included two downstream from H Neely Henry Dam near Gadsden, two downstream from Logan Martin Dam near Vincent, and two downstream from Walter Bouldin Dam near Wetumpka, Alabama. The geomorphic monitoring was conducted using boat- and tripod-mounted terrestrial light detection and ranging technology. Site LM–108, an island in the Coosa River downstream from Logan Martin Dam, exhibited the greatest amount of normalized erosion, 2.05 cubic meters per square meter of area, likely because this site experiences head-on flow from the river. Bank retreat at the upstream end of the island (LM–108) was estimated at 2.9 meters for the study period. The remaining five reaches were exposed to shear flow from the river; the greatest amount of normalized erosion, 0.467 cubic meter per square meter of area, was exhibited by site WB–106 on the right bank downstream from Walter Bouldin Dam. Results of the comparisons of terrestrial light detection and ranging scans indicated that intervals between scans that exhibited the greatest amounts of erosion generally corresponded to periods of above-median flow, and that intervals between scans that exhibited the least amounts of erosion, or deposition, generally corresponded to periods of below-median flow. Relatively smaller surface areas could be surveyed at some sites because inundation or dense vegetation obscured parts of the banks, suggesting that, in future investigations, it may be preferable to conduct scans during periods of leaf-off and low flow to avoid bias introduced by parts of the banks of interest being inundated or obscured by vegetation.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20195023","collaboration":"Prepared in cooperation with the Alabama Power Company","usgsCitation":"Huizinga, R.J., and Wagner, D.M., 2019, Erosion monitoring along selected bank locations of the Coosa River in Alabama using terrestrial light detection and ranging (T–lidar) technology, 2014–17: U.S. Geological Survey Scientific Investigations Report 2019–5023, 28 p., https://doi.org/10.3133/sir20195023.","productDescription":"Report: vii, 28 p.; Data Release","numberOfPages":"40","onlineOnly":"Y","ipdsId":"IP-102291","costCenters":[{"id":36532,"text":"Central Midwest Water Science Center","active":true,"usgs":true}],"links":[{"id":363234,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2019/5023/sir20195023.pdf","text":"Report","size":"7.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2019–5023"},{"id":363233,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2019/5023/coverthb.jpg"},{"id":363235,"rank":3,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/F7GF0SS8","text":"USGS data release","description":"USGS Data Release","linkHelpText":"Erosion Monitoring along the Coosa River, Alabama, using Terrestrial Light Detection and Ranging (T-LiDAR) Technology, 2014–2017"}],"country":"United States","state":"Alabama","otherGeospatial":"Coosa River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -86.75079345703125,\n 32.45415593941475\n ],\n [\n -85.3857421875,\n 32.45415593941475\n ],\n [\n -85.3857421875,\n 34.309412579370544\n ],\n [\n -86.75079345703125,\n 34.309412579370544\n ],\n [\n -86.75079345703125,\n 32.45415593941475\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Director, Central Midwest Water Science Center
U.S. Geological Survey
1400 Independence Road
Rolla, MO 65401