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Integration and tradeoffs 科技报告
报告编号: 70204117, , 2019
作者:  Crist, Michele;  Prentice, Karen;  Chambers, Jeanne C.;  Phillips, Sue;  Wiechman , Lief A.
Adobe PDF(16345Kb)  |  收藏  |  浏览/下载：71/25  |  提交时间：2019/11/06
Biogeochemical and physical processes controlling mercury methylation and bioaccumulation in Lake Powell, Glen Canyon National Recreation Area, Utah and Arizona, 2014 and 2015 科技报告
报告编号: 70199873, 页数: 98, 2019
作者:  Naftz, David L. dlnaftz@usgs.gov;  Marvin-DiPasquale, Mark mmarvin@usgs.gov;  Krabbenhoft, David P. dpkrabbe@usgs.gov;  Aiken, George;  Boyd, Eric S.;  Conaway, Christopher H. cconaway@usgs.gov;  Ogorek, Jacob M. jmogorek@usgs.gov;  Anderson, Gregory M.
Adobe PDF(9335Kb)  |  收藏  |  浏览/下载：69/14  |  提交时间：2019/11/06
Evaluation of groundwater resources in the Spanish Valley Watershed, Grand and San Juan Counties, Utah 科技报告
报告编号: 70203946, 页数: 86, 2019
作者:  Masbruch, Melissa D. mmasbruch@usgs.gov;  Gardner, Philip M. pgardner@usgs.gov;  Nelson, Nora C.;  Heilweil, Victor M.;  Solder, John E.;  Hess, Michael D.;  McKinney, Tim S.;  Briggs, Martin A. mbriggs@usgs.gov;  Solomon, D. Kip
Adobe PDF(14296Kb)  |  收藏  |  浏览/下载：46/14  |  提交时间：2019/11/06
Geochemical conditions and nitrogen transport in nearshore groundwater and the subterranean estuary at a Cape Cod embayment, East Falmouth, Massachusetts, 2013–14 科技报告
报告编号: 70198867, , 2018
作者:  Colman, John A. jacolman@usgs.gov;  LeBlanc, Denis R. dleblanc@usgs.gov;  Böhlke, John K. jkbohlke@usgs.gov;  McCobb, Timothy D.;  Kroeger, Kevin D. kkroeger@usgs.gov;  Belaval, Marcel;  Cambareri, Thomas C.;  Pirolli, Gillian F.;  Brooks, T. Wallace;  Garren, Mary E.;  Stover, Tobias B.;  Keeley, Ann
Adobe PDF(32891Kb)  |  收藏  |  浏览/下载：46/13  |  提交时间：2019/11/06
Descriptive models for epithermal gold-silver deposits: Chapter Q in 科技报告
报告编号: 70196376, , 2018
作者:  John, David A. djohn@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  du Bray, Edward A. edubray@usgs.gov;  Blakely, Richard J. blakely@usgs.gov;  Fey, David L. dfey@usgs.gov;  Rockwell, Barnaby W. barnabyr@usgs.gov;  Mauk, Jeffrey L. jmauk@usgs.gov;  Anderson, Eric D. ericanderson@usgs.gov;  Graybeal, Frederick T.
Adobe PDF(39815Kb)  |  收藏  |  浏览/下载：48/17  |  提交时间：2019/11/06
Are changes in lower trophic levels limiting prey-fish biomass and production in Lake Michigan? 科技报告
报告编号: 70199979, , 2018
作者:  Bunnell, David B. dbunnell@usgs.gov;  Carrick, Hunter J.;  Madenjian, Charles P. cmadenjian@usgs.gov;  Rutherford, Edward S.;  Vanderploeg, Henry A.;  Barbiero, Richard P.;  Hinchey-Malloy, Elizabeth;  Pothoven, Steven A.;  Riseng, Catherine M.;  Claramunt, Randall M.;  Bootsma, Harvey A.;  Elgin, Ashley;  Rowe, Mark;  Thomas, Sara;  Turschak, Benjamin A.;  Czesny, Sergiusz J.;  Pangle, Kevin;  Warner, David M. dmwarner@usgs.gov
Adobe PDF(2771Kb)  |  收藏  |  浏览/下载：87/39  |  提交时间：2019/11/06
Indicators of ecosystem structure and function for the Upper Mississippi River System 科技报告
报告编号: 70199036, , 2018
作者:  De Jager, Nathan R. ndejager@usgs.gov;  Rogala, James T. jrogala@usgs.gov;  Rohweder, Jason J. jrohweder@usgs.gov;  Van Appledorn, Molly;  Bouska, Kristen L. kbouska@usgs.gov;  Houser, Jeffrey N. jhouser@usgs.gov;  Jankowski, Kathi Jo
Adobe PDF(46638Kb)  |  收藏  |  浏览/下载：78/40  |  提交时间：2019/11/06
Water-quality observations of the San Antonio segment of the Edwards aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010–16 科技报告
报告编号: 70196681, 页数: 79, 2018
作者:  Opsahl, Stephen P. sopsahl@usgs.gov;  Musgrove, MaryLynn mmusgrov@usgs.gov;  Mahler, Barbara J. bjmahler@usgs.gov;  Lambert, Rebecca B. blambert@usgs.gov
Adobe PDF(4325Kb)  |  收藏  |  浏览/下载：39/22  |  提交时间：2019/11/06
Understanding the influence of nutrients on stream ecosystems in agricultural landscapes 科技报告
报告编号: 70191220, 页数: 92, 2018
作者:  Munn, Mark D. mdmunn@usgs.gov;  Frey, Jeffrey W. jwfrey@usgs.gov;  Tesoriero, Anthony J. tesorier@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Duff, John H. jhduff@usgs.gov;  Lee, Kathy E. klee@usgs.gov;  Maret, Terry R. trmaret@usgs.gov;  Mebane, Christopher A. cmebane@usgs.gov;  Waite, Ian R. iwaite@usgs.gov;  Zelt, Ronald B. rbzelt@usgs.gov
Adobe PDF(18305Kb)  |  收藏  |  浏览/下载：41/10  |  提交时间：2019/11/06
Water-quality conditions with an emphasis on cyanobacteria and associated toxins and taste-and-odor compounds in the Kansas River, Kansas, July 2012 through September 2016 科技报告
报告编号: 70197946, 页数: 66, 2018
作者:  Graham, Jennifer L. jlgraham@usgs.gov;  Foster, Guy M. gfoster@usgs.gov;  Williams, Thomas J. tjwilliams@usgs.gov;  Mahoney, Matthew D.;  May, Madison R. mmay@usgs.gov;  Loftin, Keith A. kloftin@usgs.gov
Adobe PDF(3128Kb)  |  收藏  |  浏览/下载：30/17  |  提交时间：2019/11/06