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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
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
Procedures for using the Horiba Scientific Aqualog® fluorometer to measure absorbance and fluorescence from dissolved organic matter 科技报告
报告编号: 70197568, , 2018
作者:  Hansen, Angela M.;  Fleck, Jacob jafleck@usgs.gov;  Kraus, Tamara E. C. tkraus@usgs.gov;  Downing, Bryan D. bdowning@usgs.gov;  von Dessonneck, Travis;  Bergamaschi, Brian bbergama@usgs.gov
Adobe PDF(4808Kb)  |  收藏  |  浏览/下载：25/8  |  提交时间：2019/11/06
Mercury on a landscape scale—Balancing regional export with wildlife health 科技报告
报告编号: 70197405, 页数: 93, 2018
作者:  Marvin-DiPasquale, Mark C. mmarvin@usgs.gov;  Windham-Myers, Lisamarie lwindham-myers@usgs.gov;  Fleck, Jacob A. jafleck@usgs.gov;  Ackerman, Joshua T. jackerman@usgs.gov;  Eagles-Smith, Collin A. ceagles-smith@usgs.gov;  McQuillen, Harry
Adobe PDF(3228Kb)  |  收藏  |  浏览/下载：70/30  |  提交时间：2019/11/06
Characteristics of dissolved organic matter in the Upper Klamath River, Lost River, and Klamath Straits Drain, Oregon and California 科技报告
报告编号: 70194611, 页数: 29, 2017
作者:  Goldman, Jami H. jgoldman@usgs.gov;  Sullivan, Annett B. annett@usgs.gov
Adobe PDF(3157Kb)  |  收藏  |  浏览/下载：3/1  |  提交时间：2019/11/06
Identify potential lock treatment options to prevent movement of aquatic invasive species through the Chicago Area Waterways System (CAWS) 科技报告
报告编号: 70160881, 页数: 24, 2016
作者:  Hubert, Terrance D. thubert@usgs.gov;  Boogaard, Michael A. mboogaard@usgs.gov;  Fredricks, Kim T. kfredricks@usgs.gov
Adobe PDF(223Kb)  |  收藏  |  浏览/下载：46/25  |  提交时间：2019/11/06
Design and testing of a process-based groundwater vulnerability assessment (P-GWAVA) system for predicting concentrations of agrichemicals in groundwater across the United States 科技报告
报告编号: 70126663, , 2016
作者:  Barbash, Jack E;  Voss, Frank D. fdvoss@usgs.gov
Adobe PDF(7667Kb)  |  收藏  |  浏览/下载：4/4  |  提交时间：2019/11/06