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Southern sea otter (Enhydra lutris nereis) population biology at Big Sur and Monterey, California --Investigating the consequences of resource abundance and anthropogenic stressors for sea otter recovery 科技报告
报告编号: 70202708, 页数: 244, 2019
作者:  Tinker, M. Tim;  Tomoleoni, Joseph A. jtomoleoni@usgs.gov;  Weitzman, Benjamin P.;  Staedler, Michelle;  Jessup, Dave;  Murray, Michael J.;  Miller, Melissa;  Burgess, Tristan;  Bowen, Lizabeth lbowen@usgs.gov;  Miles, A. Keith keith_miles@usgs.gov;  Thometz, Nicole;  Tarjan, Lily;  Golson, Emily;  Batac, Francesca;  Dodd, Erin;  Berberich, Eva;  Kunz, Jessica;  Bentall, Gena;  Fujii, Jessica;  Nicholson, Teri;  Newsome, Seth;  Melli, Ann;  LaRoche, Nicole;  MacCormick, Holly;  Johnson, Andy;  Henkel, Laird;  Kreuder-Johnson, Chris;  Conrad, Pat
Adobe PDF(15940Kb)  |  收藏  |  浏览/下载：101/20  |  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：71/15  |  提交时间：2019/11/06
Characterization and occurrence of confined and unconfined aquifers in Quaternary sediments in the glaciated conterminous United States 科技报告
报告编号: 70198167, , 2019
作者:  Yager, Richard M. ryager@usgs.gov;  Kauffman, Leon J.;  Soller, David R. drsoller@usgs.gov;  Haj, Adel E. ahaj@usgs.gov;  Heisig, Paul M.;  Buchwald, Cheryl A. cabuchwa@usgs.gov;  Westenbroek, Stephen, M.;  Reddy, James E.
Adobe PDF(17562Kb)  |  收藏  |  浏览/下载：57/18  |  提交时间：2019/11/06
Hydrologic site assessment for passive treatment of groundwater nitrogen with permeable reactive barriers, Cape Cod, Massachusetts 科技报告
报告编号: 70203573, , 2019
作者:  Barbaro, Jeffrey R. jrbarbar@usgs.gov;  Belaval, Marcel;  Truslow, Danna B.;  LeBlanc, Denis R. dleblanc@usgs.gov;  Cambareri, Thomas C.;  Michaud, Scott C.
Adobe PDF(2645Kb)  |  收藏  |  浏览/下载：41/18  |  提交时间：2019/11/06
Water-quality and geochemical variability in the Little Arkansas River and Equus aquifer, south-central Kansas, 2001–16 科技报告
报告编号: 70202979, 页数: 92, 2019
作者:  Stone, Mandy L.;  Klager, Brian J.;  Ziegler, Andrew C.
Adobe PDF(11492Kb)  |  收藏  |  浏览/下载：19/5  |  提交时间：2019/11/06