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Revisions to suspended-sediment concentration, percent smaller than 0.063 millimeter, and instantaneous suspended-sediment discharge reported for a cooperative program between the U.S. Geological Survey and the U.S. Army Corps of Engineers in the lower Mississippi-Atchafalaya River Basin, October 1989 to February 2015 科技报告
报告编号: 70200762, 页数: 246, 2019
作者:  Norton, Katherine K.;  Olsen, Lisa D.;  Baumann, Todd E.;  Simmons, Lane B.;  Clark, Athena P.;  Demcheck, Dennis K.;  Johnson, Marlon
Adobe PDF(7650Kb)  |  收藏  |  浏览/下载:69/28  |  提交时间:2019/11/06
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:99/20  |  提交时间:2019/11/06
The major coral reefs of Maui Nui, Hawai‘i—distribution, physical characteristics, oceanographic controls, and environmental threats 科技报告
报告编号: 70202388, 页数: 80, 2019
作者:  Field, Michael E. mfield@usgs.gov;  Storlazzi, Curt D. cstorlazzi@usgs.gov;  Gibbs, Ann E. agibbs@usgs.gov;  D'Antonio, Nicole L.;  Cochran, Susan A. scochran@usgs.gov
Adobe PDF(30349Kb)  |  收藏  |  浏览/下载:52/14  |  提交时间:2019/11/06
Estimates of nitrate loads and yields from groundwater to streams in the Chesapeake Bay watershed based on land use and geology 科技报告
报告编号: 70194700, 页数: 28, 2018
作者:  Terziotti, Silvia seterzio@usgs.gov;  Capel, Paul D. capel@usgs.gov;  Tesoriero, Anthony J. tesorier@usgs.gov;  Hopple, Jessica A. jahopple@usgs.gov;  Kronholm, Scott C.
Adobe PDF(30858Kb)  |  收藏  |  浏览/下载:27/9  |  提交时间:2019/11/06
Compilation and assessment of resource values and hazards to inform transportation planning and associated land-use planning 科技报告
报告编号: 70196396, , 2018
作者:  Manier, Daniel J. manierd@usgs.gov;  O'Donnell, Michael odonnellm@usgs.gov
Adobe PDF(17569Kb)  |  收藏  |  浏览/下载:6/3  |  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:44/11  |  提交时间:2019/11/06
Temporal and spatial monitoring of cyanobacterial blooms at Willow Creek Reservoir, North-Central Oregon 科技报告
报告编号: 70197844, 页数: 36, 2018
作者:  Smith, Cassandra D. cassandrasmith@usgs.gov
Adobe PDF(22047Kb)  |  收藏  |  浏览/下载:9/8  |  提交时间:2019/11/06
Collection methods and quality assessment for Escherichia coli, water quality, and microbial source tracking data within Tumacácori National Historical Park and the upper Santa Cruz River, Arizona, 2015-16 科技报告
报告编号: 70193917, 页数: 42, 2018
作者:  Paretti, Nicholas V. nparetti@usgs.gov;  Coes, Alissa L. alcoes@usgs.gov;  Kephart, Christopher M. ckephart@usgs.gov;  Mayo, Justine jmayo@usgs.gov
Adobe PDF(3183Kb)  |  收藏  |  浏览/下载:52/26  |  提交时间:2019/11/06
Cobalt 科技报告
报告编号: 70175694, 页数: 52, 2017
作者:  Slack, John F. jfslack@usgs.gov;  Kimball, Bryn E. bekimball@usgs.gov;  Shedd, Kim B. kshedd@usgs.gov
Adobe PDF(4568Kb)  |  收藏  |  浏览/下载:32/11  |  提交时间:2019/11/06
Environmental considerations related to mining of nonfuel minerals 科技报告
报告编号: 70180694, 页数: 28, 2017
作者:  Seal, Robert R. II rseal@usgs.gov;  Piatak, Nadine M. npiatak@usgs.gov;  Kimball, Bryn E. bekimball@usgs.gov;  Hammarstrom, Jane M. jhammars@usgs.gov
Adobe PDF(2263Kb)  |  收藏  |  浏览/下载:77/33  |  提交时间:2019/11/06