CCPortal

浏览/检索结果: 共151条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
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:102/20  |  提交时间:2019/11/06
Catchment-level estimates of nitrogen and phosphorus agricultural use from commercial fertilizer sales for the conterminous United States, 2012 科技报告
报告编号: 70201177, , 2019
作者:  Stewart, Jana S. jsstewar@usgs.gov;  Schwarz, Gregory E. gschwarz@usgs.gov;  Brakebill, John W. jwbrakeb@usgs.gov;  Preston, Stephen D. spreston@usgs.gov
Adobe PDF(53511Kb)  |  收藏  |  浏览/下载:115/49  |  提交时间:2019/11/06
Use of a Numerical Model to Simulate the Hydrologic System and Transport of Contaminants Near Joint Base Cape Cod, Western Cape Cod, Massachusetts 科技报告
报告编号: 70200529, 页数: 114, 2019
作者:  Walter, Donald A. dawalter@usgs.gov;  McCobb, Timothy D.;  Fienen, Michael N.
Adobe PDF(44884Kb)  |  收藏  |  浏览/下载:76/39  |  提交时间:2019/11/06
Simulation of groundwater flow in the Brunswick Area, Georgia, for 2004 and 2015, and selected groundwater-management scenarios 科技报告
报告编号: 70203531, 页数: 82, 2019
作者:  Cherry, Gregory S. gccherry@usgs.gov
Adobe PDF(20550Kb)  |  收藏  |  浏览/下载:33/8  |  提交时间:2019/11/06
Simulation of the regional groundwater-flow system in the St. Louis River basin, Minnesota 科技报告
报告编号: 70203058, 页数: 54, 2019
作者:  Haserodt, Megan J. mhaserodt@usgs.gov;  Hunt, Randall J.;  Cowdery, Timothy K.;  Leaf, Andrew T. aleaf@usgs.gov;  Baker, Anna C.
Adobe PDF(61129Kb)  |  收藏  |  浏览/下载:89/39  |  提交时间:2019/11/06
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:78/27  |  提交时间:2019/11/06
Rigorously valuing the role of U.S. coral reefs in coastal hazard risk reduction 科技报告
报告编号: 70202643, 页数: 52, 2019
作者:  Storlazzi, Curt D. cstorlazzi@usgs.gov;  Reguero, Borja G.;  Cole, Aaron D.;  Lowe, Erik;  Shope, James B.;  Gibbs, Ann E. agibbs@usgs.gov;  Nickel, Barry A.;  McCall, Robert T.;  van Dongeren, Ap R.;  Beck, Michael W.
Adobe PDF(10354Kb)  |  收藏  |  浏览/下载:65/22  |  提交时间:2019/11/06
Characterizing 12 years of wildland fire science at the U.S. Geological Survey: Wildland Fire Science Publications, 2006–17 科技报告
报告编号: 70202198, 页数: 75, 2019
作者:  Steblein, Paul F.;  Miller, Mark P. mpmiller@usgs.gov
Adobe PDF(835Kb)  |  收藏  |  浏览/下载:67/19  |  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:73/16  |  提交时间:2019/11/06
Hydrogeology of Lower Amargosa Valley and groundwater discharge to the Amargosa Wild and Scenic River, Inyo and San Bernardino Counties, California, and adjacent areas in Nye and Clark Counties, Nevada 科技报告
报告编号: 70200872, 页数: 131, 2019
作者:  Belcher, Wayne R.;  Sweetkind, Donald S. dsweetkind@usgs.gov;  Hopkins, Candice B.;  Poff, Megan E. mpoff@usgs.gov
Adobe PDF(8479Kb)  |  收藏  |  浏览/下载:77/29  |  提交时间:2019/11/06