CCPortal

浏览/检索结果: 共48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:96/20  |  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:71/39  |  提交时间:2019/11/06
Hydrogeologic controls and geochemical indicators of groundwater movement in the Niles Cone and southern East Bay Plain groundwater subbasins, Alameda County, California 科技报告
报告编号: 70194829, 页数: 76, 2019
作者:  Teague, Nicholas F. nteague@usgs.gov;  Izbicki, John A. jaizbick@usgs.gov;  Borchers, Jim;  Kulongoski, Justin T. kulongos@usgs.gov;  Jurgens, Bryant C. bjurgens@usgs.gov
Adobe PDF(6518Kb)  |  收藏  |  浏览/下载:28/7  |  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:35/17  |  提交时间:2019/11/06
Groundwater quality and hydrology with emphasis on selenium mobilization and transport in the Lower Gunnison River Basin, Colorado, 2012–16 科技报告
报告编号: 70203002, , 2019
作者:  Thomas, Judith C.;  McMahon, Peter B. pmcmahon@usgs.gov;  Arnold, L. R. lrarnold@usgs.gov
Adobe PDF(10808Kb)  |  收藏  |  浏览/下载:61/19  |  提交时间:2019/11/06
Hydrologic balance, water quality, chemical-mass balance, and geochemical modeling of hyperalkaline ponds at Big Marsh, Chicago, Illinois, 2016–17 科技报告
报告编号: 70204773, 页数: 42, 2019
作者:  Gahala, Amy M.;  Seal, Robert R. rseal@usgs.gov;  Piatak, Nadine M. npiatak@usgs.gov
Adobe PDF(3756Kb)  |  收藏  |  浏览/下载:30/12  |  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
Hydraulic, geochemical, and thermal monitoring of an aquifer system in the vicinity of Mammoth Lakes, Mono County, California, 2015–17 科技报告
报告编号: 70203631, 页数: 90, 2019
作者:  Howle, James F.;  Evans, William C. wcevans@usgs.gov;  Galloway, Devin L. dlgallow@usgs.gov;  Hsieh, Paul A. pahsieh@usgs.gov;  Hurwitz, Shaul;  Smith, Gregory A.;  Nawikas, Joseph jnawika@usgs.gov
Adobe PDF(7626Kb)  |  收藏  |  浏览/下载:48/19  |  提交时间:2019/11/06
Agriculture — A river runs through it — The connections between agriculture and water quality 科技报告
报告编号: 70187973, 页数: 216, 2018
作者:  Capel, Paul D. capel@usgs.gov;  McCarthy, Kathleen A.;  Coupe, Richard H. rhcoupe@usgs.gov;  Grey, Katia M.;  Amenumey, Sheila E.;  Baker, Nancy T. ntbaker@usgs.gov;  Johnson, Richard L.
Adobe PDF(69774Kb)  |  收藏  |  浏览/下载:69/41  |  提交时间:2019/11/06
Groundwater contributions to excessive algal growth in the East Fork Carson River, Carson Valley, west-central Nevada, 2010 and 2012 科技报告
报告编号: 70198296, 页数: 110, 2018
作者:  Alvarez, Nancy L.;  Pahl, Randy A.;  Rosen, Michael R. mrosen@usgs.gov
Adobe PDF(5394Kb)  |  收藏  |  浏览/下载:55/20  |  提交时间:2019/11/06