CCPortal

浏览/检索结果: 共22条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Spatial and Temporal Patterns of Best Management Practice Implementation in the Chesapeake Bay Watershed, 1985–2014 科技报告
报告编号: 70201911, 页数: 37, 2019
作者:  Sekellick, Andrew J. ajsekell@usgs.gov;  Devereux, Olivia H.;  Keisman, Jennifer L.D.;  Sweeney, Jeffrey S.;  Blomquist, Joel D. jdblomqu@usgs.gov
Adobe PDF(7611Kb)  |  收藏  |  浏览/下载:48/11  |  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:70/25  |  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
Concentrations of nitrate in drinking water in the lower Yakima River Basin, Groundwater Management Area, Yakima County, Washington, 2017 科技报告
报告编号: 70196864, 页数: 28, 2018
作者:  Huffman, Raegan L. rhuffman@usgs.gov
Adobe PDF(1655Kb)  |  收藏  |  浏览/下载:3/0  |  提交时间:2019/11/06
Drain tiles and groundwater resources: Understanding the relations 科技报告
报告编号: 70204196, 页数: 44, 2018
作者:  Smith, Erik A. easmith@usgs.gov;  Gillette, Timothy;  Blann, Kristen;  Coburn, Mary;  Hoppie, Bryce;  Rhees, Suzanne
Adobe PDF(5625Kb)  |  收藏  |  浏览/下载:37/9  |  提交时间:2019/11/06
Land subsidence along the California Aqueduct in west-central San Joaquin Valley, California, 2003–10 科技报告
报告编号: 70200652, , 2018
作者:  Sneed, Michelle micsneed@usgs.gov;  Brandt, Justin T. jbrandt@usgs.gov;  Solt, Michael
Adobe PDF(15133Kb)  |  收藏  |  浏览/下载:59/20  |  提交时间:2019/11/06
Wastewater indicators, hormones, sterols, antibiotics, and pharmaceuticals in soil at an agricultural field irrigated with domestic septage, central Minnesota, September 2014 科技报告
报告编号: 70198537, 页数: 34, 2018
作者:  Elliott, Sarah M. selliott@usgs.gov;  Erickson, Melinda L. merickso@usgs.gov;  Krall, Aliesha L. adiekoff@usgs.gov;  Adams, Byron A.
Adobe PDF(897Kb)  |  收藏  |  浏览/下载:47/25  |  提交时间:2019/11/06
Identification of bees in southwest Idaho—A guide for beginners 科技报告
报告编号: 70201365, , 2018
作者:  Sun, Emily R.;  Pilliod, David S. dpilliod@usgs.gov
Adobe PDF(20455Kb)  |  收藏  |  浏览/下载:14/8  |  提交时间:2019/11/06
Agricultural conservation practice implementation in the Chesapeake Bay watershed supported by the U.S. Department of Agriculture 科技报告
报告编号: 70201149, , 2018
作者:  Hively, W. Dean;  Devereux, Olivia H.;  Keisman, Jennifer L.D.
Adobe PDF(26419Kb)  |  收藏  |  浏览/下载:28/7  |  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:41/10  |  提交时间:2019/11/06