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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:114/48  |  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:70/42  |  提交时间:2019/11/06
SWB Version 2.0—A soil-water-balance code for estimating net infiltration and other water-budget components 科技报告
报告编号: 70195983, , 2018
作者:  Westenbroek, Stephen M. smwesten@usgs.gov;  Engott, John A. jaengott@usgs.gov;  Kelson, Victor A.;  Hunt, Randall J. rjhunt@usgs.gov
Adobe PDF(9963Kb)  |  收藏  |  浏览/下载:41/16  |  提交时间:2019/11/06
Design and testing of a process-based groundwater vulnerability assessment (P-GWAVA) system for predicting concentrations of agrichemicals in groundwater across the United States 科技报告
报告编号: 70126663, , 2016
作者:  Barbash, Jack E;  Voss, Frank D. fdvoss@usgs.gov
Adobe PDF(7667Kb)  |  收藏  |  浏览/下载:4/4  |  提交时间:2019/11/06
The Integrated Landscape Modeling partnership - Current status and future directions 科技报告
报告编号: 70162094, , 2016
作者:  Mushet, David M. dmushet@usgs.gov;  Scherff, Eric J. escherff@usgs.gov
Adobe PDF(10837Kb)  |  收藏  |  浏览/下载:22/9  |  提交时间:2019/11/06