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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:50/11  |  提交时间:2019/11/06
Manure and fertilizer inputs to land in the Chesapeake Bay watershed, 1950–2012 科技报告
报告编号: 70195604, , 2018
作者:  Keisman, Jennifer L.D. jkeisman@usgs.gov;  Devereux, Olivia H.;  LaMotte, Andrew E. alamotte@usgs.gov;  Sekellick, Andrew J. ajsekell@usgs.gov;  Blomquist, Joel D. jdblomqu@usgs.gov
Adobe PDF(8498Kb)  |  收藏  |  浏览/下载:48/22  |  提交时间:2019/11/06
Optimal hydrograph separation using a recursive digital filter constrained by chemical mass balance, with application to selected Chesapeake Bay watersheds 科技报告
报告编号: 70187492, , 2017
作者:  Raffensperger, Jeff P. jpraffen@usgs.gov;  Baker, Anna C.;  Blomquist, Joel D. jdblomqu@usgs.gov;  Hopple, Jessica A. jahopple@usgs.gov
收藏  |  浏览/下载:26/0  |  提交时间:2019/11/06
Application of a Weighted Regression Model for Reporting Nutrient and Sediment Concentrations, Fluxes, and Trends in Concentration and Flux for the Chesapeake Bay Nontidal Water-Quality Monitoring Network, Results Through Water Year 2012 科技报告
报告编号: 70161859, 页数: 88, 2016
作者:  Chanat, Jeffrey G. jchanat@usgs.gov;  Moyer, Douglas L. dlmoyer@usgs.gov;  Blomquist, Joel D. jdblomqu@usgs.gov;  Hyer, Kenneth E. kenhyer@usgs.gov;  Langland, Michael J. langland@usgs.gov
Adobe PDF(2807Kb)  |  收藏  |  浏览/下载:40/22  |  提交时间:2019/11/06