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2018 [2]
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Understanding the influence of nutrients on stream ecosystems in agricultural landscapes [研究报告]
10.3133/cir1437U.S. Geological Survey. 2018-01-01
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
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Estimates of nitrate loads and yields from groundwater to streams in the Chesapeake Bay watershed based on land use and geology [研究报告]
10.3133/sir20175160U.S. Geological Survey. 2018-01-01
Terziotti, Silvia seterzio@usgs.gov;  Capel, Paul D. capel@usgs.gov;  Tesoriero, Anthony J. tesorier@usgs.gov;  Hopple, Jessica A. jahopple@usgs.gov;  Kronholm, Scott C.
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