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Sources and sinks of nitrogen and phosphorus to a deep, oligotrophic lake, Lake Crescent, Olympic National Park, Washington 科技报告
来源：US Geological Survey (USGS). 出版年： 2012
作者:  Moran, P.W.;  Cox, S.E.;  Embrey, S.S.;  Huffman, R.L.;  Olsen, T.D.;  Fradkin, S.C.
收藏  |  浏览/下载：1/0  |  提交时间：2019/04/05
Century-scale perspective on water quality in selected river basins of the conterminous United States 科技报告
来源：US Geological Survey (USGS). 出版年： 2012
作者:  Stets, Edward G.;  Kelly, Valerie J. vjkelly@usgs.gov;  Broussard, Whitney P. III;  Smith, Thor E. tesmith@usgs.gov;  Crawford, Charles G. cgcrawfo@usgs.gov
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Organic contaminants, trace and major elements, and nutrients in water and sediment sampled in response to the Deepwater Horizon oil spill 科技报告
来源：US Geological Survey (USGS). 出版年： 2012
作者:  Nowell, Lisa H. lhnowell@usgs.gov;  Ludtke, Amy S. asludtke@usgs.gov;  Mueller, David K. mueller@usgs.gov;  Scott, Jonathon C. jcscott@usgs.gov
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Assessment of nutrients and suspended sediment conditions in and near the Agassiz National Wildlife Refuge, Northwest Minnesota, 2008-2010 科技报告
来源：US Geological Survey (USGS). 出版年： 2012
作者:  Nustad, Rochelle A. ranustad@usgs.gov;  Galloway, Joel M. jgallowa@usgs.gov
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Concentrations, loads, and yields of select constituents from major tributaries of the Mississippi and Missouri Rivers in Iowa, water years 2004-2008 科技报告
来源：US Geological Survey (USGS). 出版年： 2012
作者:  Garrett, Jessica D. jgarrett@usgs.gov
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Seasonal patterns in nutrients, carbon, and algal responses in wadeable streams within three geographically distinct areas of the United States, 2007-08 科技报告
来源：US Geological Survey (USGS). 出版年： 2012
作者:  Lee, Kathy E. klee@usgs.gov;  Lorenz, David L. lorenz@usgs.gov;  Petersen, James C. petersen@usgs.gov;  Greene, John B. jgreene@usgs.gov
收藏  |  浏览/下载：5/0  |  提交时间：2019/04/05