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| Application of the SPARROW model to assess surface-water nutrient conditions and sources in the United States Pacific Northwest [研究报告]
U.S. Geological Survey. 2013-01-01
Wise, Daniel R.; Johnson, Henry M.
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| Assessing total nitrogen in surface-water samples--precision and bias of analytical and computational methods [研究报告]
U.S. Geological Survey. 2013-01-01
Rus, David L. dlrus@usgs.gov; Patton, Charles J. cjpatton@usgs.gov; Mueller, David K. mueller@usgs.gov; Crawford, Charles G. cgcrawfo@usgs.gov
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| A regional classification of the effectiveness of depressional wetlands at mitigating nitrogen transport to surface waters in the Northern Atlantic Coastal Plain [研究报告]
U.S. Geological Survey. 2013-01-01
Ator, Scott W. swator@usgs.gov; Denver, Judith M. jmdenver@usgs.gov; LaMotte, Andrew E. alamotte@usgs.gov; Sekellick, Andrew J. ajsekell@usgs.gov
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| Estimated anthropogenic nitrogen and phosphorus inputs to the land surface of the conterminous United States--1992, 1997, and 2002 [研究报告]
U.S. Geological Survey. 2013-01-01
Sprague, Lori A. lsprague@usgs.gov; Gronberg, Jo Ann M.
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| Changes in nitrogen loading to the Northeast Creek Estuary, Bar Harbor, Maine, 2000 to 2010 [研究报告]
10.3133/ofr20131256U.S. Geological Survey. 2013-01-01
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| NEC Directive status report 2011 [研究报告]
European Environment Agency (EEA). 2012-01-01
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| European Union emission inventory report 1990–2010 under the UNECE Convention on Long-range Transboundary Air Pollution (LRTAP) [研究报告]
European Environment Agency (EEA). 2012-01-01
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| Air quality in Europe — 2012 report [研究报告]
European Environment Agency (EEA). 2012-01-01
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| The Atmospheric Input of Chemicals to the Ocean [研究报告]
WMO. 2012-01-01
World Meteorological Organization; International Maritime Organization; Food and Agriculture Organization (Rome, Italia); United Nations Educational, Scientific and Cultural Organization; Intergovernmental Oceanographic Commission; International Atomic En
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| Numerical model simulations of nitrate concentrations in groundwater using various nitrogen input scenarios, mid-Snake region, south-central Idaho [研究报告]
U.S. Geological Survey. 2012-01-01
Skinner, Kenneth D. kskinner@usgs.gov; Rupert, Michael G. mgrupert@usgs.gov
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