National Water-Quality Assessment (NAWQA) Program
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Frankforter, Jill D., Weyers, Holly S., Bales, Jerad D., Moran, Patrick W., and Calhoun, Daniel L., 2009, The relative influence of nutrients and habitat on stream metabolism in agricultural streams: Environmental Monitoring and Assessment, August 15, 2009, 19 p. doi: 10.1007/s10661-009-1127-y Available Online
Mullaney, J.R., Lorenz, D.L., Arntson, A.D., 2009, Chloride in groundwater and surface water in areas underlain by the glacial aquifer system, northern United States: U.S. Geological Survey Scientific Investigations Report 2009-5086, 41 p. Available Online
Tesoriero, Anthony J., Duff, J.H., Wolock, D.M., Spahr, N.E., and Almendinger, J.E., 2009, Identifying Pathways and Processes Affecting Nitrate and Orthophosphate Inputs to Streams in Agricultural Watersheds: Journal of Environmental Quality 38:1892-1900, 9 p. doi: 10.2134/jeq2008.0484 Available Online
Ator, Scott W., 2008, Natural and Human Influences on Water Quality in a Shallow Regional Unconsolidated Aquifer, Northern Atlantic Coastal Plain: U.S. Geological Survey Scientific Investigations Report 2008-5190, 19 p. Available Online
Brightbill, R.A., and Munn, M.D., 2008, Environmental and biological data of the nutrient enrichment effects on stream ecosystems project of the National Water Quality Assessment Program, 2003-04: U.S. Geological Survey Data Series 345, 12 p. Available Online
Daniel L. Calhoun, D.L., Gregory, M.B., and Weyers, H.S., 2008, Algal and Invertebrate Community Composition along Agricultural Gradients: A Comparative Study from Two Regions of the Eastern United States: U.S. Geological Survey Scientific Investigations Report 2008-5046, 33 p. Available Online
Debrewer, Linda M., Ator, Scott W., and Denver, Judith M., 2008, Temporal Trends in Nitrate and Selected Pesticides in Mid-Atlantic Ground Water: Journal of Environmental Quality, 37 (5), p. S296-S308. doi: 10.2134/jeq2007.0664 Available Online
Murdoch, Peter S., Jenkins, Jennifer C., and Birdsey, Richard A., eds., 2008, The Delaware River Basin Collaborative Environmental Monitoring and Research Initiative: Foundation Document: Gen. Tech. Rep. NRS-25 (U.S. Department of Agriculture, Forest Service, Northern Research Station, Newtown Square, PA), 93 p. Available Online
Debrewer, L.M., Ator, S.W., and Denver, J.M., 2007, Factors affecting spatial and temporal variability in nutrient and pesticide concentrations in the surficial aquifer on the Delmarva Peninsula: U.S. Geological Survey Scientific Investigations Report 2005-5257, 44 p. Available Online
Johnson, M.R., Buell, G.R., Kim, M.H., and Nardi, M.R., 2007, Riparian land use/land cover data for five study units in the Nutrient Enrichment Effects Topical study of the National Water-Quality Assessment Program: U.S. Geological Survey Data Series 306, 9 p. Available Online
Lindsey, B.D., Falls, W.F., Ferrari, M.J., Zimmerman, T.M., Harned, D.A., Sadorf, E.M., and Chapman, M.J., 2006, Factors affecting occurrence and distribution of selected contaminants in ground water from selected areas in the Piedmont Aquifer System, eastern United States, 1993-2003: U.S. Geological Survey Scientific Investigations Report 2006-5104, 72 p. Available Online
Moran, M.J., 2006, Occurrence and implications of selected chlorinated solvents in ground water and source water in the United States and in drinking water in 12 Northeast and Mid-Atlantic States, 1993-2002: U.S. Geological Survey Scientific Investigations Report 2005-5268, 70 p. Available Online
Romanok, Kristin, Fischer, Jeffrey M., Riva-Murray, Karen, Brightbill, Robin, and Bilger, Michael, 2006, Organic compounds and trace elements in fish tissue and bed sediment in the Delaware River Basin, New Jersey, Pennsylvania, New York, and Delaware, 1998-2000: U.S. Geological Survey Scientific Investigations Report 2006-5150, 69 p. Available Online
Ator, S.W., Denver, J.M., and Brayton, M.J., 2005, Hydrologic and geochemical controls on pesticide and nutrient transport to two streams on the Delmarva Peninsula: U.S. Geological Survey Scientific Investigations Report 2004-5051, 34 p. Available Online
Ator, S.W., Denver, J.M., Krantz, D.E., Newell, W.L., and Martucci, S.K., 2005, A surficial hydrogeologic framework for the Mid-Atlantic coastal plain: U.S. Geological Survey Professional Paper 1680, 44 p., and 4 maps. Available Online
Denver, J.M., Ator, S.W., Debrewer, L.M., Ferrari, M.J., Barbaro, J.R., Hancock, T.C., Brayton, M.J., and Nardi, M.R., 2004, Water quality in the Delmarva Peninsula, Delaware, Maryland, and Virginia, 1999-2001: U.S. Geological Survey Circular 1228, 30 p. Available Online
Fischer, J.M., Riva-Murray, Karen, Hickman, R.E., Chichester, D.C., Brightbill, R.A., Romanok, R.M., and Bilger, M.D., 2004, Water quality in the Delaware River Basin, Pennsylvania, New Jersey, New York, and Delaware, 1998-2001: U.S. Geological Survey Circular 1227, 38 p. Available Online
Potapova, M.G., Charles, D.F., Ponader, K.C., and Winter, D.M., 2004, Quantifying species indicator values for trophic diatom indices: a comparison of approaches: Hydrobiologia, v. 517, p. 25-41. doi: 10.1016/j.ecolind.2005.10.001 Available Online
Meador, Michael R., and Goldstein, Robert M., 2003, Assessing water quality at large geographic scales--relations among land use, water physicochemistry, riparian condition, and fish community structure: Environmental Management, v. 31, no. 4, p. 504-517. doi: 10.1007/s00267-002-2805-5 Available Online
Meador, Michael R., Brown, Larry R., and Short, Terry, 2003, Relations between introduced fish and environmental conditions at large geographic scales: Ecological Indicators, v. 3, p. 81-92. doi: 10.1016/S1470-160X(03)00013-X Available Online
Daniels, Robert A., Riva-Murray, Karen, Halliwell, David B., Vana-Miller, David, L., Bilger, Michael D., 2002, An index of biological integrity for northern Mid-Atlantic Slope drainages: Transactions of the American Fisheries Society 2002, p. 1044-1060. doi: 10.1577/1548-8659(2002)131<1044:AIOBIF>2.0.CO;2 Available Online
Ferrari, Matthew J., 2002, Occurrence and distribution of selected contaminants in public drinking-water supplies in the surficial aquifer in Delaware: U.S. Geological Survey Open-File Report 01-327, 62 p. Available Online
Domagalski, Joseph, Zinquan, Zhou, Chao, Lin, et al., 2001, Comparative water-quality assessment of the Hai He River Basin in the People's Republic of China and three similar basins in the United States: U.S. Geological Survey Professional Paper 1647, 58 p. Available Online
Grady, Stephen J., and Casey, George D., 2001, Occurrence and distribution of methyl tert-butyl ether and other volatile organic compounds in drinking water Northeast and Mid-Atlantic regions of the United States: U.S. Geological Survey Water-Resources Investigations Report 00-4228, 123 p. Available Online
Moran, Michael, Grady, Stephen, and Zogorski, John, 2001, Occurrence and distribution of volatile organic compounds in drinking water supplied by community water systems in northeast and mid-atlantic regions of the United States, 1993-98: U.S. Geological Survey Fact Sheet FS-089-01, 4 p. Available Online
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