National Water-Quality Assessment (NAWQA) Program
More Information about Trends
Regional and National Monitoring and Assessments of Streams and Rivers |
Regional Assessments of Principal Aquifers |
Contaminant Trends in Lake Sediments
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Denver, J.M., Tesoriero, A.J., and Barbaro, J.R., 2009, Trends and transformation of nutrients and pesticides in a Coastal Plain Aquifer System, United States: Journal of Environmental Quality 2009 39, p. 154-167. doi: 10.2134/jeq2009.0107 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, vol. 37, no. 5, p. S296-S308. doi: 10.2134/jeq2007.0664 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
Dalton, Melinda S., and Frick, Elizabeth A., 2008, Fate and transport of pesticides in the ground water systems of southwest Georgia, 1993-2005: Journal of Environmental Quality, vol. 37, no. 5, p. S264-S272. doi: 10.2134/jeq2007.0163 Available Online
Crawford, Charles G., 1997, Trends in acetochlor concentrations in surface waters of the White River Basin, Indiana, 1994-96: U.S. Geological Survey Fact Sheet FS-058-97, 4 p. Available Online
Cox, S.E., Bell, P.R., Lowther, J.S., and Van Metre, P.C., 2002, Vertical distribution of trace-element concentrations and occurrence of metallurgical slag particles in accumulated bed sediments of Lake Roosevelt, Washington, September 2002: U.S. Geological Survey Scientific Investigations Report 2004-5090, 70 p. Available Online
Callender, Edward, and Van Metre, Peter C., 1997, Reservoir sediment cores show U.S. lead declines: Environmental Science & Technology, vol. 31, no. 9, p. 424A-428A. Available Online
Burow, Karen R., Shelton, Jennifer L., and Dubrovsky, Neil.M., 2008, Regional nitrate and pesticide trends in ground water in the Eastern San Joaquin Valley, California: Journal of Environmental Quality 2008 37, p. S249-S263. doi: 10.2134/jeq2007.0061 Available Online
Burow, K.R., Dubrovsky, N.M., and Shelton, J. L., 2007, Temporal trends in concentrations of DBCP and nitrate in groundwater in the eastern San Joaquin Valley, California, USA: Hydrogeology Journal (2007), v. 15, p. 991-1007. doi: 10.1007/s10040-006-0148-7 Available Online
Burow, K.R., and Green, C.T., 2008, Spatial and temporal trends in nitrate concentration in the Eastern San Joaquin Valley Regional Aquifer and implications for nitrogen fertilizer management: California Plant and Soil Conference: Conservation of Agricultural Resources, February 5 & 6, 2008, Visalia, California, p. 47-52. Available Online
Bexfield, Laura M., 2008, Decadal-scale changes of pesticides in ground water of the United States, 1993-2003: Journal of Environmental Quality, 2008, vol. 37, no. 5, p. S226-S239. doi:10.2134/jeq2007.0054 Available Online
Barlow, Jeannie R.B., Kingsbury, James A., and Coupe, Richard H., 2012, Changes in shallow groundwater quality beneath recently urbanized areas in the Memphis, Tennessee area: Journal of the American Water Resources Association, vol. 48, no. 2, p. 336-354. doi: 10.1111/j.1752-1688.2011.00616.x Available Online
Barbash, J.E., and Resek, E.A., 1996, Pesticides in ground water: Distribution, trends, and governing factors: Volume 2 of the series: Pesticides in the Hydrologic System: Ann Arbor Press, Chelsea, Michigan, 590 p. Available Online
Anning, David W., 2008, Dissolved solids in basin-fill aquifers and streams in the southwestern United States--Executive Summary: U.S. Geological Survey Fact Sheet 2008-3076, 4 p. Available Online
Anning, D.W., Bauch, N.J., Gerner, S.J., Flynn, M.E., Hamlin, S.N., Moore, S.J., Schaefer, D.H., Anderholm, S.K., and Spangler, L.E., 2007, revised 2010, Dissolved solids in basin-fill aquifers and streams in the southwestern United States: U.S. Geological Survey Scientific Investigations Report 2006-5315, v. 1.1, 168 p. Available Online
Anderson, Jesse Paul, 1997, A comparison of temporal trends in ambient and compliance trace element and PCB data in Pool 2 of the Mississippi River, 1985-95: University of Minnesota, Master of Science Thesis, 77 p.
Anderson, Jesse and Perry, Jim, 1999, Comparison of temporal trends in ambient and compliance trace element and PCB data in Pool 2 of the Mississippi River, 1985-95: Environmental Management, vol. 24, no. 4, p. 497-507. Available Online
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