National Water-Quality Assessment (NAWQA) Program
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Showing results 1301 to 1326 of 2000.
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Goodbred, Steven L., Gilliom, Robert J., Gross, Timothy S., Denslow, Nancy P., Bryant, Wade B., and Schoeb, Trenton R., 1996, Reconnaissance of 17b- estradiol, 11-ketotestosterone, vitellogenin, and gonad histopathology in common carp of United States streams: Potential for contaminant-induced endocrine disruption: U.S. Geological Survey Open-File Report 96-627, 47 p. Available Online
Naftz, David L., Stephens, Doyle W., Callender, Edward, and Van Metre, Peter C., 2000, Reconstructing historical changes in the environmental health of watersheds by using sediment cores from lakes and reservoirs in Salt Lake Valley, Utah: U.S. Geological Survey Fact Sheet FS-164-00, 6 p. Available Online
Stoner, Jeffrey D., Lorenz, David L., Wiche, Gregg J., and Goldstein, Robert M., 1993, Red River of the North Basin Minnesota, North Dakota, and South Dakota: American Water Resources Association Water Resources Bulletin July/August 1993, vol. 29, no. 4, p. 575-615. doi: 10.1111/j.1752-1688.1993.tb03229.x Available Online
McMahon, P.B., Cowdery, T.K., Chapelle, F.H., and Jurgens, B.C., 2009, Redox conditions in selected principal aquifers of the United States: U.S. Geological Survey Fact Sheet 2009-3041, 6 p. Available Online
McMahon, P.B., and Chapelle, F.H., 2008, Redox processes and water quality of selected principal aquifer systems: Ground Water, vol. 46, no. 2, 13 p. doi: 10.1111/j.1745-6584.2007.00385.x Available Online
Hitt, Kerie J., 1994, Refining 1970's land-use data with 1990 population data to indicate new residential development: U.S. Geological Survey Water-Resources Investigations Report 94-4250, 15 p. Available Online
Koterba, M.T., and Shedlock, R.J., 1991, Regional and targeted ground-water-quality networks in the Delmarva Peninsula, Delaware, Maryland and Virginia: American Chemical Society Symposium Series 465, p. 110-138.
Koterba, M.T., Shedlock, R.J., Bachman, L.J., and Phillips, P.J., 1990, Regional and targeted groundwater quality networks in the Delmarva Peninsula, in groundwater residue sampling design: American Chemical Society, Chapter 6, p. 110-138.
Preston, S.D., Alexander, R.B., and Woodside, M.D., 2011, Regional assessments of the Nation's water quality--Improved understanding of stream nutrient sources through enhanced modeling capabilities: U.S. Geological Survey Fact Sheet 2011-3114, 6 p. Available Online
Hinkle, Stephen R., 1997, Regional distribution of nitrite plus nitrate in shallow ground water from alluvial deposits of the Willamette Basin, Oregon in Laenen, Antonius, and Dunnette, David A.: eds., River Quality Dynamics and Restoration, p. 141-149.
Smith, Richard A., Schwarz, Gregory E., and Alexander, Richard B., 1997, Regional interpretation of water-quality monitoring data: Water Resources Research, December 1997, vol. 33, no. 12, p. 2781-2798. 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
Sprague, L.A., and Lorenz, D.L., 2009, Regional nutrient trends in streams and rivers of the United States, 1993-2003: Environmental Science and Technology, vol. 43, no. 10, p. 3430-3435. doi: 10.1021/es803664x Available Online
McMahon, P.B., and Bohlke, J.K., 2006, Regional patterns in the isotopic composition of natural and anthropogenic nitrate in ground water, High Plains, USA: Environmental Science & Technology, vol. 40, p. 2965-2970. doi: 10.1021/es052229q Available Online
Phillips, Patrick J., Eckhardt, David A., Freehafer, Douglas A., Wall, Gary R., and Ingleston, Hannah H., 2002, Regional patterns of pesticide concentrations in surface waters of New York in 1997: Journal of the American Water Resources Association, vol. 38, no. 3, p. 731-743. doi: 10.1111/j.1752-1688.2002.tb00993.x Available Online
Phillips, P.J., 1990, Regional water-quality investigation and the ecology of a rare plant species on the Delmarva Peninsula: U.S. Geological Survey, WRD Ecology Newsletter no. 3, p. 1-2.
Nowell, L.H., Crawford, C.G., Nakagaki, N., Thelin, G.P., and Wolock, D.M., 2006, Regression model for explaining and predicting concentrations of dieldrin in whole fish from United States streams: U.S. Geological Survey Scientific Investigations Report 2006-5020, 40 p. Available Online
Stackelberg, Paul E., Barbash, Jack E., Gilliom, Robert J., Stone, Wesley W., and Wolock David M., 2012, Regression models for estimating concentrations of atrazine plus deethylatrazine in shallow groundwater in agricultural areas of the United States: Journal of Environmental Quality, vol. 41, no. 2, 16 p. doi:10.2134/jeq2011.0200 Available Online
Larson, Steven J., and Gilliom, Robert J., 2001, Regression models for estimating herbicide concentrations in U.S. streams from watershed characteristics: Journal of the American Water Resources Association, vol. 37, no. 5, p. 1349-1367. doi: 10.1111/j.1752-1688.2001.tb03644.x Available Online
Nowell, L.H., Crawford, C.G., Gilliom, R.J., Nakagaki, N., Stone, W.W., Thelin, G.P., Wolocks, D.M., 2009, Regression models for explaining and predicting concentrations of organochlorine pesticides in fish from streams in the United States: Environmental Toxicology and Chemistry, vol. 28, no. 6, p. 1346-1358. doi: 10.1897/08-508.1 Available Online
Sprague, Lori A., and Gronberg, JoAnn M., 2012, Relating management practices and nutrient export in agricultural watersheds of the United States: Journal of Environmental Quality, vol. 41, no. 6, p. 1939-1950. doi: 10.2134/jeq2012.0073 Available Online
Nolan, Bernard T., 2001, Relating nitrogen sources and aquifer susceptibility to nitrate in shallow ground waters of the United States: Ground Water, vol. 39, no. 2, p. 290-299. Available Online
Ator, Scott W., 2000, Relating shallow ground-water quality to surficial hydrogeology in the Mid-Atlantic Coastal Plain: Conference Proceedings- NWQMC National Monitoring Conference 2000, Austin, Texas, p. 409-423.
Kingsbury, James A., 2008, Relation between flow and temporal variations of nitrate and pesticides in two karst springs in northern Alabama: Journal of the American Water Resources Association, vol. 44, no. 2, p. 478-488. Available Online
Ebbert, James C., and Kim, Moon H., 1998, Relation between irrigation method, sediment yields, and losses of pesticides and nitrogen: Journal of Environmental Quality, vol. 27, no. 2, p. 372-380. Available Online
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