National Water-Quality Assessment (NAWQA) Program
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Showing results 501 to 526 of 2000.
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Sprague, L.A., Zuellig, R.E., and Dupree, J.A., 2006, Effects of urban development on stream ecosystems along the Front Range of the Rocky Mountains, Colorado and Wyoming: U.S. Geological Survey Fact Sheet 2006-3083, 4 p. Available Online
Sprague, L.A., Zuellig, R.E., and Dupree, J.A., 2006, Effects of urbanization on stream ecosystems in the South Platte River Basin, Colorado and Wyoming: U.S. Geological Survey Scientific Investigations Report 2006-5101-A, 139 p. Available Online
Sprague, Lori A., Clark, Melanie L., Rus, David L., Zelt, Ronald B, Flynn, Jennifer L., and Davis, Jerri V., 2006, Nutrient and Suspended-Sediment Trends in the Missouri River Basin, 1993-2003: U.S. Geological Survey Scientific Investigations Report 2006-5231, 80 p. Available Online
Squillace, P.J., and Moran, M.J., 2006, Factors associated with sources, transport, and fate of volatile organic compounds in aquifers of the United States and implications for ground-water management and assessments: U.S. Geological Survey Scientific Investigations Report 2005-5269, 40 p. Available Online
Stackelberg, P.E., Gilliom, R.J., Wolock, D.M., and Hitt, K.J., 2006, Development and application of a regression equation for estimating the occurrence of atrazine in shallow ground water beneath agricultural areas of the United States: U.S. Geological Survey, Scientific Investigations Report 2005-5287, 12 p. Available Online
Stanton, J.S., and Fahlquist, Lynne, 2006, Ground-water quality beneath irrigated cropland of the northern and southern High Plains Aquifer, Nebraska and Texas, 2003-04: U.S. Geological Survey Scientific Investigations Report 2006-5196, 39 p. Available Online
Stanton, J.S., and Qi, S.L., 2006, Ground-water quality of the northern High Plains aquifer, 1997, 2002-04: U.S. Geological Survey Scientific Investigations Report 2006-5138, 59 p. Available Online
Stone, W.W., and Wilson, J.T., 2006, Preferential flow estimates to an agricultural tile drain with implications for glyphosate transport: Journal of Environmental Quality, vol. 35, no. 5, p. 1825-1835. doi:10.2134/jeq2006.0068 Available Online
Terrio, Paul J., 2006, Concentrations, fluxes, and yields of nitrogen, phosphorus, and suspended sediment in the Illinois River Basin, 1996-2000: U.S. Geological Survey Scientific Investigations Report 2006-5078, 48 p. Available Online
Thoms, R.B., Johnson, R.L., and Healy, R.W., 2006, User's guide to the variably saturated flow (VSF) process for MODFLOW: U.S. Geological Survey Techniques and Methods, 6-A18, 58 p. Available Online
Toccalino, P.L., and Norman, J.E., 2006, Health-Based Screening Levels to Evaluate U.S. Geological Survey Ground-Water Quality Data: Risk Analysis, vol. 26, no. 5, p. 1339-1348. doi: 10.1111/j.1539-6924.2006.00805.x Available Online
Toccalino, P.L., Rowe, B.L., and Norman, J.E., 2006, Volatile organic compounds in the Nation's drinking-water supply wells-What findings may mean to human health: U.S. Geological Survey Fact Sheet 2006-3043, 4 p. Available Online
Van Metre, P.C., Horowitz, A.J., Mahler, B.J., Foreman, W.T., Fuller, C.C., Burkhardt, M.R., Elrick, K.A., Furlong, E.T., Skrobialowski, S.C., Smith, J.J., Wilson, J.T., and Zaugg, S.D., 2006, Effects of Hurricanes Katrina and Rita on the chemistry of bottom sediments in Lake Pontchartrain, Louisiana, USA: Environmental Science and Technology, vol. 40, no. 22, p. 6894-6902. doi: 10.1021/es060933g Available Online
Van Metre, P.C., Horowitz, A.J., Mahler, B.J., Foreman, W.T., Fuller, C.C., Burkhardt, M.R., Elrick, K.A., Furlong, E.T., Skrobialowski, S.C., Smith, J.J., Wilsont, J.T., and Zaugg, S.D., 2006, Effects of Hurricanes Katrina and Rita on the chemistry of bottom sediments in Lake Pontchartrain: in Science and the Storms: the USGS response to the hurricanes of 2005, Eds. G.S. Ferris, G.J. Smith, M.P. Crane, C.R. Demas, L.L. Robbins, and D.L. Lavoie. U.S. Geological Survey Circular 1306, 274 p. Available Online
Van Metre, P.C., Wilson, J.T., and Kimball, B., 2006, Sources of polychlorinated biphenyls to Devil's Swamp Lake, Louisiana: U.S. Geological Survey Scientific Investigations Report 2006-5301, 51 p. Available Online
Van Metre, Peter, Mahler, Barbara, Soggins, Mateo, and Hamilton, P.A., 2006, Parking-lot sealcoat--A major source of polycyclic aromatic hydrocarbons (PAHs) in urban and suburban environments: U.S. Geological Survey Fact Sheet 2005-3147, 4 p. Available Online
Vecchia, A.V., and Crawford, C.G., 2006, Simulation of daily pesticide concentrations from watershed characteristics and monthly climatic data: U.S. Geological Survey Scientific Investigations Report 2006-5181, 60 p. Available Online
Vieira, Nicole K.M., Poff, N. LeRoy, Carlisle, Daren M., Moulton II, Stephen R., Koski, Marci L., and Kondratieff, Boris C., 2006, A database of lotic invertebrate traits for North America: U.S. Geological Survey Data Series 187, 19 p. Available Online
Zogorski, John S., Carter, Janet M., Ivahnenko, Tamara, Lapham, Wayne W., Moran, Michael J., Rowe, Barbara L., Squillace, Paul J., and Toccalino, Patricia L., 2006, Volatile organic compounds in the Nation's ground water and drinking-water supply wells: U.S. Geological Survey Circular 1292, 101 p. Available Online
Andrews, W.J., Stark, J.R., Fong, A.L., and Fallon, J.D., 2005, Water-quality assessment of part of the Upper Mississippi River Basin, Minnesota and Wisconsin--Ground-water quality along a flow system in the Twin Cities metropolitan area, Minnesota, 1997-98: U.S. Geological Survey Scientific Investigations Report 2005-5120, 44 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
Bartos, Timothy T., Eddy-Miller, Cheryl A., Norris, Jodi R., Gamper, Merry E., and Hallberg, Laura L., 2005, Water-quality characteristics of Quaternary unconsolidated-deposit aquifers and lower Tertiary aquifers of the Bighorn Basin, Wyoming and Montana, 1999-2001: U.S. Geological Survey Scientific Investigations Report 2004-5252, 155 p. Available Online
Bell, A.H. and Scudder, B.C., 2005, Bioaccumulation of mercury in riverine periphyton: U.S. Geological Survey Open-File Report 2004-1446, 8 p. Available Online
Besse, R.E., Van Metre, P.C., and Wilson, J.T., 2005, Distribution and sources of polychlorinated biphenyls in Woods Inlet, Lake Worth, Fort Worth, Texas, 2003: U.S. Geological Survey Scientific Investigations Report 2005-5064, 40 p. Available Online
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