National Water-Quality Assessment (NAWQA) Program
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Showing results 1576 to 1601 of 2000.
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Phillips, P.J., Ator, S.W., and Nystrom, E.A., 2007, Temporal Changes in Surface-Water Insecticide Concentrations after the Phaseout of Diazinon and Chlorpyrifos: Environmental Science and Technology, vol. 41, no. 12, p. 4246-4251. doi: 10.1021/es070301 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
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
Kolpin, Dana W., Sneck-Fahrer, Debra A., Hallberg, George R., and Libra, Robert D., 1997, Temporal trends of selected agricultural chemicals in Iowa's ground water, 1982-1995: Are things getting better?: Journal of Environmental Quality, vol. 26, no.4, July-August 1997, p. 1007-1017. Available Online
Gilliom, Robert J., Barbash, Jack E., Kolpin, Dana W., and Larson, Steven J., 1999, Testing water quality for pesticide pollution: Environmental Science & Technology, April 1,1999, p. 164A-169A. Available Online
Spruill, Timothy B., Harned, Douglas A., and McMahon, Gerard, 1995, The Albemarle-Pamlico Drainage National Water-Quality Assessment Study: Background and design: U.S. Geological Survey Open-File Report 95-164, 4 p. Available Online
Thomas, Mary Ann, 2007, The association of arsenic with redox conditions, depth, and ground-water age in the glacial aquifer system of the northern United States: U.S. Geological Survey Scientific Investigations Report 2007-5036, 26 p. Available Online
Demas, Charles R., Brazelton, Sebastian R., and Powell, Nancy J., 2001, The Atchafalaya Basin--River of trees: U.S. Geological Survey Fact Sheet 021-02, 2 p. Available Online
Capel, Paul D., Larson, Steven J., and Winterstein, Thomas A., 2001, The behavior of 39 pesticides in surface waters as a function of scale: Hydrological Processes, vol. 15, p. 1251-1269. doi: 10.1002/hyp.212 Available Online
Chalmers, A.T., Van Metre, P.C., and Callender, E., 2007, The chemical response of particle-associated contaminants to urbanization in New England, U.S.A.: Journal of Contaminant Hydrology, vol. 91, p 4-25. doi: 10.1016/j.jconhyd.2006.08.007 Available Online
Van Metre, P.C., and Mahler, B.J., 2003, The contribution of particles washed from rooftops to contaminant loading to urban streams: Chemosphere, vol. 52, p. 727-1741. doi: 10.1016/S0045-6535(03)00454-5 Available Online
Van Metre, P.C., and Mahler, B.J., 2003, The contribution of particles washed from rooftops to contaminant loading to urban streams: Proceedings of the 2nd International Symposium on Contaminated Sediments, Quebec City, Canada, May 2003, 8 p.
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
Shedlock, R.J., 1993, The Delmarva study: Geotimes, December 1993 vol. 38, no. 12, p. 12-14.
Thomas, Mary Ann, 2000, The effect of residential development on ground-water quality near Detroit, Michigan: Journal of the American Water Resources Association, vol. 36, no. 5, October 2000, p. 1023-1038. doi: 10.1111/j.1752-1688.2000.tb05707.x Available Online
Coles, J.F., Bell, A.H., Scudder, B.C., and Carpenter, K.D., 2009, The effects of urbanization and other environmental gradients on algal assemblages in nine metropolitan areas across the United States: U.S. Geological Survey Scientific Investigations Report 2009-5022, 18 p. Available Online
Brown, L.R., Gray, R., Hughes, R, and Meador, M.R., editors, 2005, The effects of urbanization on aquatic ecosystems: American Fisheries Society, Symposium 47, Bethesda, Maryland, 423 p.
McMahon, G., Harned, D., Bell, A., Sadorf, E., Caire, T., Ippolito, F., Dileo, J., Garcia, A.M., and Williams, N., 2010, The Effects of Urbanization on Stream Ecosystems (extended) Part I: Introduction: U.S. Geological Survey Multimedia Gallery Home Video 239, 5:06 minutes. Available Online
McMahon, G., Harned, D., Douglas, R., Bell, A., Sadorf, E., Caire, T., Ippolito, F., DiLeo, J., Garcia, A.M., and Williams, N., 2010, The Effects of Urbanization on Stream Ecosystems (extended) Part II: Study Design: U.S. Geological Survey Multimedia Gallery Home Video 240, 5:12 minutes. Available Online
McMahon, G., Harned, D., Douglas, R., Bell, A., Sadorf, E., Caire, T., Ippolito, F., DiLeo, J., Garcia, A.M., and Williams, N., 2010, The Effects of Urbanization on Stream Ecosystems (extended) Part III: Study Results: U.S. Geological Survey Multimedia Gallery Home Video 241, 6:42 minutes Available Online
Coles, J.F., Cuffney, T.F., McMahon, G., and Beaulieu, K.M., 2004, The effects of urbanization on the biological, physical, and chemical characteristics of coastal New England streams: U.S. Geological Survey Professional Paper 1695, 47 p. Available Online
Kolpin, D.W., Thurman, E.M., and Linhart, S.M., 1998, The Environmental Occurrence of Herbicides: The Importance of Degradates in Ground Water: Archives of Environmental Contamination and Toxicology, vol. 35, p. 385-390. doi: 10.1007/s002449900392 Available Online
Welch, H.L., Green, C.T., Coupe, R.H., 2011, The fate and transport of nitrate in shallow groundwater in northwestern Mississippi, USA: Hydrogeology Journal, 14 p., online in advance of print. doi: 10.1007/s10040-011-0748-8 Available Online
Fitzgerald, Sharon A., and Steuer, Jeffrey J., 1996, The Fox River PCB transport study--Stepping stone to a healthy Great Lakes ecosystem: U.S. Geological Survey Fact Sheet FS-116-96, 4 p. Available Online
Barbash, J.E. , 2007, The geochemistry of pesticides. In: Environmental Geochemistry (ed. B. S. Lollar), Volume 9 of Treatise on Geochemistry (eds. H.D.Holland and K.K. Turekian): Elsevier--Pergamon, Oxford, UK, on-line edition, 43 p. Available Online
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