National Water-Quality Assessment (NAWQA) Program
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Zinn, B.A., and Konikow, L.F., 2007, Effects of intraborehole flow on groundwater age distribution: Hydrogeology Journal, vol. 15, no. 4, June, p. 633-643. doi: 10.1007/s10040-006-0139-8 Available Online
Kauffman, Leon J., Baehr, Arthur L., Ayers, Mark A., and Stackelberg, Paul E., 2001, Effects of land use and travel time on the distribution of nitrate in the Kirkwood-Cohansey aquifer system in southern New Jersey: U.S. Geological Survey Water-Resources Investigations Report 01-4117, 49 p. Available Online
Calhoun, Daniel L., Frick, Elizabeth A., and Buell, Gary R., 2003, Effects of urban development on nutrient loads and streamflow, upper Chattahoochee River Basin, Georgia, 1976-2001: in Hatcher, K.J., ed., Proceedings of the 2003 Georgia Water Resources Conference, April 23-24, University of Georgia, Athens, Georgia, 5 p.
Cuffney, T.F., Zappia, Humbert, Giddings, E.M.P., and Coles, J.R., 2005, Effects of urbanization on benthic macroinvertebrated assemblages in contrasting environmental settings: Boston, Massachusetts; Birmingham, Alabama; and Salt Lake City, Utah: in Brown, L.R., Gray, R.H., Hughes, R.M., and Meador, M.R., eds., Effects of Urbanization on Stream Ecosystems: AFS Symposium 47, American Fisheries Society, p. 361-407. Available Online
Alexander, R.B., Brakebill, J.W., Brew, R.E., and Smith, R.A., 1999, ERF1-Enhanced River Reach File 1.2: U.S. Geological Survey Open-File Report 99-457, map. Available Online
Squillace, Paul J., and Moran, Michael J., 2000, Estimating the likelihood of MTBE occurrence in drinking water supplied by ground-water sources in the Northeast and Mid-atlantic regions of the United States: U.S. Geological Survey Open-File Report 00-343, 10 p. Available Online
Alexander, Richard B., Elliott, Alexander H., Shankar, Ude, and McBride, Graham B., 2002, Estimating the sources and transport of nutrients in the Waikato River Basin, New Zealand: Water Resources Research 2002, 23 p. doi: 10.1029/2001WR000878 Available Online
Wolock, David M., and Kauffman, Leon K., 2002, Estimating water-quality conditions in unmonitored water resources: Water Resources Impact, vol. 4, no. 4, July 2002, p. 26-31. Available Online
Lizarraga, Joy S., 1997, Estimation and analysis of nutrient and suspended- sediment loads at selected sites in the Potomac River Basin, 1993-95: U.S. Geological Survey Water-Resources Investigations Report 97-4154, 23 p. Available Online
Carlisle, D.M., Meador, M.R., Moulton II, S.R., and Ruhl, P.M., 2007, Estimation and application of indicator values for common macroinvertebrate genera and families of the United States: Ecological Indicators, vol. 7, p. 22-33. doi: 10.1016/j.ecolind.2005.09.005 Available Online
Puckett, Larry J., Cowdery, T.K., Lorenz, D.L., and Stoner, J.D., 1999, Estimation of nitrate contamination of an Agro-Ecosystem Outwash Aquifer using a nitrogen mass-balance budget: Journal of Environmental Quality, vol. 28, no. 6, Nov.-Dec. 1999, p. 2015-2025. Available Online
Mullaney, John R., Schwarz, Gregory E., and Trench, Elaine C. Todd, 2002, Estimation of nitrogen yields and loads from basins draining to Long Island Sound, 1988-98: U.S. Geological Survey Water-Resources Investigations Report 02-4044, 84 p. Available Online
Capel, Paul D., and Zhang, Hua, 2000, Estimation of potential loss of two pesticides in runoff in Fillmore County, Minnesota using a field-scale process-based model and a geographic information system: in Steinheimer, Thomas, R., Ross, Lisa J., and Spittler, Terry D., eds., ACS Symposium Series 175-- Agrochemical fate and movement, Chapter 12, p. 172-184.
Burow, Karen R., Panshin, Sandra Y., Dubrovsky, Neil.M., Vanbrocklin, David, and Fogg, Graham E., 1999, Evaluation of processes affecting 1,2-dibromo-3- chloropropane (DBCP) concentrations in ground water in the eastern San Joaquin Valley, California: Analysis of chemical data and ground-water flow and transport simulations: U.S. Geological Survey Water-Resources Investigations Report 99-4059, 57 p. Available Online
Nolan, B.T., Bayless, E.R., Green, C.T., Garg, S., Voss, F.D., Lampe, D.C., Barbash, J.E., Capel, P.D. and Bekins, B.A., 2005, Evaluation of unsaturated-zone solute-transport models for studies of agricultural chemicals: U.S. Geological Survey Open-File Report 2005-1196, 16 p. Available Online
Preston, S.D., Alexander, R.B., Schwarz, G.E., and Crawford, C.G., 2011, Factors affecting stream nutrient loads: A synthesis of regional SPARROW model results for the continental United States: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 25 p. doi: 10.1111/j.1752-1688.2011.00577.x 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
Liao, Lixia, Green, Christopher T., Bekins, Barbara A., and Bohlke, J.K., 2012, Factors controlling nitrate fluxes in groundwater in agricultural areas: Water Resources Research, vol. 48, W00L09, 18 p. doi: 10.1029/2011WR011008, Available Online
Meador, M.R., Coles, J.F., and Zappia, Humbert, 2005, Fish assemblage responses to urban intensity gradients in contrasting metropolitan areas: Birmingham, Alabama and Boston, Massachusetts: in Brown, L.R., Gray, R.H., Hughes, R.M., and Meador, M.R., eds., Effects of Urbanization on Stream Ecosystems: AFS Symposium 47, American Fisheries Society, p. 409-423. Available Online
Sullivan, Daniel J., 2000, Fish communities and their relation to environmental factors in the Eastern Iowa Basins in Iowa and Minnesota, 1996: U.S. Geological Survey Water-Resources Investigations Report 00-4194, 20 p. Available Online
Saad, David A., and Thorstenson Donald C., 1998, Flow and geochemistry along shallow ground-water flowpaths in an agricultural area in southeastern Wisconsin: U.S. Geological Survey Water-Resources Investigations Report 98-4179, 62 p. Available Online
Parkhurst, D.L., Christenson, S.C., and Breit, G.N., 1992, Ground-water-quality assessment of the Central Oklahoma aquifer, Oklahoma: Geochemical and geohydrologic investigations: U.S. Geological Survey Open-File Report 92-642, 214 p. Available Online
Parkhurst, David L.,Christenson, Scott C., and Breit, George N., 1996, Ground-water-quality assessment of the central Oklahoma Aquifer, Oklahoma; geochemical and geohydrologic investigations: U.S. Geological Survey Water-Supply Paper 2357-C, 101 p. Available Online
Arnold, T.L., Warner, K.L., Groschen, G.E., Caldwell, J.P., and Kalkhoff, S.J., 2008, Hydrochemical regions of the glacial aquifer system, northern United States, and their environmental and water-quality characteristics: U.S. Geological Survey Scientific Investigations Report 2008-5015, 84 p. Available Online
Burow, K.R., Weissmann, G.S., Miller, R.D., and Placzek, G., 1997, Hydrogeologic facies characterization of an alluvial fan near Fresno, California, using geophysical techniques: U.S. Geological Survey Open-File Report 97-46, 15 p. Available Online
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