National Water-Quality Assessment (NAWQA) Program
More Information about Modeling
Modeling and Software
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Erwin, M.L., and Tesoriero, A.J., 1997, Predicting ground-water vulnerability to nitrate in the Puget Sound Basin: U.S. Geological Survey Fact Sheet 061-97, 4 p. Available Online
Anning, D.W., Paul, A.P., McKinney, T.S., Huntington, J.M., Bexfield, L.M., and Thiros, S.A., 2012, Predicted nitrate and arsenic concentrations in basin-fill aquifers of the southwestern United States: U.S. Geological Survey Scientific Investigations Report 2012-5065, 78 p. Available Online
Domagalski, J.L., and Johnson, Henry, 2012, Phosphorus and Groundwater: Establishing links between agricultural use and tansport to streams: U.S. Geological Survey Fact Sheet 2012-3004 , 4 p. Available Online
Hanson, Paul E., 1998, Pesticides and nitrates in surficial sand and gravel aquifers as related to modeled contamination susceptibility in part of the Upper Mississippi River Basin: U.S. Geological Survey Fact Sheet FS 107-98, 4 p. Available Online
Green, C.T., Stonestrom, D.A., Bekins, B.A., Akstin, K.C., and Schulz, M.S., 2005, Percolation and transport in a sandy soil under a natural hydraulic gradient: Water Resources Research, vol. 41, W10414, 17 p. doi: 10.1029/2005WR004061 Available Online
Eberts, Sandra M., Kauffman, Leon J., Bexfield, Laura M., and Lindgren, Richard J., 2011, Overview of Chapter B: Additional regional investigations of the transport of anthropogenic and Natural contaminants to public-supply wells, Section 1 in Eberts, Sandra M., ed., Hydrogeologic settings and groundwater-flow simulations for regional investigations of the transport of anthropogenic and natural contaminants to public-supply wells--Investigations begun in 2004: U.S. Geological Survey Professional Paper 1737-B, Section 1, p.1-1 to 1-6. Available Online
Qian, S.S., Cuffney, T.F., Alameddine, Ibrahim, McMahon, Gerard, and Reckhow, K.H., 2010, On the application of multilevel modeling in environmental and ecological studies: Ecology, vol. 91, no. 2, p. 355-361, published on-line. Available Online
Caskey, B.J., Justus, B.G., and Zappia, Humbert, 2002, Occurrence of invertebrates at 38 stream sites in the Mississippi Embayment study unit, 1996-99: U.S. Geological Survey Open-File Report 02-190, CD-ROM. Available Online
Nolan, Bernard T., and Stoner, Jeffrey D., 2000, Nutrients in groundwaters of the conterminous United States, 1992-1995: Environmental Science and Technology, vol. 34, no. 7, p. 1156-1165. doi: 10.1021/es9907663 Available Online
Brown, J.B., Sprague, L.A., and Dupree, J.A., 2011, Nutrient sources and transport in the Missouri River Basin, with emphasis on the effects of irrigation and reservoirs: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 27 p. doi: 10.1111/j.1752-1688.2011.00584.x Available Online
Trench, Elaine C. Todd, 2000, Nutrient sources and loads in the Connecticut, Housatonic, and Thames River Basins: U.S. Geological Survey Water-Resources Investigations Report 99-4236, 66 p. Available Online
Robertson, D.M., and Saad, D.A., 2001, Nutrient inputs to the Laurentian Great Lakes by source and watershed estimated using SPARROW watershed models: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 23 p. doi: 10.1111/j.1752-1688.2011.00574.x Available Online
Clark, Gregory M., Mueller, David K., and Mast M. Alisa, 2000, Nutrient concentrations and yields in undeveloped stream basins of the United States: Journal of the American Water Resources Association, vol. 36, no. 4, August 2000, p. 849-860. doi: 10.1111/j.1752-1688.2000.tb04311.x Available Online
Trench, E.C. Todd, Moore, R.B., Ahearn, E.A., Mullaney, J.R., Hickman, R.E., and Schwarz, G.E., 2012, Nutrient concentrations and loads in the northeastern United States--Status and trends, 1975-2003: U.S. Geological Survey Scientific Investigations Report 2011-5114, 169 p. Available Online
Wise, Daniel R., Rinella III, Frank A., Rinella, Joseph F., Fuhrer, Greg J., Embrey, Sandra S., Clark, Gregory E., Schwarz, Gregory E., and Sobieszczyk, Steven, 2007, Nutrient and Suspended-Sediment Transport and Trends in the Columbia River and Puget Sound Basins, 1993-2003: U.S. Geological Survey Scientific Investigations Report 2007-5186, 117 p. Available Online
Skinner, K.D., and Rupert, M.G., 2012, Numerical model simulations of nitrate concentrations in groundwater using various nitrogen input scenarios, mid-Snake region, south-central Idaho: U.S. Geological Survey Scientific Investigations Report 2012-5237, 30p. Available Online
Weeks, E.P., and McMahon, P.B., 2007, Nitrous oxide fluxes from cultivated areas and rangeland: U.S. High Plains: Vadose Zone Journal, vol. 6, p. 496-510. doi: 10.2136/vzj2006.0164 Available Online
Nolan, B.T., and Ruddy, B.C., 1996, Nitrate in ground waters of the United States--Assessing the risk: U.S. Geological Survey Fact Sheet 092-96, 4 p. Available Online
Hitt, K.J., and Nolan, B.T., 2005, Nitrate in ground water--using a model to simulate the probability of nitrate contamination of shallow ground water in the conterminous United States: U.S. Geological Survey Scientific Investigations Map 2881, 2 sheets. Available Online
New England Interstate Water Pollution Control Commission (NEIWPCC), 2004, New England SPARROW water quality model: IWR (Interstate Water Report newsletter), vol. 1, no. 3, Summer 2004, p. 6-7.
Wong, Charles S., Capel, Paul D., and Nowell, Lisa H., 2001, National-scale, field-based evaluation of the biota--Sediment accumulation factor model: Environmental Science & Technology, vol. 35, no. 9, p. 1709-1715. doi: 10.1021/es0016452 Available Online
Frick, E.A., Stell, S.M., and Buell, G.R., 1993, National Water-Quality Assessment Program: A preliminary evaluation of 1990 nutrient loads for the Apalachicola-Chattahoochee-Flint River Basin: Proceedings of the 1993 Georgia Water Resources Conference, April 20-21, 1993 Athens, Georgia, 5 p.
Cuffney, T.F., Kashuba, R., Qain, S.S., Alameddine, I., Cha, Y.K., and Lee, B., 2011, Multilevel regression models describing regional patterns of invertebrate and algal responses to urbanization across the USA: Journal of the North American Benthological Society, vol. 30, no. 3, p. 797-819. doi: 10.1899/10-140.1 Available Online
Kashuba, Roxolana, Cha, YoonKyung, Alameddine, Ibrahim, Lee, Boknam, and Cuffney, T.F., 2010, Multilevel hierarchical modeling of benthic macroinvertebrate responses to urbanization in nine metropolitan regions across the conterminous United States: U.S. Geological Survey Scientific Investigations Report 2009-5243, 88 p. Available Online
Bohlke, J.K., Antweiler, R.C., Harvey, J.W., Laursen, A.E., Smith, L.K., Smith R.L., and Voytek, M.A., 2009, Multi-scale measurements and modeling of denitrification: Biogeochemistry (2009) 93:117-141, p. 117-141. doi: 10.1007/s10533-008-9282-8 Available Online
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