National Water-Quality Assessment (NAWQA) Program
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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
Robertson, Dale M., and Richards, Kevin D., 2000, Influence of different temporal sampling strategies on estimating loads and maximum concentrations in small streams: Conference Proceedings NWQMC National Monitoring Conference 2000, Monitoring for the Millennium, p. 209-223.
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
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
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
Waite, Ian R., and Carpenter, Kurt D., 2000, Associations among fish assemblage structure and environmental variables in Willamette Basin stream, Oregon: Transactions of the American Fisheries Society, vol. 129, no. 3, p. 754-770. doi: 10.1577/1548-8659(2000)129<0754:AAFASA>2.3.CO;2 Available Online
Baehr, Arthur L., Charles, Emmanuel G., and Baker, Ronald J., 2001, Methyl tert- butyl either degradation in the unsaturated zone and the relation between MTBE in the atmosphere and shallow ground water: Water Resources Research, vol. 37, no. 2, p. 223-233. 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
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
McMahon, P.B., 2001, Vertical gradients in water chemistry in the Central High Plains Aquifer, southwestern Kansas and Oklahoma Panhandle, 1999: U.S. Geological Survey Water-Resources Investigations Report 01-4028, 47 p. 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
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
Sauer, T.J., Alexander, R.B., Brahana, J.V., and Smith, R.A., 2001, The importance and role of watersheds in the transport of nitrogen: in Follett, R.F. and Hatfield, J.L., eds., Chapter 7 Nitrogen in the Environment: Elsevier, p. 147-181. Available Online
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
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
Alexander, Richard B., Johnes, Penny J., Boyer, Elizabeth W., and Smith, Richard A., 2002, A comparison of models for estimating the riverine export of nitrogen from large watersheds: Biogeochemistry, vol. 57, no. 58, p. 295-339. doi: 10.1023/A:1015752801818 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
McMahon, Gerald and Roessler, Chris, 2002, A regression-based approach to understand baseline total nitrogen loading for TMDL planning: Proceedings of Water Environment Federation National TMDL Science and Policy 2002 Specialty Conference, Phoenix, Arizona, November 13-16,2002, 27 p.
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
Nolan, Bernard T., Hitt, Kerie J., and Ruddy, Barbara C., 2002, Probability of nitrate contamination of recently recharged groundwaters in the conterminous United States: Environmental Science & Technology, vol. 36, no. 10, p. 2138-2145. doi: 10.1021/es0113854 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
Bender, David A., Asher, William E., and Zogorski, John S., 2003, LakeVOC--A Deterministic Model to Estimate Volatile Organic Compound Concentrations in Reservoirs and Lakes: U.S. Geological Survey Open-File Report 03-212, 283 p. Available Online
Bender, David A., Asher, William E., and Zogorski, John S., 2003, LakeVOC--A computer model to estimate the concentration of volatile organic compounds in lakes and reservoirs: U.S. Geological Survey Fact Sheet 104-03, 6 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.
McMahon, Gerald, Alexander, R.B., and Qian, S., 2003, Support of Total Maximum Daily Load programs using spatially referenced regression models: ASCE Journal of Water Resources Planning and Management, vol. 129, no. 4, p. 315-329. doi: 10.1061/(ASCE)0733-9496(2003)129:4(315) Available Online
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