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NAWQA Publications: Nutrients (back to categories)

More Information about Nutrients
Nutrients National Synthesis
  |   Effects of Nutrient Enrichment on Stream Ecosystems  |   Sources, Transport, and Fate of Agricultural Chemicals


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Showing results 151 to 176 of 688.
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Ruhl, Peter M., 1994, Surface-water-quality assessment of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin: Analysis of relations between fish-community structure and environmental conditions in the Fox, Des Plaines, and Du Page River Basins in Illinois, 1982-84: U.S. Geological Survey Water-Resources Investigations Report 94-4094, 50 p.  Available Online

Ruhl, James F., Fong, Alison L., Hanson, Paul E., and Andrews, William J., 2000, Water-quality assessment of part of the Upper Mississippi River Basin, Minnesota and Wisconsin--Ground-water quality in an agricultural area of Sherburne County, Minnesota, 1998: U.S. Geological Survey Water-Resources Investigations Report 00-4107, 33 p.  Available Online

Ruetter, David C., and Dunn, David D., 2000, Water-quality assessment of the Trinity River Basin, Texas--Ground-water quality of the Trinity, Carrizo-Wilcox, and Gulf Coast Aquifers, February-August 1994: U.S. Geological Survey Water-Resources Investigations Report 99-4233, 56 p.  Available Online

Ruetter, David C., 1996, National water-quality assessment of the Trinity River Basin, Texas--Well and water-quality data from the outcrop of Woodbine aquifer in urban Tarrant County, 1993: U.S. Geological Survey Open-File Report 96-413, 32 p.  Available Online

Ruddy, B.C., Lorenz, D.L., and Mueller, D.K., 2006, County-level estimates of nutrient inputs to the land surface of the conterminous United States, 1982-2001: U.S. Geological Survey, Scientific Investigations Report 2006-5012, 17 p.  Available Online

Rowe, Jr., G.L., Reutter, D.C., Runkle, D.L., Hambrook, J.A., Janosy, S.D., and Hwang, L.H., 2004, Water quality in the Great and Little Miami River Basins, Ohio and Indiana, 1999-2001: U.S. Geological Survey Circular 1229, 40 p.  Available Online

Rosen, Michael R., Voss, Frank D., and Arufec, Jorge A., 2008, Evaluation of Intra-annual Variation in U.S. Geological Survey National Water Quality Assessment Ground Water Quality Data: Journal of Environmental Quality, vol. 37, no. 5, p. S199-S208.  doi: 10.2134/jeq2007.0055 Available Online

Rosen, Michael R., and Lapham, Wayne W., 2008, Introduction to the U.S. Geological Survey National Water-Quality Assessment (NAWQA) of Ground-Water Quality Trends and Comparison to Other National Programs: Journal of Environmental Quality, vol. 37, no. 5, p. S190-S198.  doi: 10.2134/jeq2008.0049 Available Online

Rosen, Michael R., 2003, Trends in nitrate and dissolved-solids concentrations in ground water, Carson Valley, Douglas County, Nevada, 1985-2001: U.S. Geological Survey Water-Resources Investigations Report 03-4152, 6 p.  Available Online

Robinson, Keith W., Flanagan, Sarah M., Ayotte, Joseph D., Campo, Kimberly W., Chalmers, Ann, Coles, James F., and Cuffney, Thomas F., 2004, Water quality in the New England coastal basins, Maine, New Hampshire, Massachusetts, and Rhode Island, 1999-2001: U.S. Geological Survey Circular 1226, 38 p.  Available Online

Robinson, Keith W., Campbell, Jean P., and Jaworski, Norbert A., 2003, Water-quality trends in New England rivers during the 20th century: U.S. Geological Survey Water-Resources Investigations Report 03-4012, 20 p.  Available Online

Robinson, James L., 2003, Comparison between agricultural and urban ground-water quality in the Mobile River Basin, 1999-2001: U.S. Geological Survey Water-Resources Investigations Report 03-4182, 38 p.  Available Online

Robinson, James L., 2002, Ground-water quality beneath an urban residential and commercial area, Montgomery, Alabama, 1999-2000: U.S. Geological Survey Water-Resources Investigations Report 02-4052, 37 p.  Available Online

Robinson, J.L., and Journey, C.A., 2004, Geochemical characterization of shallow ground water in the Eutaw aquifer, Montgomery, Alabama: Journal of the American Water Resources Association, vol. 40, no. 4, p. 851-861.  Available Online

Robertson, Dale M., Schwarz, Gregory E., Saad, David A., and Alexander, Richard B., 2009, Incorporating uncertainty into the ranking of SPARROW model nutrient yields from the Mississippi/Atchafalaya River Basin watersheds: Journal of the American Water Resources Association, vol. 45, no. 2, April 2009, p. 534-549.  doi: 10.1111/j.1752-1688.2009.00310.x Available Online

Robertson, Dale M., Saad, David A., and Wieben, Ann M., 2001, An alternative regionalization scheme for defining nutrient criteria for rivers and streams: U.S. Geological Survey Water-Resources Investigations Report 01-4073, 57 p.  Available Online

Robertson, Dale M., and Saad, David A., 1996, Water-quality assessment of the Western Lake Michigan Drainages--Analysis of available information on nutrients and suspended sediment, water years 1971-90: U.S. Geological Survey Water-Resources Investigations Report 96-4012, 165 p.  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. 

Robertson, Dale M., 1998, Evaluation of the surface-water sampling design in the Western Lake Michigan Drainages in relation to environmental factors affecting water quality at base flow: U.S. Geological Survey Water-Resources Investigations Report 98-4072, 53 p.  Available Online

Robertson, Dale M., 1996, Use of frequency-volume analyses to estimate regionalized yields and loads of sediment, phosphorus, and polychlorinated biphenyls to Lakes Michigan and Superior: U.S. Geological Survey Water-Resources Investigations Report 96-4092, 47 p.  Available Online

Robertson, Dale M., 1996, Sources and transport of phosphorus in the Western Lake Michigan Drainages: U.S. Geological Survey Fact Sheet 208-96, 4 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

Robertson, D.M., and Saad, D.A., 2013, SPARROW Models Used to Understand Nutrient Sources in the Mississippi/Atchafalaya River Basin: Journal of Environmental Quality, vol. 42, no. 5, p. 1422-1440.  doi: 10.2134/jeq2013.02.0066 Available Online

Robertson, D.M., and Saad, D.A., 2013, Reply to Discussion - "Nutrient Inputs to the Laurentian Great Lakes by Source and Watershed Estimated Using SPARROW Watershed Models" by R. Peter Richards, Ibrahim Alameddine, J. David Allan, David B. Baker, Nathan S. Bosch, Remegio Confesor, Joseph V. DePinto, David M. Dolan, Jeffrey M. Reutter, and Donald Scavia: Journal of the American Water Resources Association (JAWRA), v. 49, no. 3, p. 725-734.  DOI: 10.1111/jawr.12060 Available Online

Robertson, D.M., and Saad, D.A., 2011, Nutrient Inputs to the Laurentian Great Lakes by Source and Watershed Estimated Using SPARROW Watershed Models: JAWRA Journal of the American Water Resources Association, 47, p. 1011-1033.  DOI: 10.1111/j.1752-1688.2011.00574.x Available Online

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