National Water-Quality Assessment (NAWQA) Program
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Showing results 526 to 551 of 606.
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Potapova, Marina, and Carlisle, D.M., 2011, Development and application of indices to assess the condition of benthic algal communities in U.S. streams and rivers: U.S. Geological Survey Open File Report 2011-1126, 40 p. Available Online
Preston, S.D., Alexander, R.B., and Wolock, D.M., 2011, SPARROW modeling to understand water-quality conditions in major regions of the United States: A featured collection introduction: Journal of the American Water Resources Association, online 22Aug2011, 4 p. doi: 10.1111/j.1752-1688.2011.00585.x Available Online
Preston, S.D., Alexander, R.B., and Woodside, M.D., 2011, Regional assessments of the Nation's water quality--Improved understanding of stream nutrient sources through enhanced modeling capabilities: U.S. Geological Survey Fact Sheet 2011-3114, 6 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
Rebich, R.A., Houston, N.A., Mize, S.V., Pearson, D.K., Ging, P.B., and Hornig, C.E., 2011, Sources and delivery of nutrients to the northwestern Gulf of Mexico from streams in the South-Central United States: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 26 p. doi: 10.1111/j.1752-1688.2011.00583.x Available Online
Riseng, C.M., Wiley, M.J., Black, R.W., and Munn, M.D., 2011, Impacts of agricultural land use on biological integrity: a casual analysis: Ecological Applications vol. 21, no. 8, p. 3128-3146. Available Online
Riva-Murray, K., Chasar, L.C., Bradley, P.M., Burns, D.A., Brigham, M.E., Smith, M.J., Abrahamsen, T.A., 2011, Spatial patterns of mercury in macroinvertebrates and fishes from streams of two contrasting forested landscapes in the eastern United States: Ecotoxicology, 15 p., online in advance of print. doi: 10.1007/s10646-011-0719-9 Available Online
Saad, D.A., Schwarz, G.E., Robertson, D.M., and Booth, N.L., 2011, A multi-agency nutrient dataset used to estimate loads, improve monitoring design, and calibrate regional nutrient SPARROW models: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 17 p. doi: 10.1111/j.1752-1688.2011.00575.x Available Online
Schelker, J., Burns, D.A., Weiler, M., and Laudon, H., 2011, Hydrological mobilization of mercury and dissolved organic carbon in a snow-dominated, forested watershed: Conceptualization and modeling : Journal of Geophysical Research, vol. 116, G01002, 17 p. doi:10.1029/2010JG001330 Available Online
Schwarz, G.E., Alexander, R.B., Smith, R.A., and Preston, S.D., 2011, The regionalization of national-scale SPARROW models for stream nutrients: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 22 p. doi: 10.1111/j.1752-1688.2011.00581.x Available Online
Starn, Jeffrey, Bagtzoglou, Amvrossios C., 2011, Programs for calibration-based Monte Carlo simulation of recharge areas: Ground Water, online in advance of print, October 2011, 5 p. 10.1111/j.1745-6584.2011.00868.x Available Online
Tesoriero, Anthony J., and Puckett, Larry J., 2011, O2 reduction and denitrification rates in shallow aquifers: Water Resources Research, vol. 47, W12522, 17 p. doi: 10.1029/2011WR010471 Available Online
Thiros, S.A., Bender, D.A., Mueller, D.K., Rose, D.L., Olsen, L.D., Martin, J.D., Bernard, B., and Zogorski J.S., 2011, Design and evaluation of a field study on the contamination of selected volatile organic compounds and wastewater-indicator compounds in blanks and groundwater samples: U.S. Geological Survey Scientific Investigations Report 2011-5027, 85 p. Available Online
Vicory, A., Anderson, W., Preston, S., Qualls, S., and Capelli, K. (producer), 2011, Congressional Briefing on SPARROW Model: U.S. Geological Survey Multimedia Gallery Home Video 462, 55:18 minutes. Available Online
Vogel, J.R., and Linard, J.I., 2011, Agricultural herbicide transport in a first-order intermittent stream, Nebraska, USA: Applied Engineering in Agriculture, vol. 27, no. 1, p. 63-74.
Webb, R.M.T., Sandstrom, M.W., Krutz, L.J., and Shaner, D.L. , 2011, Simulation of branched serial first-order decay of atrazine and metabolites in adapted and nonadapted soils: Environ. Toxicol. Chem. vol.30, no. 9, , p. 1973-1981. doi: 10.1002/etc.597 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
Wise, D.R., and Johnson, H.M., 2011, Surface-water nutrient conditions and sources in the United States Pacific Northwest: Journal of the American Water Resources Association, online 22Aug2011 in advance of print, 26 p. doi: 10.1111/j.1752-1688.2011.00580x Available Online
Bright, P.R., Buxton, H.T., Balistrieri, L.S., Barber, L.B., Chapelle, F.H., Cross, P.C., Krabbenhoft, D.P., Plumlee, G.S., Sleeman, J.M., Tillitt, D.E., Toccalino, P.L., and Winton, J.R., 2012, USGS Environmental health science strategy--Providing environmental health science for a changing world--Public review release: U.S. Geological Survey Open-File Report 2012-1069, 37 p. Available Online
Ator, Scott W., and Denver, Judith M., 2012, Estimating contributions of nitrate and herbicides from groundwater to headwater streams, Northern Atlantic Coastal Plain, United States: Journal of the American Water Resources Association, online 20Sept2012 in advance of print, 16 p. doi: 10.1111 /j.1752-1688.2012.00672.x Available Online
Barlow, Jeannie R.B., Kingsbury, James A., and Coupe, Richard H., 2012, Changes in shallow groundwater quality beneath recently urbanized areas in the Memphis, Tennessee area: Journal of the American Water Resources Association, vol. 48, no. 2, p. 336-354. doi: 10.1111/j.1752-1688.2011.00616.x Available Online
Beaulieu, K.M., Bell, A.H., and Coles, J.F., 2012, Variability in stream chemistry in relation to urban development and biological condition in seven metropolitan areas of the United States, 1999-2004: U.S. Geological Survey Scientific Investigations Report 2012-5170, 27 p. Available Online
Beaulieu, K.M., Button, D.T., Scudder Eikenberry, B.C., Riva-Murray, K., Chasar, L.C., Bradley, P.M., and Burns, D.A., 2012, Mercury bioaccumulation studies in the National Water-Quality Assessment Program--Biological data from New York and South Carolina, 2005-2009: U.S. Geological Survey Data Series 705, 13 p. Available Online
Bell, A.H., Coles, J.F., and McMahon, Gerard, 2012, Stream ecosystems change with urban development: U.S. Geological Survey General Information Product 143, 1 p. Available Online
Bell, A.H., Coles, J.F., McMahon, Gerard, and Woodside, M.D., 2012, Urban development results in stressors that degrade stream ecosystems: U.S. Geological Survey Fact Sheet 2012-3071, 6 p. Available Online
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