Full TGIF Record # 131859
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2004.tb01608.x/pdf
    Last checked: 12/16/2010
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Publication Type:
Author(s):Coulter, Chris B.; Kolka, Randy K.; Thompson, James A.
Author Affiliation:Coulter: Department of Agronomy, University of Kentucky, Lexington, Kentucky; Kolka: Research Soil Scientist, United States Department of Agriculture Forest Service, North Central Research Station, Grand Rapids Minnesota; Thompson: Assistant Professor, Department of Soil Sciences, North Carolina State University, Raleigh, North Carolina
Title:Water quality in agricultural, urban, and mixed land use watersheds
Source:Journal of the American Water Resources Association/AWRA. Vol. 40, No. 6, December 2004, p. 1593-1601.
# of Pages:9
Publishing Information:Herdon, VA: American Water Resources Association
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.2004.tb01608.x/abstract
    Last checked: 12/16/2010
    Notes: Abstract only
Keywords:TIC Keywords: Water quality; Nonpoint source pollution; Watershed management; Chemicals; Land use; Watersheds; Comparisons; Phosphorus; Temperatures; pH; Urban development
Abstract/Contents:"Water quality and nonpoint source (NPS) pollution are important issues in many areas of the world, including the Inner Bluegrass Region of Kentucky where urban development is changing formerly rural watersheds into urban and mixed use watersheds. In watersheds where land use is mixed, the relative contributions of NPS pollution from rural and urban land uses can be difficult to separate. To better understand NPS pollution sources in mixed use watersheds, surface water samples were taken at three sites that varied in land use to examine the effect of land use on water quality. Within the group of three watersheds, one was predominately agriculture (Agricultural), one was predominately urban (Urban), and a third had relatively equal representation of both types of land uses (Mixed). Nitrogen (N), phosphorus (P), total suspended solids (TSS), turbidity, pH, temperature, and streamflow were measured for one year. Comparisons are made among watersheds for concentration and fluxes of water quality parameters. Nitrate and orthophosphorate concentrations were found to be significantly higher in the Agricultural watershed. Total suspended solids, turbidity, temperature, and pH, were found to be generally higher in the Urban and Mixed watersheds. No differences were found for steamflow (per unit area), total phosphorus, and ammonium concentrations among watersheds. Fluxes of orthophosphate were greater in the Agricultural watershed that in the Urban watershed while fluxes of TSS were greater in the Mixed watershed when compared to the Agricultural watershed. Fluxes of nitrate, ammonium, and total phosphorus did not vary among watersheds. It is apparent from the data that Agricultural land uses are generally a greater source of nutrients than the Urban land uses while Urban land uses are generally a greater source of suspended sediment."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Coulter, C. B., R. K. Kolka, and J. A. Thompson. 2004. Water quality in agricultural, urban, and mixed land use watersheds. Water Resour. Bull. 40(6):p. 1593-1601.
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DOI: 10.1111/j.1752-1688.2004.tb01608.x
Web URL(s):
    Last checked: 12/16/2010
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: TD 201 .W28
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