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Apr 26, 2012
Assessing Phosphorus BMP Effectiveness in the Cannonsville Watershed Using SWAT2000
Authors: Dillon M. Cowan [email protected] and Christine A. Shoemaker [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2007: Restoring Our Natural Habitat
Abstract
Assessing best management practice (BMP) effectiveness in large basins is complicated by hydrologic variability, ecosystem complexity, and issues of scaling. A traditional approach to assessing BMP effectiveness in large watersheds is to forecast several BMP scenarios and compare their performance relative to a baseline scenario. While this approach may provide insight into the effectiveness of future BMP scenarios, it does not quantify the impact of BMPs that have already been implemented. The authors propose that a continuous water quality model may be used as a pseudo-control watershed in order to determine BMP effectiveness in large catchments. Preliminary results using this approach suggest that agricultural BMPs have reduced dissolved phosphorus loads to the Cannonsville Reservoir in Upstate New York. Future work will involve the implementation of sophisticated analyses to confirm the statistical significance of reductions in dissolved phosphorus loads to the reservoir.
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© 2007 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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S.M.ASCE
Graduate student, School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853. E-mail: [email protected]
Hon.M.ASCE
Ripley Professor of Engineering, School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853. E-mail: [email protected]
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