A Web-Based Model to Estimate the Impact of Best Management Practices
AbstractThe Spreadsheet Tool for the Estimation of Pollutant Load (STEPL) can be used for Total Maximum Daily Load (TMDL) processes, since the model is capable of simulating the impacts of various best management practices (BMPs) and low impact development (LID) practices. The model computes average annual direct runoff using the Soil Conservation Service Curve Number (SCS-CN) method with average rainfall per event, which is not a typical use of the SCS-CN method. Five SCS-CN-based approaches to compute average annual direct runoff were investigated to explore estimated differences in average annual direct runoff computations using daily precipitation data collected from the National Climate Data Center and generated by the CLIGEN model for twelve stations in Indiana. Compared to the average annual direct runoff computed for the typical use of the SCS-CN method, the approaches to estimate average annual direct runoff within EPA STEPL showed large differences. A web-based model (STEPL WEB) was developed with a corrected approach to estimate average annual direct runoff. Moreover, the model was integrated with the Web-based Load Duration Curve Tool, which identifies the least cost BMPs for each land use and optimizes BMP selection to identify the most cost-effective BMP implementations. The integrated tools provide an easy to use approach for performing TMDL analysis and identifying cost-effective approaches for controlling nonpoint source pollution. View Full-Text
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Park, Y.S.; Engel, B.A.; Harbor, J. A Web-Based Model to Estimate the Impact of Best Management Practices. Water 2014, 6, 455-471.
Park YS, Engel BA, Harbor J. A Web-Based Model to Estimate the Impact of Best Management Practices. Water. 2014; 6(3):455-471.Chicago/Turabian Style
Park, Youn S.; Engel, Bernie A.; Harbor, Jon. 2014. "A Web-Based Model to Estimate the Impact of Best Management Practices." Water 6, no. 3: 455-471.