United States Department of Transportation
i
Quantifying Support Practice Sub-Factor Values for Erosion-Control and Sediment Retention Devices
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2023-02-28
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[PDF-4.12 MB]
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Edition:Final Report December 2020 - February 2023
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Abstract:Roadway construction sites can be substantial contributors to sediment pollution; however, erosion can be mitigated by utilizing erosion prevention and sediment control devices. An estimation of the erosion can be determined empirically through the revised universal soil loss equation (RUSLE) or deterministically with the water erosion prevention project (WEPP) to design sediment control measures. Due to RUSLE’s empirical structure, limitations occur in determining accurate erosion yields per use of empirical factors. WEPP can simulate erosion yields based on physical site conditions. In this study, WEPP was used to estimate the RUSLE erosion control practices factor (P-factor).
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