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Major Sedimentation Activities in the Soil Conservation Service

by Charles D. Clarke, Soil Conservation Service, Washington, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

The Agricultural Research Service (ARS) and Soil Conservation Service (SCS) are cooperating in the development of tools to improve prediction of the magnitude of erosion processes, the quality and amount of sediment leaving fields, and the effectiveness of various conservation practices. A major purpose of these tools is to prioritize sediment source areas for treatment and to select appropriate practices. They would also provide for improved assessment of erosion and sedimentation conditions Nationwide. This paper is restricted to discussion of three math models. They are the Water Erosion Prediction Project (WEPP), the Ephemeral Gully Erosion Model (EGEM), and the Hydrogeomorphic Sediment Yield Model (HUSLE).

Subject Headings: Sediment | Erosion | Mathematical models | Water conservation | Hydrologic models | Mathematics | Soil water

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