Application of Reservoir Sedimentation Data to Problems of Environmental Managementby Peter G. Waldo, USDA Soil Conservation Service, United States,
Abstract: Application of sediment delivery ratios and sediment routing procedures to sediment measurements provide an alternative approach to the prediction of localized average annual erosion rates. The resulting erosion rates may be associated with specific areas within the watershed, specific geomorphic processes, or both. The sediment sources in the watershed can be identified, quantified, and ranked without employing erosion and sediment transport predictive models. The methodology permits the delineation of sediment sources causing specific environmental problems. It quantifies and ranks the contributions of either specific watershed zones or total watershed areas to particular problems caused by sediment yield. Environmental inventories and planning activities can then focus on treating the critical areas.
Subject Headings: Erosion | Watersheds | Environmental issues | Reservoirs | Sediment transport | Information management | Hydrologic models
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