Validation of SWRRB—A Simulator for Water Resources in Rural Basins

by Jeffrey G. Arnold, USDA, Agricultural Research Service, Temple, TX, USA,
Jimmy R. Williams, USDA, Agricultural Research Service, Temple, TX, USA,



Document Type: Proceeding Paper

Part of: Watershed Management in the Eighties

Abstract: The three major components of SWRRB are weather, hydrology, and sedimentation. Processes considered include surface runoff, return flow, percolation, evapotranspiration, transmission losses, pond and reservoir storage, sedimentation, and crop growth. A weather generator allows precipitation and temperature to be simulated when measured data is unavailable. The objective in SWRRB model development was to predict the effect of management decisions on water and sediment yields with reasonable accuracy for ungaged rural basins throughout the U. S. Tests on 12 widely varying watersheds throughout the U. S. have been completed to validate the model.

Subject Headings: Sediment | Model accuracy | Model tests | Hydrologic models | Rural areas | Basins | Watersheds | Validation

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