Continuous-Time Water and Sediment-Routing Model for Large Basins
- 1 February 1995
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of Hydraulic Engineering
- Vol. 121 (2) , 171-183
- https://doi.org/10.1061/(asce)0733-9429(1995)121:2(171)
Abstract
Simulation models are needed to evaluate the impact of changes in land use and agricultural management on streamflow and sediment yields from watersheds and river basins. Current agricultural-management models are limited by spatial scale, and river-basin models do not simulate land use and management adequately to evaluate management strategies. A model called ROTO (routing outputs to the outlet) was developed to estimate water and sediment yield on large basins (several thousand square miles). ROTO is a continuous model operating on a daily time step that accepts inputs from continuous-time soil-water balance models. Components for water and sediment movement in channels and reservoirs are developed within a comprehensive basin-scale agricultural management model. The model is validated on three different spatial scales: the small watershed, watershed, and river basin. At the small watershed scale, ARS station G (17.7 kg 2 ) at Riesel, Texas, is used for validation of water and sediment yields. White Ro...Keywords
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