The sediment discharge component of a watershed simulation model called RUNOFF is presented. The model component uses a runoff simulation component and simulates space and time distributed soil erosion, sediment transport and sediment deposition and computes sediment discharges in a small watershed resulting from a single rainfall event. The model component has two parameters, raindrop detachment and flow detachment coefficients, which are calibrated based on observed sediment discharges. Model validation is demonstrated on the USDA experimental watershed W-5 in Mississippi and sensitivites of the model parameters are analyzed.
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Deva K. Borah (1989) studied this question.