A hysteresis loop between the suspended-sediment discharge and the water discharge makes the prediction problem of sediment yield more difficult. An exponential relation (water - sediment curve) Qs = Qbo is used to compute the suspended-sediment discharge Qs generated by the estimated overland runoff component Qo. a and b are constant parameters to be established from observed data of suspended-sediment discharge and the computed overland flow. The established result is found to be in good agreement with observed data.
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Kazumasa Mizumura (1989) studied this question.
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