Slope-gully system of changeable slope gradients and artificial rainfall experiment was used to study runoff and sediment variation and the coupling mechanism of slope-gully system.The results showed that cumulative runoff and sediment yields of slope-gully system had an obvious positive correlation with rainfall time,which increased with the rainfall time.Upslope runoff rate had a positive relation with the net sediment of gully caused by upslope runoff.Sediment concentration rate of upslope had a negative...
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