Analysis on the phenomena of tearing up the river bed in mainstream of Yumenkou-Tongguan reach and the Weihe River branch of the Yellow River;

The theoretical study on phenomena ripping up the bottom" is presented in this paper, including the incipient velocity, ascending movement, the exposed condition from the water surface, descending and longitudinal movement of deposit pieces.

Study on non-equilibrium sediment transport in the sandy river erosion;