Abstract
Based on site investigation and annual survey data, the theoretical analysis method is applied to analyze the reach from Jiangxinzhou to Wujiang located at the lower reach of the Yangtze River. The characteristic of water flow and sediment and the macroscopic law of riverbed evolution are presented in this paper. In addition, the major factors influencing on the sandbar and beach evolution are also summarized. The results show that the riverbed evolution of the reach from Jiangxinzhou to Wujiang was caused by the linkage effects of main stream wandering near the Jiangxinzhou reach. The riverbed evolution of different waterways are interrelated and influenced with each other. Moreover, the main stream wandering at the inlet reach is one of the main reasons causing the riverbed evolution within the reach from Jiangxinzhou to Wujiang.
Published Version
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