Aquatic vegetation is an important part of the river ecosystem,but the presence of them increas-es the flow resistance and reduces the flood capacity. Thus,to carry out the research on Manning's rough-ness coefficient in vegetated channel has important guiding significance for the comprehensive managementof river ecosystem. Based on a series of flume experiments with vegetated open-channel flow and dimension-al analysis theory,the plant upright degree,the relative submerged height and the relative planting ...
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