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Analysis on Flood Control Situation of the Lower Weihe River and Its Countermeasures

ZHANG Cui-ping, JIANG Nai-qian, ZHANG Suo-cheng,et al. (Yellow River Institute of Hydraulic Research, Zhengzhou, Henan, 450000)  
A great quantity of sediment deposited on the lower river course and riverbed gradually raised and suspended is the essential reason of severe threatening of floods in the lower Weihe River. Poor quality of dykes, uncompleted river training works, changeable river pattern and frequent flooding happened in the Nanshan tributary are the key existing problems for flood control in the lower Weihe River. Based on analysis of the above issues, the paper puts forward flood control countermeasures of heightening and reinforcing dykes, strengthening river training works, building Dongzhuang Reservoir and controlling Tongguan elevation.
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