卫河流域“63·8”“21·7”暴雨洪水对比分析

Comparative Analysis of “21·7” Flood and “63·8” Flood in Weihe River Basin

“63·8”“21·7”均为河南省卫河流域发生的历史罕见特大暴雨洪水。通过2次暴雨洪水对比,包括暴雨成因、降雨过程、河道行洪、洪水调度等情况,分析了卫河流域暴雨洪水特性、演变规律和变化特点,针对流域防洪存在的短板弱项提出了意见建议,较好地总结了经验教训,为提高卫河流域防洪能力提供参考。

“63·8” and “21·7” are rare heavy rainstorm floods in the history of Weihe River Basin in Henan Province.Through the comparison of the two rainstorm floods,including the causes,the rainfall processes,the flood discharge and the flood regulation,this paper analyzes the characteristics,evolution law and change characteristics of the rainstorm floods in Weihe River Basin. In view of the shortcomings of flood control in Weihe River Basin,this paper puts forward some suggestions,summarizes the experience and lessons,and provides reference for improving the flood control capacity in Weihe River Basin.