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在上游无径流、水位资料的情况下,利用降水量资料预报本位断面洪峰水位,作者以颍河黄桥站为例对“2000.7.6”、“2000.7.16”两次大洪水进行分析探讨。1 流域概况颍河全长262km,流域面积6807km~2,黄桥～化行～清异河～清流河控制面积4897km~2,其间有清异河、清流河汇入,于周口与沙河交汇。颍河主干河上有告城、白沙、化行3个水文站,支流清异河、清流河无水文站。2 暴雨特点
In the case of upstream without runoff and water level data, the author uses the precipitation data to forecast the flood peak level of this section. The author takes Ying River Huangqiao Station as an example to study the floods of “2000.7.6”, “2000.7.16” For analysis and discussion. 1 Basin Profile Ying River is 262km long and covers an area of 6807km 2. The control area of Huangqiao ~ Huaqing ~ Qingyi ~ Qingliu rivers ranges from 4897km ~ 2, with Qinghai and Qingliu Rivers flowing in from Zhouqiao to Shahe. The main river Ying River, Baisha, Huaxing 3 hydrological stations, tributaries Qingyi River, Qingliu River hydrological station. 2 heavy rain features