Research and application of joint optimal operation of reservoir group flood control considering flood forecast information

Flood forecasting and reservoir flood control operation are important technical to realize the "four pre" of basin flood control. Taking Shanxi reservoir, Baizhangji reservoir and Zhaoshandu drinking water project in Feiyun River Basin in Zhejiang Province as examples, this paper analyzes the spatial relationship and hydraulic connection of various water conservancy projects in the basin, and establishes a distributed Xin'anjiang model for flood forecasting at important nodes in the basin, which is used as the input of the flood control joint optimization operation model of reservoir groups and solves the model. The results show that during the period of defending against the typhoon Megi, the flood control joint optimization operation of reservoir group considering flood forecast information can further play the potential of reservoir flood control, and the peak shaving effect of Zhaoshandu section in the downstream is obvious.