前言由于北江流域年内洪水具有明显季节性变化规律,因而分期设计洪水的计算,对水电工程的施工导流、防洪、调蓄水量等,均有重要的意义。飞来峡枢纽工程的施工洪水计算,分别按流域暴雨的天气成因,及河道径流等进行分析研究。现将有关内容,分述如下。 Preface As the flood in the Beijiang River Basin has obvious seasonal variation during the year, the calculation of staged design floods is of great significance to the construction diversion, flood control and water storage of hydropower projects. The calculation of construction flood of Feilaixia Pivotal Project is carried out according to the weather causes of heavy rainfall in the basin and the runoff of the river. The relevant content is as follows.