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选用长江中游干流汉口站大洪水相应的上、中游暴雨洪水资料 ,从水文气象途径 ,分析研究了汉口站大洪水过程中 ,长江上游洪水与中游洪水遭遇的一些统计特征。根据这些特征 ,将上中游遭遇的洪水分成 3种类型。分析了这 3种遭遇洪水的成因 ,在此基础上初步建立了长江上中游遭遇洪水的气象判别模式 ,为三峡水库防洪调度方案的拟定 ,提供背景材料
Based on the flood and flood data of upper and middle reaches of the flood in Hankou Station in the middle reaches of the Yangtze River, some statistical characteristics of the floods in the upper reaches of the Yangtze River and floods in the middle reaches of the Yangtze River are analyzed and studied from the meteorological meteorological route. According to these characteristics, the floods encountered in the middle and upper reaches are divided into three types. The causes of the three floods were analyzed, on the basis of which, the meteorological discriminant model of the flood in the upper and middle reaches of the Yangtze River was preliminarily established, and the background material was provided for the formulation of the flood control dispatching plan of the Three Gorges Reservoir