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本文利用高要市１９４９～１９９８年水文资料以及西江流域封开、德庆、高要三个代表站的降水资料，分析影响西江洪水的因素，找出相关规律，以便作出较准确预测，减少洪涝灾害。１ 西江洪涝的预报１．１ 西江水位的定义 根据西江下游高要市的水文资料以及历年受灾情况，对水位
Based on the hydrological data from 1949 to 1998 in Gaoyao City and the precipitation data of the three representative stations in Fengkai, Deqing and Gaoyao in the Xijiang River Basin, the paper analyzes the factors influencing the flood in the Xijiang River and finds out the relevant laws in order to make more accurate predictions and reduce floods disaster. 1 Forecast of Xijiang Floods 1.1 Definition of Xijiang River Water Level According to the hydrological data of Gaoyao City in the lower reaches of Xijiang River and the disaster situation over the years,