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一、前言珠江流域集雨面积441310平方公里,年径流总量3260亿立方米,年泥沙总量8872万吨,分别由八大口门出海。各口门的泄洪和输沙能力,目前
I. Introduction Rainwater catchment area of the Pearl River Basin is 441,310 square kilometers with a total annual runoff of 326 billion cubic meters and a total annual sediment volume of 88.72 million tons, going to the sea respectively by the Badaomenkou. The various departments of flood discharge and sediment transport capacity, at present