钱塘江是浙江第一大河,河长668公里,流域面积55000多平方公里,水资源总量444亿立方米。河口平原地区是江南水乡、丝绸之府,养育着全省35%的居民,创造全省51%的GDP,是“长三角”南翼、环杭州湾区域的经济文化中心。钱塘江是浙江人民的母亲河,也是一条水患不断的河流,自古以来洪涝灾 Qiantang River is the largest river in Zhejiang, the river 668 kilometers long, the basin area of ​​55,000 square kilometers, the total amount of 44.4 billion cubic meters of water resources. The plain in the estuary is a waterfront and silk house in the south of Yangtze River. It is home to 35% of the province’s residents and 51% of the GDP in the province. It is an economic and cultural center in the “Yangtze River Delta” and the south of Hangzhou Bay. Qiantang River is the mother river of Zhejiang people, but also a constant flooding of rivers, flooding since ancient times