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太湖流域36500平方公里,包括江苏省苏南地区、浙江省杭嘉湖地区及上海市大部分。流域三面滨江临海,西部自北向南分别以茅山山脉、界岭和天目山与秦淮河、水阳江、钱塘江流域为界。地貌以平原为主,占总面积的2/3,水面占1/6,其余为丘陵和山地。流域地形周边高中间底,成碟形,高差约2.5米,河道比降平缓,泄水能力弱,每遇暴雨,高水位持续时间
Taihu Lake Basin 36,500 square kilometers, including the southern Jiangsu Province, Zhejiang Province, Hangzhou-Jiaxing-Huzhou area and most of Shanghai. Watershed on the three sides of the Binhai Linhai, west from north to south, respectively, Maoshan range, Lingling and Tianmu Mountain and the Qinhuai, Shuiyang, Qiantang River Basin for the sector. Landform to plain, accounting for 2/3 of the total area, surface water accounted for 1/6, the rest for the hills and mountains. Watershed terrain around the middle of the middle, into a dish, the difference of about 2.5 meters, the river than the gentle, weak drainage capacity, each case of heavy rain, high water level duration