Changsha
Hydrology

Most of the rivers in Changsha belong to the Xiang River system. In addition to the Xiangjiang River, 15 tributaries flow into the Xiang, mainly including Liuyang River, Laodao River, Minjiang River, and Qinshui River. 302 tributaries are more than five kilometers long, including 289 in the Xiang River Basin. According to the tributary grading there are 24 primary tributaries, 128 secondary tributaries, 118 third tributaries, and 32 tributaries; and 13 are Zijiang water systems; a fairly complete water system is formed, and the river network is densely distributed. Hydrological characteristics of Changsha: the water system is complete, the river network dense; the water volume greater, the water energy resources abundant; the winter not frozen, and the sediment content small.
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