A Decision Study on River Carrying Capacity of Changsha-Zhu-Tan Region

This paper analyses the river carrying capacity of Chang-Zhu-Tan region, with horizontal and vertical method. We used the combination of Chromatography and principal component analysis method to establish the sub-index evaluation systems of the river water, the social development, and the ecological carrying capacity. Through the analysis, we provide the basis for sustainable development engineering and some advises for government in decision making.