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Sustainable development of human society and sustainable development of the region is concretized in the process of sustainable development of society . Water resources is the coordination of regional economic , social and ecological sustainable development is an important factor , with the economic development and population growth , water demand is increasing , restricting the growth of population and economy of scale in certain regions and time periods . Study for regional sustainable development of water resources bearing capacity basis, is conducive to the sustainable development of the national economy and the health of the people's lives , the rivers carrying capacity study is to deepen the study of water resources . As the development of Hunan Province , Changsha, Zhuzhou and polar nuclei , the Xiangjiang River as its source of drinking water and dirt holding the main body , to protect the water quality of the environment 's importance is self-evident . This paper adopts improved principal component analysis to calculate the the river bearing capacity of the 2008 Changzhutan District Composite Index , 2002-2008 Changsha, Zhuzhou , Xiangtan bearing capacity index were calculated using a multi - objective programming method of Changsha, Zhuzhou and Xiangtan river carrying capacity to predict and estimate future come to the carrying capacity of the river and the spatial configuration of the two categories , Zhuzhou and Xiangtan water resources in a stress-free zone , the second category is the water pressure zone of Changsha , just and Xiangjiang river water The spatial distribution of resources consistent . Different water solutions , come to the adjustment of the industrial layout , water conservation and pollution control and water-saving technology and awareness is the key to solve water shortage , to make Changzhutan region based on the sustainable development of rivers carrying capacity . According to the actual situation of the the empirical the results and Changzhutan region the classification according to the pressure zone and pressure zone , this paper, based on the Xiangjiang River water resources Changzhutan common and unique , sustainable development mechanism , the use of the Industrial Park of circular economy three sustainable development model of development mode , flood control and disaster mitigation mode , eco homes loop mode , and finally put forward the corresponding policy recommendations .
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