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Analysis of Water Sustainable Utilization in Changsha City Based on Water Footprint Theory
Abstract:
Water footprint theory and method was used to estimate the water footprint of Changsha City in 2009-2012. Based on the estimate of the regional water footprint structure, efficiency indicators of regional water footprint, indicators of water resources sustainable utilization, the water resources utilization status and sustainability was analyzed in Changsha. The results showed that the water footprint and water self-sufficiency rate of Changsha City remained relatively stable in 2009-2012. There not the presence of external dependence of water resources. However, due to the acute annual changes in water resources, Changsha City is still in the imbalance risk of water supply and demand.
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532-535
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November 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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