Water Security Assessment of Chengdu City Based on Analytic Hierarchy Process
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Abstract:
In order to investigate the present situation of sustainable development of water resources in Chengdu, this paper adopted the PSR model to establish the index system of water security assessment of Chengdu, determined the weights for each index using the AHP method, obtained the comprehensive index of water security assessment of Chengdu, and predicted the future water security using the correlation analysis method. The results showed that the water security level of Chengdu is grade IV from 2005 to 2013, indicating a security status. Meanwhile, in order to ensure the coordinated development among society, economy, and environment, several suggestions were proposed in this paper, including the improvement of consciousness of saving water and establishment of a water-saving city through increased technical investment, the increasing of utilization rate of water resources, the increasing of environmental investment to enhance the rate of municipal and industrial waste water treatment, and the improvement of water resource management system and early warning mechanism to strengthen the ability of coping with the accidental water environmental and resource problems.
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