Abstract
In order to achieve the sustainable utilization of water resources and the sustainable development of the economy, an evaluation index system for water-use efficiency and economic development systems was constructed. The entropy weight and the comprehensive evaluation methods were adopted to determine the index weights and conduct a comprehensive evaluation for the two systems. A coupling coordination model was used to calculate the coupling degree, coordination degree, and coupling coordination degree of the two systems. The annual coupling stage and coupling coordination intensity of the two systems were analyzed and determined. The results showed that the comprehensive evaluation values of both the water-use efficiency system and the economic development system in Jinan increased greatly from 2008 to 2017, and showed a changing trend of ups and downs. The two systems were in the antagonistic stage, and were gradually approaching the running-in stage, indicating that they were in the state of common development. The coupling coordination degree of the two systems gradually increased in waves, progressing from moderately to highly coordinated coupling. In the future, if the water control path appropriate to Jinan can be explored actively, the water-saving kinetic energy of economic development can be increased constantly, and the linkage effect between economic development and water resource utilization can be given full play. The two systems will then be in sync, enjoying a benign interaction and a healthy harmonious development.
Highlights
As basic natural resources and strategic economic resources, water resources are of great significance to sustainable economic development under the strategy of ecological civilization construction
It is of great significance to study the coupling coordination relationship between water-use efficiency and economic development to achieve the sustainable utilization of water resources and promote sustainable economic development
This paper reveals the factors influencing the coordinated development of water resources and economy, and discusses the policies and measures necessary to promote the evolution of water-use efficiency and economic development into a coordinated, orderly, healthy and sustainable development
Summary
As basic natural resources and strategic economic resources, water resources are of great significance to sustainable economic development under the strategy of ecological civilization construction. The worldwide increasing demand of water resources is the main problem for the sustainable utilization of water resources [1]. With the rapid development of the economy, the amount of water used is increasing and the problem of water shortage caused by economic development has become the focus of academic circles [4]. The improvement of water-use efficiency is conducive to alleviating water shortage, reducing water environmental pollution, and providing high-quality and sufficient water resources for rapid and high-quality economic development. High-quality and sufficient water resources can promote benign economic development, and provide power and conditions for the high-quality improvement of the social and economic systems. It is of great significance to study the coupling coordination relationship between water-use efficiency and economic development to achieve the sustainable utilization of water resources and promote sustainable economic development
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