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Optimizing the Water Ecological Environment of Mining Cities in the Yangtze River Economic Belt Using the Cloud Model, CV-TOPSIS, and Coupling Coordination Degree

Author

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  • Ran Wang

    (School of Economic & Management, China University of Geosciences, Wuhan 430074, China
    Research Center of Resource and Environmental Economics, China University of Geosciences, Wuhan 430074, China)

  • Hao Lin

    (Research Center of Resource and Environmental Economics, China University of Geosciences, Wuhan 430074, China)

  • Jinhua Cheng

    (School of Economic & Management, China University of Geosciences, Wuhan 430074, China
    Research Center of Resource and Environmental Economics, China University of Geosciences, Wuhan 430074, China)

  • Zixi Xu

    (Research Center of Resource and Environmental Economics, China University of Geosciences, Wuhan 430074, China)

  • Haoying Feng

    (Research Center of Resource and Environmental Economics, China University of Geosciences, Wuhan 430074, China)

  • Yameng Tang

    (Research Center of Resource and Environmental Economics, China University of Geosciences, Wuhan 430074, China)

Abstract

The Yangtze River Economic Belt (YREB) is the core region for the security of mineral resources in China and is a strategic water source containing rich water resources. Coordinating the security of mineral resources and water resources in the YREB is a key problem. Establishing and optimizing the water ecological environment (WEE) is crucial for addressing this problem in mining cities, which are the main bases for the supply of mineral resources. This study applies the cloud model, CV-TOPSIS, the standard deviation ellipse, and the coupling coordination degree model to evaluate the WEE and the coordinated development state, and to optimize the WEE. The results show that: (1) the WEE of mining cities in the YREB is generally good; (2) the protection of WEE in most mining cities has achieved significant results recently, and the results in the downstream are more remarkable than those in the mid-upstream; (3) the coordinated development of WEE in regenerative mining cities is better than that of mature and declining cities; and (4) most mining cities still belong to the lagging type of water environment (heavy metal pollution has been better treated and the threat of water ecological security caused by heavy metal pollution is low). This study suggests improvements to the sewer system, promotes WEE management in the mid-upstream, and propels the transformational development of mature and declining mining cities in advance.

Suggested Citation

  • Ran Wang & Hao Lin & Jinhua Cheng & Zixi Xu & Haoying Feng & Yameng Tang, 2022. "Optimizing the Water Ecological Environment of Mining Cities in the Yangtze River Economic Belt Using the Cloud Model, CV-TOPSIS, and Coupling Coordination Degree," IJERPH, MDPI, vol. 19(4), pages 1-21, February.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:4:p:2469-:d:754395
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    References listed on IDEAS

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