YANG Yafeng, GONG Shuxin, WANG Hongrui, ZHAO Ziyang, YANG Bo. New model for water resources spatial equilibrium evaluation and its application[J]. Advances in Water Science, 2021, 32(1): 33-44. DOI: 10.14042/j.cnki.32.1309.2021.01.004
Citation: YANG Yafeng, GONG Shuxin, WANG Hongrui, ZHAO Ziyang, YANG Bo. New model for water resources spatial equilibrium evaluation and its application[J]. Advances in Water Science, 2021, 32(1): 33-44. DOI: 10.14042/j.cnki.32.1309.2021.01.004

New model for water resources spatial equilibrium evaluation and its application

  • To mitigate the insufficient consideration of fuzziness and dynamic conditions in water resources spatial equilibrium evaluation, a new model for water resources spatial equilibrium evaluation was developed based on the concept of variable set and partial connection number. The relative membership degree and level characteristic value of the evaluation object were calculated by the variable set evaluation method; The information evolution and its influence on the levels were described by the partial connection number method in order to obtain the rating strategy based on the maximum support principle. The two methods' results were integrated to evaluate the spatial equilibrium state of water resources. The results of application to 31 Chinese provinces in 2017 show that:① the spatial equilibrium of water resources in the Southeast of China is in good conditions, while the Northwest is in a relatively poor condition. The South has better conditions than the North and the East has better conditions than the West; ② The water resources spatial equilibrium situation of 17 provincial administrative regions, including Beijing, present a worsening trend, which calls for further strengthening of management. The other areas present a benign developing trend; ③ In some provinces, such as Sichuan and Shaanxi, the equilibrium degree of each index is quite different, which suggests a need to be adjusted and optimized.
  • loading

Catalog

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return