Measurement and spatial pattern of urban water resources utilization efficiency in China

doi:10.14088/j.cnki.issn0439-8114.2023.07.005

Abstract

Abstract: The DEA model of the hybrid network structure of the water resources system based on the direction distance function was constructed to measure the overall efficiency, water use stage and sewage treatment stage efficiency of urban water resource utilization in China, and the spatial pattern was studied by Moran's I index. The results showed that, from 2008 to 2017, the overall efficiency of urban water resources utilization was low and the level of water resources utilization efficiency varied significantly between regions. The efficiency of the water use stage was generally higher than that of the sewage treatment stage, both of them showed an upward trend. There was a significant spatial correlation between the overall efficiency of urban water resource utilization, and the phenomenon of spatial agglomeration presented a trend of first declining and then increasing.

Key words: urban water use, water resource utilization efficiency, network structure, data envelopment analysis, spatial pattern

CLC Number:

F323.213

CHEN Chen, LIU Peng-hui, WANG Zi-xiao. Measurement and spatial pattern of urban water resources utilization efficiency in China[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(7): 24-31.

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