The spatio-temporal pattern analysis of water resources utilization efficiency in the Yangtze River Economic Belt based on DEA-ESTDA

doi:10.14088/j.cnki.issn0439-8114.2022.18.007

Abstract

Abstract: The DEA -Malmquist model that considers undesired output was used to calculate the changes in water resource utilization efficiency（WRUE） of 11 provinces（cities） in the Yangtze River Economic Belt from 2001 to 2018, while ESTDA was used to analyze the temporal and spatial changes of WRUE. The results showed that the WRUE of the Yangtze River Economic Belt was increasing during the observation period. The spatial agglomeration of WRUE in the Yangtze River Economic Belt was significant with volatility to some extent. The WRUE was more likely to form adjacent linkage areas in space. To be detailed, HL pattern agglomeration and HH pattern agglomeration tended to appear in upstream and the coastal areas downstream. The local spatial structure of WRUE in the upstream region was more dynamic. The provinces with positive synergistic growth accounted for 54.54% of the total, mainly located in the middle and downstream regions. From the perspective of the period, the spatio-temporal cohesion of WRUE was slightly stronger than the spatio-temporal flux, but it was still plastic. Therefore, it is necessary to strengthen regional cooperation, optimize the spatial distribution of input resources, and improve the utilization efficiency of water resources.

Key words: ESTDA, Malmquist index, water resource utilization efficiency, Yangtze River Economic Belt

CLC Number:

TV213.9

ZHANG Cheng-qi, GAO Qian-xi, DAI Yu-kun, CHEN Yu-yang. The spatio-temporal pattern analysis of water resources utilization efficiency in the Yangtze River Economic Belt based on DEA-ESTDA[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(18): 40-47.

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