Green Water Resource Utilization Efficiency in Urban Agglomerations: Measurement, Spatio-temporal Variations and Influencing Factors HU Mianhao, CHEN La, YUAN Juhong城市群绿色水资源利用效率：测度、时空变异及影响因素 胡绵好，陈 拉，袁菊红DOI: 10.5814/j.issn.1674-764x.2023.06.007Abstract:Green development is the coordinated development of the economy, society and environment and has become a mainstream development model. This paper evaluates the green water resource utilization efficiency (GWRUE) of 38 regions in the four-city area in central China during 2010–2019 using a super-slacks-based measure (super-SBM) DEA model considering unexpected output. Then, the spatiotemporal variations in GWRUE are analyzed by the standard deviational ellipse method, and the geographical detector method is employed to reveal the dominant impacts and interaction impacts on GWRUE spatiotemporal variations. The results show that: (1) From 2010 to 2019, the GWR
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