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Web of Proceedings - Francis Academic Press

Measuring Industrial Water Efficiency under Environmental Constraints in the Yangtze River Delta, China: A Nonparametric Frontier Approach

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DOI: 10.25236/dpaic.2018.057

Author(s)

Yongping Sun, Jigan Wang, Ying Wei, Yingqiu Li, Zhencheng Xing

Corresponding Author

Zhencheng Xing

Abstract

The Yangtze River Delta (YRD), one of the most developed regions in China, is experiencing rapid industrialization and urbanization accompanied by huge water consumption. Also, Chinese government has recently redefined the scope of YRD to include 8 cities in Anhui Province. In this case, it is crucial to evaluate new-YRD’s water sustainability by studying industrial water efficiency (IWE) under environmental constraints at city level. To this end, IWE of 26 cities in YRD and its space-time distribution during 2006-2015 are evaluated based on Shephard water distance function and GIS visualization method, respectively. The findings reveal that IWE in YRD shows an ascending trend during the study period. Moreover, the saptial distribution of the IWE presents the characteristics of low in north and high in south, indicating the existence of a spatial cluster. Finally, a couple of suggestions are concluded.

Keywords

Nonparametric, Yangtze River Delta, Environmental Constraints