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In order to analyze the impact of the South-to-North Water Diversion Project (SNWDP) on the water scarcity situation of water-receiving regions, Water Exploitation Index Plus (WEI+) was introduced to compute the temporal and spatial water scarcity characteristics of the seven water receiving provinces and municipalities from 2013 to 2022. The results showed that the smallest WEI+ was in Anhui Province with a mean value of 1% and the largest in Hebei Province with a mean value of 75%. And also, it was found that the WEI+ of Henan, Anhui and Jiangsu provinces did not fluctuate much during 2013 to 2022, while the WEI+ of the remaining four regions fluctuated more drastically. However, the WEI+ of the whole receiving areas were in a downward trend, which indicated that the water scarcity situation in the receiving areas had been alleviated since the SNWDP began operating in 2014.

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Water Scarcity Analysis of the South-To-North Water Diversion Project Receiving Areas Based on Water Exploitation Index Plus

  • 会议论文

  • 发表日期：

    2025年

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  • Jinyu Hu,
  • Jing Huang,
  • Hao Wang,
  • Baoxiang Zhang,
  • Xin Jiang,
  • Changshan Guo

摘要

In order to analyze the impact of the South-to-North Water Diversion Project (SNWDP) on the water scarcity situation of water-receiving regions, Water Exploitation Index Plus (WEI+) was introduced to compute the temporal and spatial water scarcity characteristics of the seven water receiving provinces and municipalities from 2013 to 2022. The results showed that the smallest WEI+ was in Anhui Province with a mean value of 1% and the largest in Hebei Province with a mean value of 75%. And also, it was found that the WEI+ of Henan, Anhui and Jiangsu provinces did not fluctuate much during 2013 to 2022, while the WEI+ of the remaining four regions fluctuated more drastically. However, the WEI+ of the whole receiving areas were in a downward trend, which indicated that the water scarcity situation in the receiving areas had been alleviated since the SNWDP began operating in 2014.