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An Input--Output Analysis Of Trends In Virtual Water Trade And The Impact On Water Resources And Uses In China

Listed author(s):
  • Zhuoying Zhang
  • Minjun Shi
  • Hong Yang
  • Ashok Chapagain
Registered author(s):

    This study investigates the impacts of China's international trade on its water resources and uses between 2002 and 2007. The results show a significant increase in water use efficiency in most sectors, especially the manufacturing sectors. However, the total net virtual water exported increased by about 75%, from 39.0 × 10-super-9 m-super-3 to 68.2 × 10-super-9 m-super-3. The ratio of net virtual water exports to the total water resources of the country increased from 1.8% to 3.1%. In water-scarce North China, the ratio increased from 3.6% to 5.1%, which indicates a growing water resources pressure. The share of the net virtual water exports in the total water use in China increased from 7% to 12%. The results suggest that China's economic gains from intensifying international trade came with high costs regarding its water resources.

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    Article provided by Taylor & Francis Journals in its journal Economic Systems Research.

    Volume (Year): 23 (2011)
    Issue (Month): 4 (October)
    Pages: 431-446

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    Handle: RePEc:taf:ecsysr:v:23:y:2011:i:4:p:431-446
    DOI: 10.1080/09535314.2011.636733
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