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Water resources research v.52 no.9, 2016년, pp.6916 - 6927   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Burden shifting of water quantity and quality stress from megacity Shanghai

Zhao, Xu (School of Environmental Science and Engineering, South University of Science and Technology of China, Shenzhen, China ); Liu, Junguo (Swiss Federal Institute of Aquatic Science and Technology, Duebendorf, Switzerland ); Yang, Hong (Department of Economic Analysis, Faculty of Economics and Business, University of Zaragoza, Zaragoza, Spain ); Duarte, Rosa (water@leeds, School of Civil Engineering, University of Leeds, Leeds, UK ); Tillotson, Martin R (Department of Geographical Sciences, University of Maryland, College Park, Maryland, USA ); Hubacek, Klaus ( );
  • 초록  

    Abstract Much attention has been paid to burden shifting of CO 2 emissions from developed regions to developing regions through trade. However, less discussed is that trade also acts as a mechanism enabling wealthy consumers to shift water quantity and quality stress to their trading partners. In this study, we investigate how Shanghai, the largest megacity in China, draws water resources from all over China and outsources its pollution through virtual quantity and quality water flows associated with trade. The results show that Shanghai's consumption of goods and services in 2007 led to 11.6 billion m 3 of freshwater consumption, 796 thousand tons of COD, and 16.2 thousand tons of NH 3 ‐N in discharged wastewater. Of this, 79% of freshwater consumption, 82.9% of COD and 82.5% of NH 3 ‐N occurred in other Chinese Provinces which provide goods and services to Shanghai. Thirteen Provinces with severe and extreme water quantity stress accounted for 60% of net virtual water import to Shanghai, while 19 Provinces experiencing water quality stress endured 79% of net COD outsourcing and 75.5% of net NH 3 ‐N outsourcing from Shanghai. In accordance with the three “redlines” recently put forward by the Chinese central government to control water pollution and cap total water use in all provinces, we suggest that Shanghai should share its responsibility for reducing water quantity and quality stress in its trading partners through taking measures at provincial, industrial, and consumer levels. In the meantime, Shanghai needs to enhance demand side management by promoting low water intensity consumption.


    Key Points Analysis of virtual water flows for both quantity and quality Quantification of burden shifting of water stress from Shanghai Discussion of consumer responsibility for megacities


  • 주제어

    water quantity stress .   water quality stress .   megacity .   input‐output analysis .   outsourcing.  

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