RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2010, Vol. 19 >> Issue (z1): 207-.

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THRESHOLD ANALYSIS ON WATERRELATED INDICATORS FOR THE CONSTRUCTION OF CHONGMING ECOISLAND

GUO Ru1,2, YANG Haizhen1,2, ZHUANG Yilin1,2, ZENG Gang3   

  1. (1. School of Environmental Science and Engineering, Tongji University, Shanghai 200092|China|2. UNEPTongji Institute of Environment for Sustainable Development, Shanghai 200092|China|3. School of Resource and Environmental Science, East China Normal University, Shanghai 200062|China)〖
  • Online:2010-08-23

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Abstract:

Chongming is the third largest island in China,which is also the biggest river alluvial island in the world.Water issues have been a challenging problem recently due to fast social and economic development.How to determine the threshold of waterrelated indicators is a key point to achieve the sustainable development of Chongming Island.Based on the existing research on water environmental capacity of Chongming and water environmental planning,this paper proposed an approach to analyze the threshold of waterrelated indicators systematically by combining pressurestateresponse model and scenario analysis.Three key waterrelated indicators were selected as cases,including COD discharge quantity which represents environmental pressure,sewage treatment rate for city and town which represents environmental response,and the rate of major rivers that up to the standards which represents environmental state.This approach has already been applied in the construction of Chongming ecoisland to determine the control target of Chongming water environment in 2020.〖

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