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Volume 14 Issue 4
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LI Ru-zhong, WANG Jia-quan, WANG Chao, QIAN Jia-zhong. Calculation of river water environmental capacity under unascertained information[J]. Advances in Water Science, 2003, 14(4): 459-463.
Citation: LI Ru-zhong, WANG Jia-quan, WANG Chao, QIAN Jia-zhong. Calculation of river water environmental capacity under unascertained information[J]. Advances in Water Science, 2003, 14(4): 459-463.
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Calculation of river water environmental capacity under unascertained information

  • 1.

    School of Natural Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China;

  • 2.

    School of Environmental Science and Engineering, Hohai University, Nanjing 210098, China

Funds: The project is supported by Natural Science Foundation of Anhui Province(No.03045306) and Science Research Foundation of Hefei University of Technology(No.030701F).
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  • Received Date: May 26, 2002
  • Revised Date: August 29, 2002
    Graphical Abstract
    • Abstract
  • Based on the multi-uncertainty characteristics of river hydrology and water quality information,the blind number theory in unascertained mathematics is used to calculate river water environmental capacity.Through the calculation,not only the expected value of allowable load of a predominant pollutant for a river but also its corresponding confidence level can be obtained.The case study shows that the results received from the unascertained mathematics theory accord closer with practical situation than the traditional method of water environmental capacity calculation.
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    • References (10)
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