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Choice of determining weights method in fuzzy synthetic evaluating model for water quality

  • DAI Xue-Jing ,
  • TIAN Wei
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  • 1. Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, China;
    2. Graduate University, Chinese Academy of Sciences, Beijing 100049, China

Received date: 2010-05-13

  Revised date: 2010-07-06

  Online published: 2011-03-15

Abstract

By taking monitoring data of Chagan Lake as an example, fuzzy synthetic assessment was conducted using the principal component weighting, exceeding standard weighting, and analytic hierarchy process. Results show that the principal component weighting can truly reflect the values of various factors; exceeding standard weighting gaves heavier weights to the polluting factors; and the weight values are influenced by subjectivity in analytic hierarchy process.

Cite this article

DAI Xue-Jing , TIAN Wei . Choice of determining weights method in fuzzy synthetic evaluating model for water quality[J]. Journal of University of Chinese Academy of Sciences, 2011 , 28(2) : 169 -176 . DOI: 10.7523/j.issn.2095-6134.2011.2.006

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