NDLI: Water quality evaluation by the fuzzy comprehensive evaluation based on EW method

Content Provider	IEEE Xplore Digital Library
Author	Zhenxiang Xing Qiang Fu Dong Liu
Copyright Year	2011
Description	Author affiliation: Dept. of Water Conservancy and Architecture, Northeast Agricultural University, Harbin, China (Zhenxiang Xing; Qiang Fu; Dong Liu)
Abstract	Water quality assessment is one of the important means of environmental management. Using water quality evaluation, the water quality and its difference in different areas can be clearly known and the changing trends of water quality in different periods would be also got. Due to natural fuzziness in the water quality and the difference of influence on water quality of each evaluation index, the water quality evaluation may be regarded as a fuzzy problem. A fuzzy comprehensive evaluation model based on entropy weight method (FCE-EW) was built to assess the actual state of underground water quality in this paper. In the FCE-EW, an influence weight of each water quality indictor can be calculated through mining information of the observed underground water samples with the entropy weight method, and the ambiguity of water quality can considered in the fuzzy comprehensive evaluation. The calculation results of case study showed, compared to that of RAGABP and PPC, the evaluation results of underground water by FCE-EW were more objective. So the FCE-EW can be used as a good method to assess water quality in practice.
Starting Page	476
Ending Page	479
File Size	261350
Page Count	4
File Format	PDF
ISBN	9781612841809
e-ISBN	9781612841816
DOI	10.1109/FSKD.2011.6019494
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	index weight water quality evaluation the entropy weight method the fuzzy comprehensive evaluation Water conservation Educational institutions Entropy Water pollution Quality assessment Indexes Water resources
Content Type	Text
Resource Type	Article

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