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Multi-objective comprehensive evaluation approach to a river health system based on fuzzy entropy†

Published online by Cambridge University Press:  04 September 2014

ZHIBIN QIN,
HUIMEI LI and
ZHAOHUI LIU
ZHIBIN QIN
Affiliation:
School of Traffic and Transportation Engineering, Changsha University of Science and Technology, Changsha, China Email: zhibinq@126.com; 394929031@qq.com; zh2309471@yahoo.com.cn
HUIMEI LI
Affiliation:
School of Traffic and Transportation Engineering, Changsha University of Science and Technology, Changsha, China Email: zhibinq@126.com; 394929031@qq.com; zh2309471@yahoo.com.cn
ZHAOHUI LIU
Affiliation:
School of Traffic and Transportation Engineering, Changsha University of Science and Technology, Changsha, China Email: zhibinq@126.com; 394929031@qq.com; zh2309471@yahoo.com.cn
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Abstract

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The process of river health evaluation is subject to uncertainty and complexity. To address this, we establish a river health evaluation system based on entropy and multi-objective space theory. We apply an analytic hierarchy process (AHP) to calculate the weight of the first grade indexes, and then apply the entropy to calculate the weight of the second indexes. In this way, the health measure can be considered in terms of objective data and a subjective classification. The results of the computation show that the whole system provides a good measure of the health. The results express the measurement of the health of the river on different levels and for different aspects, which indicates that the evaluation method is feasible.

Footnotes

†

This work was supported by Project 2008DFR70460 of the International Science and Technology Cooperation Program of China.

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