A group Multi-Criteria Decision-Making method for water supply choice optimization

Amir Noori, Hossein Bonakdari, Amir Hossein Salimi and Bahram Gharabaghi

Socio-Economic Planning Sciences, 2021, vol. 77, issue C

Abstract: In this study, an extension of a group Multi-Criteria Decision-Making (MCDM) method based on the fuzzy ELECTRE III (ELimination Et Choice Translating REality) model is presented for water supply choice optimization. The fuzzy ELECTRE III method is improved by using three credibility definitions - concordance, discordance, and net degrees. Experts' opinions are transformed into triangular fuzzy numbers based on the level of uncertainty associated with quantitative and qualitative criteria. The main priority of this method compared to other existing MCDM is that it is a more effective way of dealing with the uncertainties in projects as the application of the opinions is made based on a group decision. A Case Study of a water supply system for the Gamasiab Basin located in the Kermanshah province of Iran is examined to demonstrate the application of the model. Comparing the introduced method's results with the existing MCDMs, including fuzzy TOPSIS and fuzzy AHP methods, indicated that the new method stands more consistent with the local experts' opinions. Therefore, the proposed method is recommended as the optimal decision-making technique for similar applications of complex water supply engineering projects.

Keywords: Water resources; Optimal water supply; Gamasiab basin; ELECTRE III; Triangular fuzzy number (TFN) (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (9)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:soceps:v:77:y:2021:i:c:s0038012120308430

DOI: 10.1016/j.seps.2020.101006

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