Journal
ENVIRONMENTAL EARTH SCIENCES
Volume 72, Issue 10, Pages 4179-4189Publisher
SPRINGER
DOI: 10.1007/s12665-014-3314-6
Keywords
Site selection; Municipal solid waste management; VIKOR method; Fuzzy sets
Funding
- Natural Science Foundation of China [70972142, 71172217, 71272177/G020902]
- Innovation Program of Shanghai Municipal Education Commission [12ZS101]
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Nowadays, selection of the suitable disposal site in municipal solid waste (MSW) management has become a challenge task for the municipal authorities, especially in fast-growing areas. Site selection can be viewed as a complicated multi-criteria decision-making (MCDM) problem requiring consideration of multiple alternative solutions and conflicting quantitative and qualitative criteria. In this paper, linguistic variables, which can be expressed as trapezoidal fuzzy numbers, are used to assess the ratings and weights for the selection criteria. The ordered weighted averaging operator is utilized to transform the fuzzy decision matrix into crisp values considering the decision maker's attitudinal character. For selecting the best site, the extended VIsekriterijumska optimizacija i KOmpromisno Resenje (VIKOR) method is applied to determine the priority ranking of alternatives. As a result, a hierarchy MCDM model based on fuzzy set theory and VIKOR method is proposed to deal with the site selection problems in the MSW management system. An empirical study in Shanghai, China, is provided and comparison with the existing approach is conducted to illustrate the applicability and benefits of the proposed method.
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