Prioritization in Strategic Environmental Assessment Using Fuzzy TOPSIS Method with Random Generation for Absent Information in South Korea

Daeryong Park, Huan-Jung Fan, Jun-Jie Zhu, Taesoon Kim, Myoung-Jin Um, Siyeon Kim, Seol Jeon and Kichul Jung
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Daeryong Park: Department of Civil and Environmental Engineering, Konkuk University, Seoul 05029, Korea
Huan-Jung Fan: Department of Safety, Health and Environmental Engineering, Hungkuang University, Taichung 43302, Taiwan
Jun-Jie Zhu: Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544, USA
Taesoon Kim: Korea Hydro & Nuclear Power Co. Ltd., Chuncheon 24202, Korea
Myoung-Jin Um: Department of Civil Engineering, Kyonggi University, Suwon 16227, Korea
Siyeon Kim: Department of Civil and Environmental Engineering, Konkuk University, Seoul 05029, Korea
Seol Jeon: Department of Civil and Environmental Engineering, Konkuk University, Seoul 05029, Korea
Kichul Jung: Department of Civil and Environmental Engineering, Konkuk University, Seoul 05029, Korea

Sustainability, 2021, vol. 13, issue 3, 1-16

Abstract: This study evaluated a fuzzy technique for order performance by similarity to ideal solution (TOPSIS) as a multicriteria decision making system that compensates for missing information with undefined weight factor criteria. The suggested Fuzzy TOPSIS was applied to ten potential dam sites in three river basins (the Han River, the Geum River, and the Nakdong River basins) in South Korea. To assess potential dam sites, the strategic environment assessment (SEA) monitored four categories: national preservation, endangered species, water quality, and toxic environment. To consider missing information, this study applied the Monte Carlo Simulation method with uniform and normal distributions. The results show that effects of missing information generation with one fuzzy set in GB1 site of the Geum River basin are not great in fuzzy positive-ideal solution (FPIS) and fuzzy negative-ideal solution (FNIS) estimations. However, the combination of two fuzzy sets considering missing information in Gohyun stream (NG) and Hoenggye stream (NH) sites of the Nakdong River basin has a great effect on estimating FPIS, FNIS, and priority ranking in Fuzzy TOPSIS applications. The sites with the highest priority ranking in the Han River, Geum River, and Nakdong River basins based on Fuzzy TOPSIS are the Dal stream 1 (HD1), Bocheong stream 2 (GB2) and NG sites. Among the sites in all river basins, the GB2 site had the highest priority ranking. Consequently, the results coincided with findings of previous studies based on multicriteria decision making with missing information and show the applicability of Fuzzy TOPSIS when evaluating priority rankings in cases with missing information.

Keywords: Fuzzy TOPSIS; missing information generation; Monte Carlo Simulation; multicriteria decision making; priority ranking; proposed dam sites; strategic environment assessment (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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