Abstract
In this study, fuzzy mathematics and VIKOR were employed to develop a flood vulnerability assessment system for Ulsan Metropolitan City, South Korea in 2018. HEC-HMS model was used to simulate the major rivers’ runoff in Ulsan Metropolitan City, and HEC-RAS model was used to convert the 1-D runoff simulation results into 2-D results of inundation map, while the simulation results were exhibited through ArcMap. Hazards, sensitivity and adaptivity were selected as the three evaluation indicators for fuzzy comprehensive evaluation, and pressure resilience, state resilience and response resilience were utilized as the indicators for ranking and comparison of the VIKOR method for local governments (administrative districts) of Ulsan Metropolitan City. As the result, Dong-gu district, Ulju-jun County and Nam-gu district showed the best results by both the fuzzy mathematical and the VIKOR method in hazard and pressure, sensitivity and state, adaptivity and response indicator. Fuzzy mathematics and the VIKOR method provide two different ways to study the flood protection capacity of Ulsan Metropolitan City, comparing the historical statistics, VIKOR method’s evaluation results match well with the flooding statistics in Ulsan Metropolitan City.
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Feng, Q., Kim, D., Wang, Wj. et al. A Case Study: Evaluation of Urban Flood Resilience Based on Fuzzy Mathematics and VIKOR Method in Ulsan Metropolitan City, South Korea. KSCE J Civ Eng 28, 1554–1565 (2024). https://doi.org/10.1007/s12205-024-0595-5
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DOI: https://doi.org/10.1007/s12205-024-0595-5