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http://dx.doi.org/10.3741/JKWRA.2012.45.9.901

Fuzzy TOPSIS Approach to Flood Vulnerability Assessment in Korea  

Kim, Yeong-Kyu (Department of Civil Engineering, Seoul National University of Science & Technology)
Chung, Eun-Sung (Department of Civil Engineering, Seoul National University of Science & Technology)
Lee, Kil-Seong (Department of Civil & Environmental Engineering, Seoul National University)
Publication Information
Journal of Korea Water Resources Association / v.45, no.9, 2012 , pp. 901-913 More about this Journal
Abstract
This study will be a new attempt to quantify flood vulnerability taking into account uncertainty. Information obtained from the real world has lots of uncertainties. Therefore, this study developed an approach to quantify spatial flood vulnerability of Korea using Fuzzy TOPSIS approach. Also, Fuzzy TOPSIS were compared with TOPSIS and weighted sum method. As a result, rankings of some areas were changed dramatically due to the uncertainty. Spearman rank correlation analysis indicated that the rankings of TOPSIS and weighted sum method were almost similar, but quite different from ranking of Fuzzy TOPSIS. In other words, because applying Fuzzy concept in regional vulnerability assessment may cause a significant change in priorities, the model presented in this study may be a method of vulnerability assessment.
Keywords
flood vulnerability assessment; uncertainty; Fuzzy TOPSIS;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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