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http://dx.doi.org/10.14249/eia.2015.24.2.190

Quantification of Climate Change Vulnerability Index for Extreme Weather - Focused on Typhoon case -  

Kim, Cheol-Hee (Department of Atmospheric Sciences, Pusan National University)
Nam, Ki-Pyo (National Institute of Environmental Research)
Lee, Jong-Jae (Department of Atmospheric Sciences, Pusan National University)
Publication Information
Journal of Environmental Impact Assessment / v.24, no.2, 2015 , pp. 190-203 More about this Journal
Abstract
VRI(Vulnerability-Resilience Index), which is defined as a function of 3 variables: climate exposure, sensitivity, and adaptive capacity, has been quantified for the case of Typhoon which is one of the extreme weathers that will become more serious as climate change proceeds. Because VRI is only indicating the relative importance of vulnerability between regions, the VRI quantification is prerequisite for the effective adaptation policy for climate in Korea. For this purpose, damage statistics such as amount of damage, occurrence frequency, and major damaged districts caused by Typhoon over the past 20 years, has been employed. According to the VRI definition, we first calculated VRI over every district in the case of both with and without weighting factors of climate exposure proxy variables. For the quantitative estimation of weighting factors, we calculated correlation coefficients (R) for each of the proxy variables against damage statistics of Typhoon, and then used R as weighting factors of proxy variables. The results without applying weighting factors indicates some biases between VRI and damage statistics in some regions, but most of biases has been improved by applying weighting factors. Finally, due to the relations between VRI and damage statistics, we are able to quantify VRI expressed as a unit of KRW, showing that VRI=1 is approximately corresponding to 500 hundred million KRW. This methodology of VRI quantification employed in this study, can be also practically applied to the number of future climate scenario studies over Korea.
Keywords
Climate change vulnerability index; Vulnerability-Realliance Index; Severe weather; Typhoon; Climate exposure;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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