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http://dx.doi.org/10.11108/kagis.2020.23.1.001

Analysis on the Characteristics of Heat Wave Vulnerable Areas Using Landsat 8 Data and Vulnerability Assessment Analysis  

KIM, Ji-Sook (Dept. of Urban Planning and Engineering, Dong-A University)
KIM, Ho-Yong (Dept. of Urban Planning and Engineering, Dong-A University)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.23, no.1, 2020 , pp. 1-14 More about this Journal
Abstract
Cities are highly susceptible to disasters due to concentration of population and infrastructure and intensive land use, and there are various factors that affect vulnerability according to regional characteristics. This study analyzed the vulnerability of the heat wave and the surface temperature extracted from Landsat 8 satellite data. Areas with high surface temperature and with high vulnerability did not match. This study overlaid the results of vulnerability analysis and the land surface temperature(LST) in order to identify causes of vulnerability. The results showed that some areas within high-density commercial and semi-residential areas were the most vulnerable, with climate exposure factors, the ratio of the vulnerable populations and residential defective areas being the main causes. Accordingly, alternatives such as green space and residential environmental improvement could be suggested. Various policies for reducing and adapting to heat wave have been established and implemented. However, it is necessary to examine the regional and spatial characteristics of the city, to accurately diagnose the cause of the heat wave, and to prepare appropriate long-term alternatives accordingly.
Keywords
Heat Wave; Landsat 8; Land Surface Temperature; Vulnerability analysis; Overlay Analysis;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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