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http://dx.doi.org/10.3741/JKWRA.2020.53.12.1183

Development and application of the estimation method of flood damage in the ungauged basin using satellite data  

Yeom, Woong-Sun (Department of Urban Infrastructure and Disaster Prevention Engineering, Seokyeong University)
Park, Dong-Hyeok (Research Institute, RAON T&C)
Ahn, Jaehyun (Department of Civil and Architectural Engineering, Seokyeong University)
Publication Information
Journal of Korea Water Resources Association / v.53, no.12, 2020 , pp. 1183-1192 More about this Journal
Abstract
Economic analysis is a basic step in establishing disaster mitigation measures, but it is difficult to verify the results due to uncertainty. Therefore, the scope of investigation and analysis is wide. However, it is difficult to predict the amount of damage caused by flooding because the collection of relevant data is limited in the ungauged basin. In this study, distributed runoff analysis and flooding analysis were performed, and a method of estimating the amount of flood damage in the ungauged basin was proposed using collectible social and economic indicators and flood analysis results. For distributed runoff analysis and flooding analysis, GRM (Grid based Rainfall-runoff Model) and G2D (Grid based 2-Dimensional land surface flood model) developed by Korea Institute of Civil engineering and Building Technology were used. The method of substituting collectible social and economic indicators into the simple method and improvement method was used to estimate the amount of flood damage. As a result of the study, it was possible to estimate the amount of flood damage using satellite data and social and economic indicators in the ungauged basin.
Keywords
Flood damage; Ungauged basin; Satellite data; GRM; G2D;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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