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http://dx.doi.org/10.17663/JWR.2018.20.4.370

Sub-Components Evaluation Method of Potential Flood Damage Considering Yearly Change and Improved Method  

Hong, Seungjin (Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology)
Joo, Hongjun (Department of Civil Engineering, Inha university)
Kim, Kyoungtak (Department of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology)
Kim, Hung Soo (Department of Civil Engineering, Inha university)
Publication Information
Journal of Wetlands Research / v.20, no.4, 2018 , pp. 370-382 More about this Journal
Abstract
The purpose of this study is to quantitatively and effectively evaluate the factors affecting flood damage by watershed. National Water Resource Plan(MOCT, 2001) has been developed Potential Flood Damage(PFD) which indicates flood vulnerability. But, it is only a simple grouping and it does not provide guidelines for flood control planning based on detailed evaluation of sub-components. In this study, we used PFD in the Han River basin according to the method applied in the National Water Resource Plan (existing method) and improvement based on actual flood hazard area and data. As an application method, after analyzing by yearly change(2009~2014), we compared and analyzed the tendency of the sub - components that constitute the potential and risk rather than the current grouping. As the result, it was possible to accurately evaluate the existing and improved methods, and it was possible to derive the vulnerability rankings, but the existing methods have different results from the actual watershed tendency. Therefore, the PFD of the improvement method that correctly reflects past history and watershed characteristics is more appropriate for the evaluation of flood vulnerability in the watershed. In addition, it is reasonable to establish a flood control plan referring to this and prevent flood damage in advance.
Keywords
Improved potential flood damage; Yearly change analysis; Flood vulnerability ranking; Flood control plan;
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Times Cited By KSCI : 2  (Citation Analysis)
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