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http://dx.doi.org/10.3741/JKWRA.2006.39.4.347

Development of a Flood Runoff and Inundation Analysis System Associated With 2-D Rainfall Data Generated Using Radar III. 2-D Flood Inundation Simulation  

Choi, Kyu-Hyun (River Information Center, Han River Flood Control Office, MOCT)
Han, Kun-Yeun (Dept. of Civil. Eng., Kyungpook National Univ.)
Kim, Sang-Ho (Dept. of Civil Eng., Sangji Univ.)
Lee, Chang-Hee (Dept. of Civil. Eng., Kyungpook National Univ.)
Publication Information
Journal of Korea Water Resources Association / v.39, no.4, 2006 , pp. 347-362 More about this Journal
Abstract
In this study, a 2-D flood inundation model was developed to evaluate the impact of levee failure in a natural basin for flood analysis. The model was applied to analyze the inundation flow from the levee break of Gamcheon river during the typhoon Rusa on October 31 through September 1, 2002. To verify the simulated results, wide range field surveys have been performed including the collection of NGIS database, land use condition, flooded area, and flow depths. Velocity distributions and inundation depths were presented to demonstrate the robustness of the model. Model results have good agreements with the observed data in terms of flood level and flooded area. The model is able to compute maximum stage and peak discharge efficiently in channel and protected lowland. Methodology considering radar-rainfall estimation using cokriging scheme, flood-runoff and inundation analysis in this study will contribute to the establishment of the national integrated flood disaster prevention system and the river or protect lowland management system.
Keywords
2-D numerical model; flood inundation simulation; radar; cokriging;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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