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http://dx.doi.org/10.3741/JKWRA.2006.39.5.441

DEM Based Urban Inundation Analysis Model Linked with SWMM  

Lee, Chang-Hee (Dept. of Digital City, Seoul Development Institute)
Han, Kun-Yeun (Dept. of Civil Engrg., Kyungpook National Univ.)
Choi, Kyu-Hyun (River Information Center, Han River Flood Control Office, MOCT)
Publication Information
Journal of Korea Water Resources Association / v.39, no.5, 2006 , pp. 441-452 More about this Journal
Abstract
Recently the natural damage associated with flood disaster has been dramatically increased. Especially, inundation in the urban area causes serious damage to people and assets because of the concentration of infrastructure and population growth. The purpose of this study is to develop a new urban inundation model combining a storm sewer system model and a 2D overland-flow model for the estimation inundation depth In urban area caused by the surcharge of storm sewers. The movement of water in the studied urban watershed is characterized by two components, namely, the storm sewer flow component and the surcharge-induced inundation component. The model was applied to Goonja and Jangan catchments. Inundated depths were presented to demonstrate model simulation results. The simulation results can help the authority decide preventing flood damages by redesigning and enlarging the capacities of storm sewer systems in the inundation-prone areas. The model can also be applied to make the potential inundation area map and establish flood-mitigation measures as a part of the decision support system for flood control authority.
Keywords
Urban Inundation; Storm Sewer System Model; 2D overland-flow model; Inundated Depth;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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