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http://dx.doi.org/10.3741/JKWRA.2006.39.12.1013

Development and Verification of Inundation Modeling with Urban Flooding Caused by the Surcharge of Storm Sewers  

Kim, Ji-Sung (Dept. of Civil Engrg., Kyungpook National Univ.)
Han, Kun-Yeun (Dept. of Civil Engrg., Kyungpook National Univ.)
Lee, Chang-Hee (Dept. of Digital City, Seoul Development Institute.)
Publication Information
Journal of Korea Water Resources Association / v.39, no.12, 2006 , pp. 1013-1022 More about this Journal
Abstract
Urban flooding is usually caused by the surcharge of storm sewers. For this reason, previous studies on urban flooding are mainly concentrated on the simulation of urban drainage systems. However these approaches that find the pipes which have insufficient drainage capacity are very approximate and unreasonable ways in establishing both flood prevention and flood-loss reduction planning. In this study, a two-dimensional model linked the existing ILLUDAS model is developed to calculate the accurate and resonable solution about urban flood inundation and it is verified by using the simulation of July 2001 flood in Seoul. In the urban area with a small difference of ground elevations, the two-dimensional flood propagation phases must be considered to make a accurate analysis for inundated area and depth. The result of this study can be used to construct fundamental data for a flood control plan and establish a urban flood forecasting/warning system.
Keywords
Urban Inundation; Storm Drainage; Surface water; GIS; ILLUDAS;
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Times Cited By KSCI : 1  (Citation Analysis)
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