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http://dx.doi.org/10.5389/KSAE.2007.49.2.017

Analyzing the Flood Inundation in Low Agricultural Area  

Jun, Kye-Won (강원대학교 방재기술전문대학원)
Lee, Ho-Jin (강원대학교)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.49, no.2, 2007 , pp. 17-24 More about this Journal
Abstract
This study analyzes the flood inundation in low agricultural area caused by rainfall during typhoon periods and how flood inundation areas should be affected. GIS techniques, HEC-HMS and HEC-GeoHMS were used for flood runoff, HEC-RAS was applied in water surface elevation analysis at each cross-section. RMA2, SED2D were applied for runoff characteristics of inundation areas and river bed change and distribution of sediment. As a result, velocity distribution was analyzed 2.6 m/s-3.4 m/s in flood inundation by water level increase. In the case of bed elevation change, most sediments were deposited to the parts that adjoin bank.
Keywords
Flood inundation; Runoff characteristics; HEC-GeoHMS; RMA2; SED2D;
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