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A Study on Construction Techniques of River Topography for Flood Inundation Analysis  

Lee, Jungsik (금오공과대학교 토목환경공학부)
Moon, Changgeon ((주)보원 수자원방재부)
Kim, Seokdong (금오공과대학교 대학원 토목공학과)
Cho, Sunggeun (금오공과대학교 대학원 토목공학과)
Shin, Shachul (안동대학교 토목공학과)
Publication Information
Journal of the Korean GEO-environmental Society / v.13, no.5, 2012 , pp. 59-68 More about this Journal
Abstract
The objective of this study is a comparison with simulation results of flood inundation by the construction techniques of river topography. For construction of river topography, the data used in this study are 1:5,000 topographic DEM, ASTER DEM and SRTM DEM provided by WMS. Also HEC-RAS and HEC-GeoRAS are applied to analyze of inundation depth and area. Flood inundations are simulated by 3 techniques in return periods and compared with the results. The results of this study are as follows; (1) Comparative analysis of the results shows that they have only a little difference in construction techniques of river topography at midsized catchment. (2) Flood inundations by ASTER DEM is to estimate larger than the other techniques in flood area (3) In case of SRTM DEM, the application can be expected to make use in the fields because of proper results in flood inundation analysis.
Keywords
River topography; ASTER; SRTM; HEC-GeoRAS; Flood inundation; DEM;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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