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http://dx.doi.org/10.12672/ksis.2015.23.2.039

Development of Strategics for Establishment of Spatial Information by Assessment of GIS-Based Flood Risk  

Sim, Gyoo Seong (GIS Team, Dongbu Engineering)
Lee, Choon Ho (Water Resources and Environment Dept., Dongbu Engineering)
Lee, Tae Geun (GIS Team, Dongbu Engineering)
Jee, Gye Hwan (Water Resources and Environment Dept., Dongbu Engineering)
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Abstract
In this study, we evaluated flood risk by applying calculation fomula considering practical risk calculated by inundation analysis information through 2D inundation analysis, suggested a plan that provides a standardized information system. Generally, we evaluated flood risk to people and classified four degrees by using inundation depth, velocity, Debris Factor and Flood Hazard Rating relationship because current flood risk assessment method based inundation depth and area was considered to not fully reflect the actual risk to people on flood. We simulated overflow and levee break scenarios according to 500 year and 200 year floods, respectively, by using Flumen which is a 2D flood inundation model for Geumho river basin in Daegu. The result of this study could contribute to inform practical risk information to people in expected flood area. This study can be useful for the fields of disaster estimatingsuch as information analysis, evaluation, planning by offering Risk information based on standardized information system.
Keywords
Inundation; Flumen; Flood Hazard Rationg; Flood Risk; Spatial Information;
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Times Cited By KSCI : 4  (Citation Analysis)
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