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http://dx.doi.org/10.7780/kjrs.2005.21.4.317

Real-Time Flash Flood Evaluation by GIS Module at Mountainous Area  

Nam, Kwang-Woo (Department of Urban Design and Development, Kyung Sung University)
Choi, Hyun (Research Institute of Industrial Technology, Pusan National University)
Publication Information
Korean Journal of Remote Sensing / v.21, no.4, 2005 , pp. 317-327 More about this Journal
Abstract
The flood is the most general and frequently occurs among natural disasters. Generally flood by the rainfall which extends superexcellently for the occurrence but flash flood from severe rain storm gets up an absurd drowsiness at grade hour. This paper aims to 1 hour real-time flash flood and predict possibility at the area where is the possible flood will occur from the rainfall hour mountain after acquiring data in GIS(Geographic Information System) base by GcIUH(Geomorphoclimatic Instantaneous Unit Hydrograph). The flash flood occurrence is set up at 0.5m, 0.7m and 1.0m in standard depth. And this study suggests standard flood alarm which designed by probable flood according to duration time. The research result shows real-time flash flood evaluation has the suitable standard in the basin when comparing with the existing official warning announcement system considering topographical information.
Keywords
flash flood; GIS(Geographic Information System); GCIUH(Geomorphoclimatic Instantaneous Unit Hydrograph); real-time flash flood analysis; topographical information;
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