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http://dx.doi.org/10.17640/KSWST.2018.26.6.133

Mapping Urban Inundation Using Flood Depth Extraction from Flood Map Image  

Na, Seo Hyeon (International Center for Urban Water Hydroinformatics Research & Innovation)
Lee, Su Won (International Center for Urban Water Hydroinformatics Research & Innovation)
Kim, Joo Won (International Center for Urban Water Hydroinformatics Research & Innovation)
Byeon, Seong Joon (International Center for Urban Water Hydroinformatics Research & Innovation)
Publication Information
Journal of Korean Society of Water Science and Technology / v.26, no.6, 2018 , pp. 133-142 More about this Journal
Abstract
Increasing localized torrential rainfall caused by abnormal climate are making higher damage to human and property through urban inundation So The need of preventive measures is being highlighted. In this study, the methodology for calculating flood depth in domestic water map using an interpolation method in order to utilizing the results of flood analysis provided only in the form of a report is suggested. In the Incheon Metropolitan City S area as the test-bed, the flood depth was calculated using the interpolating the actual flood analysis by image and verification was performed. Verification results showed that the error rate was 5.2% for the maximum flooding depth, and that the water depth value was compared to 10 random points, which showed a difference of less than 0.030 m. Also, as the results of the flood analysis were presented in various ways, the flood depth was extracted from the image of the result of the flood analysis, which changed the presentation method, and then compared and analyzed. The results of this study could be available for the use of basic data from the research on the urban penetration of domestic consumption and for decision-making of policy.
Keywords
Flood depth extraction; Flood map; Interpolation; RGB; Urban inundation;
Citations & Related Records
연도 인용수 순위
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