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http://dx.doi.org/10.12652/Ksce.2016.36.5.0915

Categorize Debris Flow Hazard Zones in Urban Areas: The Case of Seoul  

Park, Changyeol (Jeju Development Institute)
Shin, Sang Young (Department of Safety and Environment Research, The Seoul Institute)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.36, no.5, 2016 , pp. 915-926 More about this Journal
Abstract
The purpose of this study is to classify debris flow hazard zones in urbanized areas using multivariate statistical analyses and to suggest customized management strategies to each areal type. Using field survey data set in Seoul, 49 sample debris hazard zones are selected. Clustering and discriminant analyses show that debris flow hazard zones are classified into two types. Surrounding land use and land slope are major factors influencing to the categorization. The results suggest that, by considering the characteristics of each areal type, more customized management strategies for debris flow hazard are necessary. Particularly, in addition to traditional structural measures, non-structural measures including land use and development control for downstream built-up areas should be emphasized in urbanized areas to mitigate human and property damages from debris flow hazard more fundamentally.
Keywords
Urbanized area; Debris flow disaster; Hazard zone; Classification; Management strategies;
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Times Cited By KSCI : 17  (Citation Analysis)
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