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http://dx.doi.org/10.14481/jkges.2017.18.1.13

A Study on Behavior Characteristics and Triggering Rainfall of Debris Flow  

Jang, Changbong (Sam Kyung Co., Ltd.)
Choi, Youngnam (Civil Engineering, Kangwon National University)
Yoo, Namjae (Civil Engineering, Kangwon National University)
Publication Information
Journal of the Korean GEO-environmental Society / v.18, no.1, 2017 , pp. 13-21 More about this Journal
Abstract
In this study, the behavior characteristics and triggering rainfall of debris flow were investigated on the basis of DB constructed by performing field investigation and collecting the rainfall data at the sites where debris flow occurred around the west of Gangwon and adjacent areas during the last 10 years. For hill slope and channelized type of debris flow, its behavior characteristic was analyzed through runout channel of debris flow divided into zone of initiation, transportation and deposition and its magnitude was estimated by considering erosion at zones of initiation and transportation. Some considerations related to establishment of landslide forecasting criterion were raised by comparing the analyzed results of analysis of rainfall at the time of debris-flow occurrence with the previous researches about the triggering rainfall of debris flow. In addition, an ID curve of inducing debris flow adequate to the investigated site was proposed and compared with results of previous study.
Keywords
Debris flow; Field investigation; Types of debris flow; Behaviour characteristics; Magnitude; Triggering rainfall; ID curve;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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