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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Tae Yun (Sungkyunkwan University) Yun, Hong Sic (Sungkyunkwan University) Kwon, Jung Hwan (Sungkyunkwan University)
저널정보
대한공간정보학회 대한공간정보학회지 한국지형공간정보학회지 제24권 제2호
발행연도
2016.6
수록면
15 - 24 (10page)

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초록· 키워드

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This study conducted an evaluation of the extent of debris flow damage using SINMAP, which is slope stability analysis software based on the infinite slope stability method, and FLO-2D, a hydraulic debris flow analysis program. Mt. Majeok located in Chuncheon city in the Gangwon province was selected as the study area to compare the study results with an actual 2011 case. The stability of the slope was evaluated using a DEM of 1 x 1m resolution based on the LiDAR survey method, and the initiation points of the debris flow were estimated by analyzing the overlaps with the drainage network, based on watershed analysis. In addition, the study used measured data from the actual case in the simulation instead of existing empirical equations to obtain simulation results with high reliability. The simulation results for the impact of the debris flow showed a 2.2-29.6% difference from the measured data. The results suggest that the extent of damage can be effectively estimated if the parameter setting for the models and the debris flow initiation point estimation are based on measured data. It is expected that the evaluation method of this study can be used in the future as a useful hazard mapping technique among GIS-based risk mapping techniques.

목차

Abstract
1. Introduction
2. Causes of Landslides
3. Analysis of Characteristics of Debris Flow Development in Study Area
4. Slope Stability Analysis
5. Debris Flow Movement Simulation
6. Conclusions and Discussion
References

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UCI(KEPA) : I410-ECN-0101-2017-452-000796808