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Analysis and Verification of Slope Disaster Hazard Using Infinite Slope Model and GIS  

박혁진 (세종대학교 지구정보공학과)
이사로 (한국지질자원연구원)
김정우 (세종대학교 지구정보공학과)
Publication Information
Economic and Environmental Geology / v.36, no.4, 2003 , pp. 313-320 More about this Journal
Abstract
Slope disaster is one of the repeated occurring geological disasters in rainy season resulting in about 23 human losses in Korea every year. The slope disaster, however, mainly depends on the spatial and climate properties. such as geology, geomorphology, and heavy rainfall, and, hence, the prediction or hazard analysis of the slope disaster is a difficult task. Therefore, GIS and various statistical methods are implemented for slope disaster analysis. In particular, GIS technique is widely used for the analysis because it effectively handles large amount of spatial data. The GIS technique. however, only considers the statistics between slope disaster occurrence and related factors, not the mechanism. Accordingly. an infinite slope model that mechanically considers the balance of forces applied to the slope is suggested here with GIS for slope disaster analysis. According to the research results, the infinite slope model has a possibility that can be utilized for landslide prediction and hazard evaluation since 87.5％ of landslide occurrence areas have been predicted by this technique.
Keywords
infinite slope model; GIS; slope disaster; mechanical model;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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