Journal of the Korean GEO-environmental Society (한국지반환경공학회 논문집)

Korean Geo-Environmental Society (한국지반환경공학회)
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Landslide Susceptibility Evaluation in Yanbian Region

  • Liu, Xiuxuan (Department of Civil Engineering, Yanbian University) ;
  • Quan, Hechun (Department of Civil Engineering, Yanbian University) ;
  • Moon, Hongduk (Department of Civil Engineering, Gyeongnam National University of Science and Technology) ;
  • Jin, Guangri (Department of Civil Engineering, Yanbian University)
  • Received : 2016.09.20
  • Accepted : 2016.12.28
  • Published : 2017.02.01
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Abstract

In order to evaluate landslide susceptibility in Yanbian region, this study analyzed 7 factors related to landslide occurrence, such as soil, geology, land use, slope, slope aspect, fault and river by Analytic Hierarchy Process (AHP), and calculated the weights of these 7 hazard-induced factors, determined the internal weights and the relative weights between various factors. According to these weights, combining the Remote Sensing technology (RS) with Geographic Information System technology (GIS), the selected area was evaluated by using GIS raster data analysis function, then landslide susceptibility chart was mapped out. The comprehensive analysis of AHP and GIS showed that there has unstable area with the potential risk of sliding in the research area. The result of landslide susceptibility agrees well with the historical landslides, which proves the accuracy of adopted methods and hazard-induced factors.

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References

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