Abstract
The geological disaster is one of the important research contents of the field of Earth Science. In this paper, the method of theoretical knowledge,field surveys and laboratory experiments is adopted.The Erman Mountain in Hanyuan County is the research object.Analysis the environmental conditions,development characteristics and mechanism. Select the characters of landslide, geological structure, elevation, slope, slope, earthquake, rainfall and other factors as analysis variables. Combine GIS with fuzzy mathematical evaluation method, develop the landslide stability evaluation plug-in and then divide the risk regionalization of study area, in order to avoid occurrence of geological hazards in the area, reduce casualties and property losses. The results show that The occurrence of landslide areas are mainly concentrated in the elevation at about 1600 m and 30° ~ 50° slope area.With the increase of height and slope, the possibility of landslides is increasing.
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