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The water storage and millions of immigrants work have a great impact on engineering geological condition which may cause slope instability in the Three Gorges Reservoir area, China. This paper presents regional assessment of landslide hazard from Zigui to Badong based on Light Detection and Ranging (LIDAR) data in combination with geological maps and landslides information of this area. Four essential parameters, including engineering rocks, slope, slope structure and water impact, are extracted from this data. The informative model is employed to create landslide hazard map. The result shows that informative model successfully identified the stable regions as well as instable reservoir banks. Reservoir water and engineering rocks are principle control on slope stability in this area. We also divided the study area into fourteen sections according to the landslide hazard map.
Geoinformatics, 2010 18th International Conference on
Date of Conference: 18-20 June 2010