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LIU Sheng-wei, GUO Da-hai, CHEN Wei-Tao, ZHENG Xiong-wei, WANG Sheng-yao, LI Xian-Ju. The application of airborne lidar technology in landslide investigation and monitoring of Three Gorges Reservoir Area[J]. GEOLOGY IN CHINA, 2012, 39(2): 507-517.
Citation: LIU Sheng-wei, GUO Da-hai, CHEN Wei-Tao, ZHENG Xiong-wei, WANG Sheng-yao, LI Xian-Ju. The application of airborne lidar technology in landslide investigation and monitoring of Three Gorges Reservoir Area[J]. GEOLOGY IN CHINA, 2012, 39(2): 507-517.

The application of airborne lidar technology in landslide investigation and monitoring of Three Gorges Reservoir Area

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  • Abstract:The airborne lidar is a new kind of remote sensing technology for collecting accurate three-dimensional coordinates on the surface by laser. In order to investigate and monitor the landslide of Three Gorges Reservoir Area, the authors obtained the high-precision DEM through the acquisition and processing of the airborne lidar data. On such a basis, the authors made the airborne lidar landslide investigation and dynamic monitoring test qualitatively and quantitatively. The resutls indicate that the lidar hill shade map can express micro-topography, and the lidar slope and surface roughness maps can provide precise micro-geomorphic feature parameters. In addition, deformation trends and characteristics of the landslide within a certain period can be detected and accurate deformation can be measured by multi-phase airborne lidar data.

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