Technology Application |
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A study of remote sensing image features of typical landslides |
TONG Liqiang, GUO Zhaocheng |
China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China |
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Abstract The image features of landslides with different kinds of geological conditions,types and runout distances show great difference in remote sensing images with different resolutions. For long-runout landslide and complex landslide,the available interpretation keys are few, so that the identification of landslide mainly relies on ground survey. On the basis of the achievements of landslide remote sensing investigation obtained both in China and abroad and the remote sensing investigation projects for geological hazards, the authors analyzed the remote sensing image features of typical landslides,including Daqingkan Landslide,Qianjiangping Landslide,Wulong Landslide and 102 landslide group in Tibetan region. Then,the interpretation keys to landslides,especially to the high-speed and long-runout landslides, were summarized for colleagues'reference.
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Keywords
spatial pattern
AHP
GIS
evaluation model
urbanization
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Issue Date: 21 February 2013
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