RESEARCH ARTICLE

Relationship between landslides and lithology in the Three Gorges Reservoir area based on GIS and information value model

  • Caiyan WU , 1,2 ,
  • Jianping QIAO 1,2
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  • 1. Environment and Resource College, Southwest University of Science and Technology, Mianyang 621010, China
  • 2. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences & Ministry of Water Conservancy, Chengdu 610041, China

Published date: 05 Jun 2009

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg

Abstract

Landslides, which develop in the Three Gorges Reservoir area, are related to many factors. Lithology is one of the indispensable internal factors, besides relative height differences, slope gradients and slope profiles. We used an information value model with geographical information system (GIS) technology to study how lithology contributes to the development of landslides from the Yunyang to Wushan segment in the Three Gorges Reservoir area and we quantify the relationship between lithology and development of landslides. Via an investigation of 205 examples of past landslides, we found that the lithology of J3s, J3p and T2b contributes most. Our research results can provide a valid basis for future construction in the Three Gorges Reservoir area.

Cite this article

Caiyan WU , Jianping QIAO . Relationship between landslides and lithology in the Three Gorges Reservoir area based on GIS and information value model[J]. Frontiers of Forestry in China, 0 , 4(2) : 165 -170 . DOI: 10.1007/s11461-009-0030-6

Acknowledgements

This work was supported by the Fund for Youth Ph. D of Southwest University of Science and Technology (No. 07ZX7131), the Third Term Key Innovation Item of the Chinese Academy of Sciences (No. KJCX3-SW-L1-6), the National Science Project of the Ministry of Science and Technology of China (No. 2006BACO4B05) and the Item of International Co-operation of the Ministry of Science and Technology of China (No. 2007DFA21150).
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