Controlling factors of loess landslides in western China |
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| Authors: | M Zhang Jie Liu |
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| Institution: | (1) Center for Water Research, College of Engineering, Peking University, 100871 Beijing, China;(2) Xi’an Regional Center, China Geological Survey, Xi’an, China; |
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| Abstract: | Based on detailed field data from recent geo-hazards surveys in the Loess Plateau region of western China, this study analyzes
the key factors that control loess landslides. The evolution phase of river valleys, the geological structure of slopes and
the geometry of slopes are all found to play a role in determining the occurrence, distribution and other characteristics
of loess landslides. Groundwater and vegetation also contribute to their formation. A combination of human engineering activities
and precipitation events are the principal triggering factors for the instability of loess slopes. |
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