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RISK ZONING AND DISASTER-INDUCING FACTOR SCREENING OF LANDSLIDE IN ZHENXIONG COUNTY, YUNNAN PROVINCE |
YU Fei-yan1, LYU Meng1, YANG Jun2 |
1. College of Land and Resources, Kunming University of Science and Technology, Kunming 650093, China; 2. College of Resource Environment and Earth Sciences, Yunnan University, Kunming 650504, China |
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Abstract Combining multi-disciplinary theories and methods like environgeology and physiography for field investigation and mathematical model calculation of indoor collected data, this paper systematically studies the space-time distribution regularity of the geological disaster of landslide in Zhenxiong County. Based on the GIS overlay analysis function, the major disaster-inducing factors of landslide are obtained. By quantizing each factor with certainty factor (CF) method, a multiple linear regression model with major disaster-inducing factor data and landslide-prone levels which is fit for the landslide in Zhenxiong is established. With the model, this region is zoned by the distribution of risk of landslide.
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Received: 02 September 2014
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