Landslide Susceptibility Assessment at the Xiushui Area (China) Using Frequency Ratio Model
作者： Haoyuan Hong , Chong Xu , Dieu Tien Bui
DOI: 10.1016/J.PROEPS.2015.08.065
关键词:
摘要: Abstract Landslide hazards are one of the most dangerous natural disasters all over world. susceptibility assessment is useful for land use planners, and it can give government some guide management. In current study, Frequency Ratio model combined with geographic information system used in Xiushui area. Firstly, landslide inventory map area come from interpretation satellite images field survey data. Then 214 (75%) landslides were randomly selected as sample data, 72 (25%) verification Secondly, relationship between influencing factors was described 10 applied including slope, slope elevation, TWI, SPI, LS, distance to river, fault, lithology map, rainfall. By using these factors, corresponding parameters FR simulation selected. The results show that high risk very areas present/appears 48.2% region. course validation, validated ROC curve. AUC ratio 80.5%. Therefore, index valuable decision maker prone
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