Zoning methods for landslide hazard degree

摘要

The methods used practically in zoning landslide hazard degree,are summarized that include thecomprehensive factor analyses and index system of bottom factors,the superposition of comprehensive factors,the fuzzy determination of bottom factors,and the superposition of weights of bottom factors. Three primaryproblems are also discussed: the choice of evaluation index,the establishment of weight,and the classificationof hazard degree.