Regional Landslide Hazard Assessment Based on Rough Set
With rough set theory, the study area is divided into regular grid cells, landslide hazard assessment indexes system and geohazards knowledge representation system and decision table in study area are disigned. On this basis, specific algorithms for assessment indexes system optimization and weights confirmation are constructed. So that landslide hazard quantitative scores are calculated,and landslide hazard gradation is classified,that is,high hazard,mediun hazard,low hazard and very low hazard four grades.To achieve visualization of assessment results.GIS is used to accomplish zoning mapping. Comparison by information content model and field survey, the results of assessment are verified correct.
geologic hazard landslide hazard assessment rough set GIS
Liu Yanhua Ye Guohua Chen Weiqing
Faculty of Resource and Environmental Sciences Guangxi Teachers College Nanning,China Faculty of Resource and Environmental Sciences Guangxi Teachers College Nanning, China College of Civil and Architectural Engineering Guangxi University Nanning, China
国际会议
厦门
英文
795-799
2010-10-29（万方平台首次上网日期，不代表论文的发表时间）