中国地质2012，Vol.39Issue(1)：243-251,9.
RS与GIS支持下的汶川县城周边地质灾害危险性评价
The assessment of geohazard danger in Wenchuan County based on RS and GIS
摘要
Abstract
The assessment of geohazard danger constitutes an important basis for the work of disaster prevention and mitigation. In this paper, the author collected the remote sensing images of IKONOS, topographic maps and field survey data, and extracted the evaluation factors of rock fall and landslide based on remote sensing information extraction technology and GIS Spatial Analysis. Then the factor scores were determined by information method and calculated susceptibility of rock fall and landslide. At last, the new danger calculation method of rock fall and landslide was put forward, and the rock fall hazard zonation map and landslide hazard zonation map were drawn. The results show that the new rock fall and landslide risk assessment method can reflect the risk degree of geological disasters in the study area. The method is feasible and the results are reasonable. This achievement has provided a useful idea for large-scale regional geological hazard study.关键词
汶川/地质灾害/崩塌/滑坡/遥感Key words
Wenchuan/ geohazard/ rock fall/ landslide/ remote sensing分类
天文与地球科学引用本文复制引用
刘汉湖..RS与GIS支持下的汶川县城周边地质灾害危险性评价[J].中国地质,2012,39(1):243-251,9.基金项目
国家自然科学基金项目(41102225)资助. （41102225）
