【摘要】 为了建立地质灾害的危险性评价指标体系,提高区域地质灾害灾情评估研究的现代化水平和实际操作效率,为区域地质环境管理和地质灾害评估的信息化提供参考.以宁夏西吉县为研究区,将先进的GIS技术应用于区域地质灾害灾情评估,全面考虑了滑坡灾害危险性及构成危险性各因素的相似性与差异性,从而确定了合理的黄土地区滑坡危险性评价指标.更多还原

【Abstract】 In other to establish a risk assessment index-system geological hazards,promote the level and efficiency of regional geological hazards assessment,and afford a reference for regional geology environment management and informationization of geological hazards assessment,Xiji county was choose to study.By using advanced GIS technology,weighting the risk of landslide hazards,and analyzing the similarity and difference among landslide hazards factors,the risk assessment index-system of region loess landslides was established.更多还原