【摘 要】
：
根据海城市地质环境背景和地质灾害发育特征,选取地形、地貌、岩性、地质构造、年降水量和工程活动作为评价因子,采用基于GIS的层次分析模糊评判法对该市进行地质灾害危险性
【机 构】
：
辽宁省地质环境监测总站,辽宁省第三地质大队,
论文部分内容阅读
根据海城市地质环境背景和地质灾害发育特征,选取地形、地貌、岩性、地质构造、年降水量和工程活动作为评价因子,采用基于GIS的层次分析模糊评判法对该市进行地质灾害危险性分区。结果显示,地质灾害低风险区分布最广,其次依次为中风险区、高风险区和极高风险区。
According to the geo-environment background and geological disasters in Haicheng City, the topography, geomorphology, lithology, geological structure, annual precipitation and engineering activities are selected as evaluation factors. The GIS- Partition. The results show that the lowest risk areas of geological disasters are the most widely distributed, followed by middle risk areas, high risk areas and extremely high risk areas.
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