辽宁绥中县地质灾害发育特征及成因分析

FEATURES AND GENESIS OF THE GEOLOGIC HAZARD IN SUIZHONG COUNTY,LIAONING PROVINCE

绥中县发育有不稳定斜坡(潜在危岩体崩塌、滑塌)、泥石流和海水入侵等三种主要地质灾害类型。地质灾害的分布在时间、空间上都有一定的规律,主要与地形地貌、地层岩性、人类的工程活动等因素有关。通过对该县地质灾害形成条件及影响因素的分析认为,境内地质灾害的形成和发展与地质环境固有条件密不可分,是地质灾害的先决基础条件,人类工程活动是加剧和诱发地质灾害的必然结果。

Based on the field survey and data analysis, the paper discusses the features of the geologic hazard in Suizhong County. Three main geologic hazard occurred in the county, unsteady slope, debris flow and seawater intrusion. The occurrence of the geologic hazard is relative to the landform, stratum lithology and human engineering activities, along with some spatial rules. The forming conditions and influencing factor have been analyzed in the paper. It is concluded that the forming and development of the geologic hazard has close relations to the geologic environment, which is the precondition for the geologic hazard, while human engineering activities induce and intensify the geologic hazard.