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山东省栖霞市泥石流灾害的成生环境及危险性趋势分区评价 被引量:1

Zonal Evaluation on Formation Environment and Dangerous Trend of Debris Flow in Qixia City of Shandong Province
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摘要 栖霞市是地质灾害多发区,主要地质灾害有泥石流、崩塌和滑坡,尤其是泥石流灾害频发,其形成主要受自然地理环境、地质条件和人类经济活动影响。因而在地质灾害调查成果基础上,将泥石流的发育频度、面积密度和规模进行了分级,采用袭扰系数法对区内泥石流灾害的危险性趋势进行了分区评价,确定了泥石流灾害的高危区、中危区和低危区,为泥石流灾害防治提供了科学依据。 Qixia City is one of the regions where geological disasters such as landslide, and mudflow occur frequently. The formation of mudflow is mainly controlled by geographical environment, geological condition and human being economic activities. Basing on the geological disaster data, the development frequency, area consistency and scale of debris flow are classified, and the method of distributing ratio is used to estimate mudflow. The high-dangerous zone, midst-dangerous zone and low dangerous zone are ensured, which provide a scientific bases for preventing rock-flow.
出处 《地球科学与环境学报》 CAS 2005年第4期24-27,共4页 Journal of Earth Sciences and Environment
关键词 泥石流 成生环境 袭扰系数法 预测分区 地质灾害 栖霞市 山东 debris flow environment of formation method of distributing ratio determining of subarea geological disasters Qixia City Shandong Province
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