燕子河流域地质灾害发育特征与危险性评价Landslide characteristics and hazard assessment in Yanzi River Basin
叶振南;杨强;李强;张小辉;
摘要(Abstract)：
为分析燕子河流域地质灾害时空分布特征和发育规律,指示人类工程活动、断裂及地层岩性等对崩塌、滑坡的控制作用,基于1:50000地质灾害详细调查数据,,筛选出坡度、坡向、坡高、地层岩性、断裂、植被覆盖、河流侵蚀(干流、支流)、降雨和人类工程活动10个评价因子,基于GIS和信息量模型,进行燕子河流域地质灾害危险性评价研究.结果表明:断裂和河流侵蚀是区内地质灾害发育的关键影响因素,地质灾害高危险区集中分布于燕子河干流、主要支流和公路沿线及断裂密集发育的中北部区域.
关键词(KeyWords)： 燕子河流域;地质灾害;发育特征;信息量;危险性
基金项目(Foundation): 陇南西汉水流域灾害调查（DD20190646）;; 嘉陵江上游燕子河流域地质灾害调查（12120115045501）
作者(Authors): 叶振南;杨强;李强;张小辉;
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