基于信息量法的霍山县地质灾害易发性评价

Geological Hazard Susceptibility Evaluation in Huoshan County Based on Information Content Method

以安徽省霍山县为研究区288个崩塌和滑坡点样本数据,选取地面高程、地形坡度、地形起伏度、工程地质岩组、地质构造、植被覆盖、水文因素7个影响因子进行地质灾害易发性评价:极高和高易发区679.78km^(2),分别占4.27%和29.01%,高易发区和较高易发区灾害点分别占8.3%和37.5%。易发性评价成果,供霍山县地质灾害防治、城市规划及同仁参考。

Taking the sample data of 288 collapse and landslide points in Huoshan County of Anhui province as anexample,seven influencing factors including ground elevation,topographic slope,topographic relief,engineering geological rock group,geological structure,vegetation cover and hydrological factors were selected to evaluate the vulnerability of geological disasters.The extremely high and high prone areas were 679.78km^(2),accounting for 4.27%and 29.01%,respectively,and the disaster points in the high and high prone areas accounted for 8.3%and 37.5%,respectively.The results of susceptibility evaluation can be used as reference for geological disaster prevention,urban planning and colleagues in Huoshan County.