基于逻辑回归法的滑坡危险度区划研究  

Zonation of Landslide Hazards Based on Logistic Regression

作　　者：王志旺[1] 廖勇龙[2] 李端有[2] 

机构地区：[1]中国地质大学地质过程与矿产资源国家重点实验室,武汉430074 [2]长江科学院水利部岩土力学与工程重点实验室,武汉430010

出　　处：《地下空间与工程学报》2006年第B08期1451-1454,共4页Chinese Journal of Underground Space and Engineering

基　　金：科技部社会公益研究专项资金面上项目(2002DIB10044)

摘　　要：滑坡危险度区划能降低由于滑坡所造成的危害,越来越受到重视。结合长江三峡库区秭归-巴东-带滑坡灾害发生的环境和基本特征,选取地层岩性、断裂构造、坡度、坡向、距离河流远近、沟壑密度、高程、植被条件等作为研究区滑坡灾害危险度分区评价因子,利用GIS的空间分析功能将各因素图件栅格化为400m×400m的单元共7461个。采用逻辑回归方法对研究区滑坡灾害进行了危险度分区定量评价,评价结果与该区现有滑坡的分布情况比较吻合。The study on hazard area zoning is a very useful method to reduce the harm of landslide. Based on the environment and characters of landslides in the region between Zigui and Badong in the TGP＇s reservoir area, the main factors including lithology, fault, slope angle, slope aspect, elevation , drainage network, distance to fiver and distribution of plant are derived for analyzing zonation of the landslide hazards in the studied area. Using the spatial analysis technology of GIS, each map of factors is divided into 7461 units measured at 400 m × 400 m. The statistic method called logistic regression has been used to create a landslide probability prediction map for the studied area. The research result is very similar to the actual field conditions.

关 键 词：滑坡 危险度区划 地理信息系统 逻辑回归 

分 类 号：TV698.1[水利工程—水利水电工程]