摘要
滑坡灾害空间区划研究是当前国内外滑坡领域的重要研究方向之一。虽然滑坡灾害的发生具有随机性的特点 ,但其发生的区域性和重复性特点则是区域滑坡分布与发生的总体规律。从减灾与土地规划的角度 ,开展滑坡灾害空间区划研究具有十分重要的理论和实际意义。文中重点探讨了滑坡灾害空间区划的理论体系、灾害风险评估的基本术语定义及GIS制图的基本原理 ,采用MAPGIS软件为平台及其二次开发的滑坡灾害信息分析系统 ,在中国滑坡重灾害的汉江流域开展了灾害危险性空间区划应用研究。
Landslide hazard zonation is one of the main considerations in the field of landslide research in the world. Random reflects one aspect of landslide generation, but regional regularities and repetition of individual landslide phenomenon dominate the distribution of landslides on a regional scale. It is of not only theoretical significance but also practical importance to study spatial hazard zonation in the propose of hazard reduction and land planning. This paper theoretically discusses the fundamentals of landslide hazard zonation, definition of terms used in risk assessment, and mapping network by GIS. Based on the platform of software MAPGIS and further development, Information Analysis System of Landslide Hazard (IASLH) has been developed to illustrate hazard zonation in Han River valley which was heavily threatened.
出处
《地学前缘》
EI
CAS
CSCD
2001年第2期279-284,共6页
Earth Science Frontiers
基金
国土资源部环境司资助!项目"全国地质灾害风险区划"
湖北省废物地质处置与环境保护重点实验室开发基金
