广东省普宁市地质灾害风险评价
Geological hazard risk assessment in Puning City,Guangdong Province
曾裕源 1叶斌 2陈泽生1
作者信息
- 1. 广东省地质局第二地质大队,广东 汕头 515000
- 2. 广东省粤东地质工程勘察有限公司,广东 汕头 515000
- 折叠
摘要
地质灾害风险调查工作的最终目的是围绕"以人为本"方针的风险管控.在充分分析普宁市地质灾害发育特征及分布规律的基础上,利用ArcGIS平台,采用综合指数法,对普宁市地质灾害易发性、危险性和易损性进行了评价.结果表明,普宁市可划分为地质灾害高、中、低三级风险区,分别占全区面积的 15.45%、83.16%、1.39%,为普宁市城镇建设规划、防灾减灾体系构建及地质灾害风险管控等工作提供科学依据.
Abstract
The ultimate goal of geological hazard risk investigation is to focus on the risk management and control of"people-oriented"policy.On the basis of fully analyzing the development characteristics and distribution law of geological hazards in Puning City,the vulnerability,danger and vulnerability of geological hazards in Puning City were evaluated by using the ArcGIS platform and the comprehensive index method.The results show that Puning City can be divided into high,medium and low risk areas,accounting for 15.45%,83.16%and 1.39%of the total area,which provides a scientific basis for urban planning construction,disaster prevention and mitigation system,and geological disaster risk management and control in Puning City.
关键词
风险评价/地质灾害/综合指数法/普宁市Key words
risk assessment/geological hazards/comprehensive index method/Puning City引用本文复制引用
出版年
2024
NETL
NSTL
万方数据