[1]邱锦安,邓志德,刘燕辉,等.集镇地质灾害易发性分区研究——以梅州市大埔县银江镇为例[J].华南地震,2023,(04):80-86.[doi:10.13512/j.hndz.2023.04.11]
 QIU Jinan,DENG Zhide,LIU Yanhui,et al.Study on Susceptibility Zoning of Geological Hazards in Town Area—Taking Yinjiang Town,Dapu County, Meizhou City as an Example[J].,2023,(04):80-86.[doi:10.13512/j.hndz.2023.04.11]
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集镇地质灾害易发性分区研究——以梅州市大埔县银江镇为例()
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华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年04期
页码:
80-86
栏目:
地震与地质灾害
出版日期:
2023-12-30

文章信息/Info

Title:
Study on Susceptibility Zoning of Geological Hazards in Town Area—Taking Yinjiang Town,Dapu County, Meizhou City as an Example
文章编号:
1001-8662(2023)04-0080-07
作者:
邱锦安邓志德刘燕辉金炯球张 杰童纪伟谢润培梅伟标黄宗万
广东省地质灾害应急抢险技术中心,广州 510080
Author(s):
QIU Jin′anDENG ZhideLIU YanhuiJIN JiongqiuZHANG JieTONG JiweiXIE RunpeiMEI WeibiaoHUANG Zongwan
Guangdong Geological Disaster Emergency Rescue Technology Center , Guangzhou 510080, China
关键词:
地质灾害易发性综合指数法集镇粤东地区
Keywords:
Geological hazard Susceptibility Comprehensive index method Town Eastern Guangdong
分类号:
P694
DOI:
10.13512/j.hndz.2023.04.11
文献标志码:
A
摘要:
基于梅州市大埔县银江镇的地质灾害勘查资料,结合广东典型山地丘陵地区的地质环境条件,选取地质灾害点的点密度、面密度、体密度、坡度、岩土类型、断裂密度、年降雨量和人类工程活动强弱情况等8个因子,建立镇域地质灾害易发性分区的指标体系。在GIS平台上应用综合指数法,计算出833个基本评价单元(0.5km×0.5km)的地质灾害综合易发性指数,并据此进行了银江镇地质灾害易发性区划。研究发现:银江镇地质灾害分区以中、高易发区为主,分别占总面积的36.63%和36.67%,其中高易发区灾害点数量占到总数的74.08%。研究结果可以为合理减少银江镇的地质灾害危害性、风险性提供基础的地质依据。
Abstract:
Based on the geological hazard exploration data of Yinjiang Town, Dabu County, Meizhou City, combined with the geological environment conditions of typical mountainous and hilly areas in Guangdong Province, eight factors,such as point density,area density,volume density,slope,rock and soil type,fracture density, annual rainfall and human engineering activity intensity of geological hazard points are selected to establish the index system of geological hazard susceptibility zoning in towns. The comprehensive susceptibility index of geological hazards of 833 basic evaluation units(0.5 km×0.5 km)is calculated by using the comprehensive index method on the GIS platform, and the geological hazard susceptibility zoning of Yinjiang Town is carried out accordingly. The research results show that the geological hazard zoning in Yinjiang Town are mainly medium and high susceptibility areas, accounting for 36.63% and 36.67% of the total area respectively, and the number of disaster points in high susceptibility areas accounts for 74.08% of the total. The research results can provide a basic geological basis for reasonably reducing the harmfulness and risk of geological hazards in Yinjiang Town.

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备注/Memo

备注/Memo:
收稿日期:2023-05-26
基金项目:广东省大埔县银江镇地质灾害勘查(1:10000)项目(0835-200Z22802231);全省地质灾害风险普查(1:25万)项目(0835-220Z52802171);广东省地质灾害应急抢险技术能力提升研究项目(0809-2140GDC35071);广东省重大突发地质灾害应急监测预警与处置技术研究项目(2022025)联合资助。
作者简介:邱锦安(1985-),男,博士,高级工程师,主要从事地质灾害防治与应急研究工作。
E-mail:49
更新日期/Last Update: 2023-12-30