[1]卢佳燕,李为乐,刘刚,等.米林震后地质灾害空间分布特征及易发性分析[J].自然灾害学报,2019,28(02):183-190.[doi:10.13577/j.jnd.2019.0220]
 LU Jiayan,LI Weile,LIU Gang,et al.Spatial distribution and susceptibility analysis of geological disasters triggered by the Milinearthquake[J].,2019,28(02):183-190.[doi:10.13577/j.jnd.2019.0220]
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米林震后地质灾害空间分布特征及易发性分析
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
28
期数:
2019年02期
页码:
183-190
栏目:
出版日期:
2019-04-28

文章信息/Info

Title:
Spatial distribution and susceptibility analysis of geological disasters triggered by the Milinearthquake
作者:
卢佳燕2 李为乐1 刘刚12 何敬2 杨超1 龙雯2
1. 地质灾害防治与地质环境保护国家重点实验室(成都理工大学), 四川 成都 610059;
2. 成都理工大学 地球科学学院, 四川 成都 610059
Author(s):
LU Jiayan2 LI Weile1 LIU Gang12 HE Jing2 YANG Chao1 LONG Wen2
1. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection(Chengdu University of Technology), Chengdu 610059, China;
2. College of Earth Sciences, Chengdu University of Technology, Chengdu 610059, China
关键词:
米林地震地质灾害易发性分析层次分析法GIS
Keywords:
Milin Earthquakegeological disasterssusceptibility analysisanalytic hierarchy processGIS
分类号:
X43;P315.9
DOI:
10.13577/j.jnd.2019.0220
摘要:
2017年11月18日西藏米林发生MS6.9级强震并引发严重的次生地质灾害。为研究其地质灾害的空间分布规律,利用遥感技术提取该区域的滑坡、崩塌等灾害信息。在此基础上,引入高程、坡度、坡向、地层岩性、水系和断层等六种地震触发的地质灾害影响因素,并利用层次分析法(AHP)确定各影响因素在地质灾害易发性评价中所占权重,得到了研究区地质灾害易发性空间分布图。结果表明,该研究区地质灾害总面积达到32.77 km2,并以中小浅层滑坡和崩塌为主,且55.6%的地质灾害位于极易发区。
Abstract:
A strong earthquake occurred in Milin, Tibet in November 18, 2017, MS 6.9, which caused serious secondary geological disasters. In order to study the spatial distribution law of geological hazards, remote sensing technology was used to extract landslide and collapse information in this area. On this basis, the influence factors of geological disasters triggered by six kinds of earthquake, such as elevation, slope, slope, lithology, water system and fault, are introduced, and the weight of the influence factors in the vulnerability assessment of geological disasters is determined by the analytic hierarchy process (AHP), and the spatial distribution map of the ground quality disaster is obtained. The results show that the total area of geological hazards in this study area is 32.77 km2, and the primary and small shallow landslides and landslides are mainly in the study area, and 55.6% of the geological disasters are located in the extremely prone areas.

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备注/Memo

备注/Memo:
收稿日期:2018-07-22;改回日期:2018-08-02。
基金项目:国家自然科学基金项目(41602355,41401434,41871303);地质灾害防治与地质环境保护国家重点实验室自主研究课题(SKLGP2018Z010)
作者简介:卢佳燕(1994-),女,硕士研究生,主要从事遥感影像解译、地质灾害评价及地理信息系统等方面的研究.E-mail:lujiayan2@sina.com
通讯作者:刘刚(1986-),男,副教授,主要从事地理空间分析与建模、地震时空数据分析、地质灾害分析、遥感影像解译等方面的研究.E-mail:liuganggis@sina.com
更新日期/Last Update: 1900-01-01