The 12 May Wenchuan earthquake-induced landslide lakes: distribution and preliminary risk evaluation
Cui, Peng1,2; Zhu, Ying-yan1,2; Han, Yong-shun3; Chen, Xiao-qing1,2; Zhuang, Jian-qi1,2
通讯作者Peng Cui
2009-09-01
发表期刊LANDSLIDES
ISSN1612-510X
卷号6期号:3页码:209-223
文章类型Article
摘要The Wenchuan earthquake, measured at M (s) 8.0 according to the China Earthquake Administration, occurred at 14:28 on 12 May 2008 in the Sichuan Province of China. It brought overwhelming destruction to eight provinces and cities. Landslides and rock avalanches triggered by the earthquake produced 257 landslide lakes which were distributed along the fault rupture zone and river channels. The authors traveled to the disaster zone immediately after the earthquake to examine some of the features of the debris dams and performed a quick evaluation of the potential for outburst of earthquake-induced landslide lakes for the purpose of disaster relief. The preliminary analysis indicated that the landslide lakes could be classified as those exhibiting extremely high risk, medium risk, and low risk according to field observations and remote sensing, to determine material composition, dam structure, dam height, maximum water storage capacity, and size of the population potentially affected area. The failure risk of 21 debris dams were evaluated as follows: one dam with an extremely high danger risk, seven dams with a high danger, five dams with a medium danger, and eight dams of low danger. More concern was given to the Tangjiashan Lake and different scenarios for the potential sudden failure of its dam were assessed. The risk evaluation result was accepted in full, by the earthquake disaster relief office. A successful emergency dam treatment for risk reduction was planned, based on our assessments, and these measures were quickly carried out. According to this research, the earthquake destabilized the surrounding mountains, resulting in a prolonged geohazard for the area. Landslides and debris flows will continue to develop for at least 5 to 10 years after the Wenchuan earthquake and will produce additional dammed lakes. Recommendations and plans for earthquake-landslide lake mitigation were proposed, based on past successful practices.
关键词Wenchuan Earthquake Landslide Lake Flood Outburst Risk Evaluation
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1007/s10346-009-0160-9
研究领域[WOS]Engineering ; Geology
收录类别SCI
关键词[WOS]DAMS ; RIVER ; CHINA
语种英语
WOS类目Engineering, Geological ; Geosciences, Multidisciplinary
WOS记录号WOS:000269858800004
项目资助者Chinese Academy of Sciences((2008CB425802 ; KZCX2-YW-302)
引用统计
被引频次:137[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imde.ac.cn/handle/131551/2131
专题成都山地所知识仓储(2009年以前)
山地灾害与地表过程重点实验室
作者单位1.CAS, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
2.CAS, Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Sichuan, Peoples R China
3.Hunan Univ Sci & Technol, Xiangtan, Peoples R China
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Cui, Peng,Zhu, Ying-yan,Han, Yong-shun,et al. The 12 May Wenchuan earthquake-induced landslide lakes: distribution and preliminary risk evaluation[J]. LANDSLIDES,2009,6(3):209-223.
APA Cui, Peng,Zhu, Ying-yan,Han, Yong-shun,Chen, Xiao-qing,&Zhuang, Jian-qi.(2009).The 12 May Wenchuan earthquake-induced landslide lakes: distribution and preliminary risk evaluation.LANDSLIDES,6(3),209-223.
MLA Cui, Peng,et al."The 12 May Wenchuan earthquake-induced landslide lakes: distribution and preliminary risk evaluation".LANDSLIDES 6.3(2009):209-223.
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