IMHE OpenIR  > 山地灾害与地表过程重点实验室
Assessment of prospective hazards resulting from the 2017 earthquake at the world heritage site Jiuzhaigou Valley, Sichuan, China
Chen, Xiao-qing1,2; Chen, Jian-gang1,3; Cui, Peng1,2; You, Yong1; Hu, Kai-heng1; Yang, Zong-ji1; Zhang, Wei-feng1; Li, Xin-po1; Wu, Yong1
2018-04-01
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume15Issue:4Pages:779-792
Abstract

On August 8, 2017, a Ms = 7.0 magnitude earthquake occurred in the Jiuzhaigou Valley, in Sichuan Province, China (N: 33.20A degrees, E: 103.82A degrees). Jiuzhaigou Valley is an area recognized and listed as a world heritage site by UNESCO in 1992. Data analysis and field survey were conducted on the landslide, collapse, and debris flow gully, to assess the coseismic geological hazards generated by the earthquake using an unmanned aerial vehicle (UAV), remote-sensing imaging, laser range finders, geological radars, and cameras. The results highlighted the occurrence of 13 landslides, 70 collapses, and 25 potential debris flow gullies following the earthquake. The hazards were classified on the basis of their size and the potential property loss attributable to them. Consequently, 14 large-scale hazards, 30 medium-sized hazards, and 64 small hazards accounting for 13%, 28%, and 59% of the total hazards, respectively, were identified. Based on the variation tendency of the geological hazards that ensued in areas affected by the Kanto earthquake (Japan), Chi-chi earthquake (Taiwan China), and Wenchuan earthquake (Sichuan China), the study predicts that, depending on the rain intensity cycle, the duration of geological hazard activities in the Jiuzhaigou Valley may last over ten years and will gradually decrease for the following five to ten years before returning to pre-earthquake levels. Thus, necessary monitoring and early warning systems must be implemented to ensure the safety of residents, workers and tourists during the construction of engineering projects and reopening of scenic sites to the public.

Keyword2017 Jiuzhaigou Earthquake Disaster Risk Geological Hazard Landslide World Heritage Site Jiuzhaigou Valley
DOI10.1007/s11629-017-4785-1
Indexed BySCI
WOS KeywordCatastrophic Debris Flows ; Wenchuan Earthquake ; Landslide ; Classification ; Conservation ; Mitigation ; Rainfall ; Region ; Area
Language英语
Quartile4区
Funding ProjectNational Science Foundation of China[41790432] ; International partnership program of CAS[131551KYSB20160002]
TOP
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000429949900009
Funding OrganizationNational Science Foundation of China ; International partnership program of CAS
PublisherSCIENCE PRESS
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/21492
Collection山地灾害与地表过程重点实验室
山区减灾工程技术研究中心
Corresponding AuthorCui, Peng
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Youth Innovat Promot Assoc, Beijing 100029, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Chen, Xiao-qing,Chen, Jian-gang,Cui, Peng,et al. Assessment of prospective hazards resulting from the 2017 earthquake at the world heritage site Jiuzhaigou Valley, Sichuan, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2018,15(4):779-792.
APA Chen, Xiao-qing.,Chen, Jian-gang.,Cui, Peng.,You, Yong.,Hu, Kai-heng.,...&Wu, Yong.(2018).Assessment of prospective hazards resulting from the 2017 earthquake at the world heritage site Jiuzhaigou Valley, Sichuan, China.JOURNAL OF MOUNTAIN SCIENCE,15(4),779-792.
MLA Chen, Xiao-qing,et al."Assessment of prospective hazards resulting from the 2017 earthquake at the world heritage site Jiuzhaigou Valley, Sichuan, China".JOURNAL OF MOUNTAIN SCIENCE 15.4(2018):779-792.
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