IMHE OpenIR  > 山地灾害与地表过程重点实验室
Earthquake-triggered landslides affecting a UNESCO Natural Site: the 2017 Jiuzhaigou Earthquake in the World National Park, China
Wang Jiao1,2,3; Jin Wen1,2,3; Cui Yi-fei4; Zhang Wei-feng1,2; Wu Chun-hao1,2,3; Pasuto Alessandro5
Corresponding AuthorCui Yifei
2018
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume15Issue:7Pages:1412-1428
SubtypeArticle
Contribution Rank1
AbstractOn August 8th, 2017, an Ms 7.0 magnitude earthquake occurred in Jiuzhaigou County, northern Sichuan Province, China. The Jiuzhaigou Valley World National Park was the most affected area due to the epicentre being located in the scenic area of the park. Understanding the distribution characteristics of landslides triggered by earthquakes to help protect the natural heritage sites in Jiuzhaigou Valley remains a scientific challenge. In this study, a relatively complete inventory of the coseismic landslides triggered by the earthquake was compiled through the interpretation of high-resolution images combined with a field investigation. The results indicate that coseismic landslides not only are concentrated in Rize Gulley, Danzu Gully and Zezhawa Gully in the study area but also occur in the front part of Shuzheng Gully along the road network (from the entrance of Jiuzhaigou Valley to Heye Village). The landslides predominantly occur on the east- and southeast-facing slopes in the study area, which is a result of the integrated action of the valley direction and fault movement direction. The back-slope effect and the slope structure caused the difference in coseismic landslide distribution within the three gullies (Danzu Gully, Rize Gully, and Zezhawa Gully) near the inferred fault. In addition, the topographic position index was used to analyse the impact of microlandforms on earthquake-triggered landslides by considering the effect of the slope angle. The study results reveal a higher concentration of landslides in the slope position class of the middle slope (30A degrees-50A degrees) in Jiuzhaigou Valley. These findings can provide scientific guidance for the protection of natural heritage sites and post-disaster reconstruction in Jiuzhaigou Valley.
KeywordEarthquake-triggered landslides Spatial distribution Landslide area ratio Slope position
DOI10.1007/s11629-018-4823-7
Indexed BySCI
Language英语
WOS IDWOS:000438468900003
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/23470
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 Yi-fei
Affiliation1.Key Laboratory of Mountain Hazards and Earth Surface Process, Chinese Academy of Sciences; Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
2.University of Chinese Academy of Sciences, Beijing 100049, China;
3.Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Hong Kong, China;
4.Sino-Italian Laboratory on Geological and Hydrological Hazards, Chengdu 610041, China;
5.National Research Council of Italy-Research Institute for Geo-Hydrological Protection, Padova, Italy
First 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
Wang Jiao,Jin Wen,Cui Yi-fei,et al. Earthquake-triggered landslides affecting a UNESCO Natural Site: the 2017 Jiuzhaigou Earthquake in the World National Park, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2018,15(7):1412-1428.
APA Wang Jiao,Jin Wen,Cui Yi-fei,Zhang Wei-feng,Wu Chun-hao,&Pasuto Alessandro.(2018).Earthquake-triggered landslides affecting a UNESCO Natural Site: the 2017 Jiuzhaigou Earthquake in the World National Park, China.JOURNAL OF MOUNTAIN SCIENCE,15(7),1412-1428.
MLA Wang Jiao,et al."Earthquake-triggered landslides affecting a UNESCO Natural Site: the 2017 Jiuzhaigou Earthquake in the World National Park, China".JOURNAL OF MOUNTAIN SCIENCE 15.7(2018):1412-1428.
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