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The mechanisms of complex morphological features of a prehistorical landslide on the eastern margin of the Qinghai-Tibetan Plateau

文献类型：期刊论文

作者Zhao, Bo1; Zhao, Xun3; Zeng, Lu1; Wang, Shiyuan2; Du, Yuchen1
刊名BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
出版日期2021-02-06
页码DOI: 10.1007/s10064-021-02114-8
关键词Luanshibao (LSB) landslide Complex morphological units Two-stage failure Failure age Earthquake
ISSN号1435-9529
DOI10.1007/s10064-021-02114-8
产权排序1
通讯作者Zhao, Bo(zhaobo1989@imde.ac.cn)
文献子类Article; Early Access
英文摘要Studying the morphological features and triggers of prehistorical giant landslides provides important information about landslide kinematics and dynamics. This study investigates a typical prehistorical giant landslide: the Luanshibao (LSB) landslide on the eastern margin of the Qinghai-Tibetan Plateau. The LSB landslide is a typical long-runout (H/L = 0.207) giant granite landslide detached from a narrow ridge as a wedge failure cut by conjugate fissures that are widespread in the mountain. Two-stage failure produced the current deposit landforms: the first failure occurred at 3675 +/- 25 similar to 3580 +/- 25 a BP; the second failure occurred at 2180 +/- 49 similar to 2005 +/- 25 a BP. These two failures occurred during ancient seismic episodes, and earthquakes were potentially the triggers. The second failure reworked local morphological units of deposits forming the sliding zone (multistage platforms and local scarps), local landslide zone (3 local landslides), and deposit zone (transverse ridges, cross ridges, oblique ridges, and hummocks) due to different mechanical states.
资助项目National Natural Science Foundation of China[42007273] ; China Postdoctoral Science Foundation[2020M673292] ; Special Assistant Researcher Foundation of Chinese Academy of Sciences the CAS Light of West China Program[Y9R2140145] ; Youth Fund of Institute of Mountain Hazards and Environment, Chinese Academy of Sciences[Y9K2100100]
WOS研究方向Engineering ; Geology
语种英语
WOS记录号WOS:000615544800001
出版者SPRINGER HEIDELBERG
资助机构National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; Special Assistant Researcher Foundation of Chinese Academy of Sciences the CAS Light of West China Program ; Youth Fund of Institute of Mountain Hazards and Environment, Chinese Academy of Sciences
源URL[http://ir.imde.ac.cn/handle/131551/55905]  
专题成都山地灾害与环境研究所_山地灾害与地表过程重点实验室
通讯作者Zhao, Bo
作者单位1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Peoples R China
2.Sichuan Earthquake Agcy, Chengdu 610041, Sichuan, Peoples R China
3.Chengdu Univ Technol, State Key Lab Geohazard Prevent & Geoenvironm Pro, Chengdu 610059, Peoples R China
推荐引用方式
GB/T 7714		 Zhao, Bo,Zhao, Xun,Zeng, Lu,et al. The mechanisms of complex morphological features of a prehistorical landslide on the eastern margin of the Qinghai-Tibetan Plateau[J]. BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,2021:DOI: 10.1007/s10064-021-02114-8.
APA Zhao, Bo,Zhao, Xun,Zeng, Lu,Wang, Shiyuan,&Du, Yuchen.(2021).The mechanisms of complex morphological features of a prehistorical landslide on the eastern margin of the Qinghai-Tibetan Plateau.BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,DOI: 10.1007/s10064-021-02114-8.
MLA Zhao, Bo,et al."The mechanisms of complex morphological features of a prehistorical landslide on the eastern margin of the Qinghai-Tibetan Plateau".BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT (2021):DOI: 10.1007/s10064-021-02114-8.

入库方式： OAI收割

来源：成都山地灾害与环境研究所

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