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Centennial-scale process activity in a complex landslide body in the Qilian Mountains, northeast Tibetan Plateau, China
Zhang, Y (Zhang, Yong)1,2; Stoffel, M (Stoffel, Markus)3,4,5; Liang, E (Liang, Eryuan)2,6; Guillet, S (Guillet, Sebastien)4; Shao, XM (Shao, Xuemei)1,2
Source PublicationCATENA
2019
Volume179Issue:0Pages:29-38
DOI10.1016/j.catena.2019.03.036
Abstract

Mass movements in China typically encompass landslides, rockfalls, and debris flows, and these processes affect almost 70% of all mountain areas of China. An improved understanding of geomorphic process dynamics and their drivers and process histories are important prerequisites for a proper assessment and a sustainable management of mountain hazards. Tree rings have on varied occasions proven to be a reliable tool for the acquisition of data on past mountain hazards. Here we present the first reconstruction of past landslide activity on a slope in the Qilian Mountains, northeast Tibetan Plateau, China. To this end, a total of 543 Qilian juniper (Sabina przewalskii Kom.) samples were selected from 239 trees growing on or next to a complex landslide body, with the aim to reconstruct past landslide histories at the site. The dataset of disturbed trees was complemented with 174 increment cores from 84 reference Qilian juniper trees growing on three adjacent, yet undisturbed sites. Based on the dating of the samples and the interpretation of growth disturbances (GD) in the tree-ring series of affected trees, we provide the first reconstruction of past landslides as retrieved from a dendrogeomorphic record covering more than a millennium (956-2011 CE). Results show that the first detectable GD occurred as early as in 1042 CE, followed by seven major landslide reccurrences in 1703, 1816, 1848, 1863, 1913, 1970, and 1982. Comparison between our landslide record and a dendroclimatic precipitation reconstruction points to the crucial role of major, longer-term wet precipitation anomalies on landslide occurrence.

Subject AreaGeosciences
WOS IDWOS:000468716800004
Language英语
Indexed BySCI
KeywordMagnitude-frequency Relationships Dendrogeomorphic Time-series Debris-flow Activity Tree-ring Record Rockfall Activity Climate-change Mass Movements Larix-decidua Fire Scars Reconstruction
WOS Research AreaGeology ; Agriculture ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
Cooperation Status国际
ISSN0341-8162
Department高寒生态重点实验室
URL查看原文
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9221
Collection图书馆
Corresponding AuthorZhang, Y (Zhang, Yong)
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China;
2.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
3.Univ Geneva, Dept Earth Sci, Dendrolab Ch, Rue Maraichers 13, CH-1205 Geneva, Switzerland;
4.Univ Geneva, Inst Environm Sci, Climate Change Impacts & Risks Anthropocene C CIA, Blvd Carl Vogt 66, CH-1205 Geneva, Switzerland;
5.Univ Geneva, Dept FA Forel Environm & Aquat Sci, Blvd Carl Vogt 66, CH-1205 Geneva, Switzerland;
6.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Key Lab Alpine Ecol, Beijing 100101, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, Y ,Stoffel, M ,Liang, E ,et al. Centennial-scale process activity in a complex landslide body in the Qilian Mountains, northeast Tibetan Plateau, China[J]. CATENA,2019,179(0):29-38.
APA Zhang, Y ,Stoffel, M ,Liang, E ,Guillet, S ,&Shao, XM .(2019).Centennial-scale process activity in a complex landslide body in the Qilian Mountains, northeast Tibetan Plateau, China.CATENA,179(0),29-38.
MLA Zhang, Y ,et al."Centennial-scale process activity in a complex landslide body in the Qilian Mountains, northeast Tibetan Plateau, China".CATENA 179.0(2019):29-38.
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