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Response of tree rings to earthquakes during the past 350 years at Jiuzhaigou in the eastern Tibet
Fan, Jiawei1; Wei, Xiaotong1; Shi, Wei1; Guo, Qiaoqiao1; Zhang, Siqi1; Xu, Hongyan1; Song, Huiming2; Xu, Chenxi3,4; An, Wenling3,4; Jiang, Hanchao1
通讯作者Fan, Jiawei(jwfan@ies.ac.cn) ; Jiang, Hanchao(hcjiang@ies.ac.cn)
2020-08-20
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
卷号731页码:12
摘要Trees growing in the tectonically active and climatically sensitive regions, such as the Tibetan Plateau, frequently suffer damage from strong earthquakes and extreme hydro-climatic events. Spruce trees in the Jiuzhaigou National Park exhibited abrupt periods of growth suppression with durations of 3-9 years, which was demonstrated to have recorded five seismic events during the last 350 years after excluding the climatic impacts. The ring-width reductions occurred immediately after earthquakes in the growing seasons of 1748, 1879 and 2017, and one year later in 1961 when the earthquake occurred after the growing season in 1960. In contrast, seismic signals of the 1976 earthquake were moderated in the tree-ring indices by improved climatic conditions in 1975. The intensity prediction equation and isoseismal modelling results suggested that past earthquakes required a minimum intensity threshold of 6.2-6.8 MMI to significantly impact tree growth, thus indicating a minimum magnitude threshold of M(w)5.3 for near-field (<= 20 km) earthquakes and M(w)7.4 for regional (<= 115 km) earthquakes. These results would greatly improve the dendroseismological reconstruction of past earthquake characteristics and the valid assessment of future probabilities in the eastern Tibet, and help to identify and eliminate seismic signals in the dendroclimatological studies in the hazardous environments. (C) 2020 Elsevier B.V. All rights reserved.
关键词Dendroseismology Dendroclimatology Growth suppression Shaking intensity Hazardous environment Tibetan Plateau
DOI10.1016/j.scitotenv.2020.138714
关键词[WOS]COSEISMIC DEFORMATION ; ESTIMATING LOCATIONS ; INTENSITY ; RECONSTRUCTION ; ATTENUATION ; PLATEAU ; SICHUAN ; CHINA ; ASIA ; PRECIPITATION
收录类别SCI ; SCI
语种英语
资助项目National Key Research and Development Program of China[2017YFA0603400] ; National Natural Science Foundation of China[41702179] ; National Natural Science Foundation of China[41602358] ; Chinese Academy of Sciences (CAS) Pioneer Hundred Talents Program ; special project of the fundamental scientific research of the Institute of Geology, China Earthquake Administration[IGCEA1713]
WOS研究方向Environmental Sciences & Ecology
项目资助者National Key Research and Development Program of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences (CAS) Pioneer Hundred Talents Program ; special project of the fundamental scientific research of the Institute of Geology, China Earthquake Administration
WOS类目Environmental Sciences
WOS记录号WOS:000537419200012
出版者ELSEVIER
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/14860
专题现代环境研究室
通讯作者Fan, Jiawei; Jiang, Hanchao
作者单位1.China Earthquake Adm, State Key Lab Earthquake Dynam, Inst Geol, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, Xian 710061, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
4.CAS Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
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GB/T 7714
Fan, Jiawei,Wei, Xiaotong,Shi, Wei,et al. Response of tree rings to earthquakes during the past 350 years at Jiuzhaigou in the eastern Tibet[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,731:12.
APA Fan, Jiawei.,Wei, Xiaotong.,Shi, Wei.,Guo, Qiaoqiao.,Zhang, Siqi.,...&Jiang, Hanchao.(2020).Response of tree rings to earthquakes during the past 350 years at Jiuzhaigou in the eastern Tibet.SCIENCE OF THE TOTAL ENVIRONMENT,731,12.
MLA Fan, Jiawei,et al."Response of tree rings to earthquakes during the past 350 years at Jiuzhaigou in the eastern Tibet".SCIENCE OF THE TOTAL ENVIRONMENT 731(2020):12.
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