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Temperature signal instability of tree-ring delta C-13 chronology in the northeastern Qinghai-Tibetan Plateau
Wang, Wenzhi1,2; Liu, Xiaohong1; Xu, Guobao1; Zeng, Xiaomin1,3; Wu, Guoju1,3; Zhang, Xuanwen1,3; Qin, Dahe1
Corresponding AuthorLiu, Xiaohong
2016
Source PublicationGLOBAL AND PLANETARY CHANGE
ISSN0921-8181
EISSN1872-6364
Volume139Pages:165-172
SubtypeArticle
AbstractTree ring delta C-13 as a climate proxy is widely used for palaeoclimate research, however, its temporal stability response to the climate change remains unclear under more than one limited factors on tree growth. Here, we used a millennium tree-ring delta C-13 chronology combining two annual-resolution delta C-13 chronologies since 1800 from long-lived Qilian juniper (Sabina przewalskii) to assess its instability of the climate signal in the northeastern Qinghai-Tibetan Plateau. Tree-ring delta C-13 chronologies were strongly correlated with the regional mean April to August temperature from 1956 to 2008, but the associations were absent within the period 1901 to 1955 values in the CRU TS dataset. Comparison of the millennium-long delta C-13 series with reconstructed Asian temperatures also demonstrated that the delta C-13 chronology exhibited climate signal temporal instability. Substantial oscillations were revealed using a frequency-dependent analysis and 51-year running correlation analysis from the millennium-long tree-ring delta C-13 and delta O-18 series. Dual-isotope approach indicated that stomatal limitations created a statistical significant positive correlation between tree-ring delta C-13 and delta O-18, but photosynthetic rate may be dominant when the correlations were not significant. Our results suggest that tree-ring delta C-13 series in the northeastern Qinghai-Tibetan Plateau is responded instability to temperature variations in the past 1000 years. (C) 2016 Elsevier B.V. All rights reserved.
KeywordTree-ring Delta C-13 Temperature Instability Dual-isotope Approach Qilian Juniper Northeastern Qinghai-tibetan Plateau
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.gloplacha.2016.02.006
WOS Subject ExtendedPhysical Geography ; Geology
Indexed BySCI
WOS KeywordMIDDLE QILIAN MOUNTAINS ; OXYGEN-ISOTOPE RATIO ; STABLE CARBON ; CLIMATE-CHANGE ; STOMATAL CONDUCTANCE ; CONCEPTUAL-MODEL ; CHINA ; DELTA-O-18 ; RECORD ; RECONSTRUCTION
Language英语
Quartile3区
TOP
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000374626700014
Funding OrganizationNational Natural Science Foundation of China(41571196 ; State Key Laboratory of Cryospheric Sciences(SKLCS-ZZ-2015-01-12 ; CAS "Light of West China" Program ; key laboratory of mountain surface processes and ecological regulation, Chinese Academy of Sciences ; 41121001 ; SKLCS-OP-2016-07) ; 41171167)
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17384
Collection山地灾害与地表过程重点实验室
山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, State Key Lab Cryospher Sci, Cold & Arid Reg Environm & Engn Res Inst, 320 Donggang West Rd, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Environm Evolut & Regulat, Chengdu 610014, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Wenzhi,Liu, Xiaohong,Xu, Guobao,et al. Temperature signal instability of tree-ring delta C-13 chronology in the northeastern Qinghai-Tibetan Plateau[J]. GLOBAL AND PLANETARY CHANGE,2016,139:165-172.
APA Wang, Wenzhi.,Liu, Xiaohong.,Xu, Guobao.,Zeng, Xiaomin.,Wu, Guoju.,...&Qin, Dahe.(2016).Temperature signal instability of tree-ring delta C-13 chronology in the northeastern Qinghai-Tibetan Plateau.GLOBAL AND PLANETARY CHANGE,139,165-172.
MLA Wang, Wenzhi,et al."Temperature signal instability of tree-ring delta C-13 chronology in the northeastern Qinghai-Tibetan Plateau".GLOBAL AND PLANETARY CHANGE 139(2016):165-172.
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