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Late summer temperature reconstruction based on tree-ring density for Sygera Mountain, southeastern Tibetan Plateau
Li, Mingyong1; Duan, Jianping2,3; Wang, Lily4; Zhu, Haifeng5,6
2018-04-01
Source PublicationGLOBAL AND PLANETARY CHANGE
ISSN0921-8181
Volume163Pages:10-17
Corresponding AuthorDuan, Jianping(duanjp@tea.ac.cn)
AbstractAlthough several tree-ring density-based summer/late summer temperature reconstructions have been developed on the Tibetan Plateau (TP), the understanding of the local/regional characteristics of summer temperature fluctuations on a long-term scale in some regions is still limited. To improve our understanding in these aspects, more local or regional summer temperature reconstructions extending back over several centuries are required. In this study, a new mean latewood density (LWD) chronology from Abies georgei var. smithii from the upper tree line of Sygera Mountain on the southeastern TP was developed to reconstruct the late summer temperature variability since 1820 CE. The bootstrapped correlation analysis showed that the LWD chronology index was significantly and positively correlated with the late summer (August-September) mean temperatures (r(1950-2008) = 0.63, p < 0.001) recorded at the nearest meteorological station and that this reconstruction has considerable potential to represent the late summer temperature variability at the regional scale. Our late summer temperature reconstruction revealed three obvious cold periods (i.e., 1872-1908, 1913-1937 and 1941-1966) and two relatively warm phases (i.e., 1821-1871 and 1970-2008) over the past two centuries. Comparisons of our reconstruction with other independent tree-ring-based temperature reconstructions, glacier fluctuations and historical documental records from neighboring regions showed good agreement in these relatively cold and warm intervals. Our reconstruction exhibits an overall increasing temperature trend since the 1960s, providing new evidence supporting the recent wanning of the TP. Moreover, our results also indicate that the late summer temperature variability of Sygera Mountain on the southeastern TP has potential links with the Pacific Decadal Oscillation (PDO).
KeywordTree-ring density Late summer temperature Abies georgei var. smithii Sygera Mountain Tibetan Plateau
DOI10.1016/j.gloplacha.2018.02.005
WOS KeywordWARM-SEASON TEMPERATURE ; WEST SICHUAN PLATEAU ; MAXIMUM DENSITY ; GAOLIGONG MOUNTAINS ; TIME-SERIES ; CHINA ; VARIABILITY ; SPRUCE ; OSCILLATION ; STANDARDIZATION
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2016YFA0600404] ; National Natural Science Foundation of China[41471035] ; National Natural Science Foundation of China[41571094] ; National Natural Science Foundation of China[41101043] ; National Natural Science Foundation of China[41271120] ; National Natural Science Foundation of China[41771240]
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000430771400002
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/55052
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDuan, Jianping
Affiliation1.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Key Lab Digital Earth Sci, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
3.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Temperate East Asia, Beijing 100029, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Patten & Simulat, Beijing 100101, Peoples R China
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100101, Peoples R China
6.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Li, Mingyong,Duan, Jianping,Wang, Lily,et al. Late summer temperature reconstruction based on tree-ring density for Sygera Mountain, southeastern Tibetan Plateau[J]. GLOBAL AND PLANETARY CHANGE,2018,163:10-17.
APA Li, Mingyong,Duan, Jianping,Wang, Lily,&Zhu, Haifeng.(2018).Late summer temperature reconstruction based on tree-ring density for Sygera Mountain, southeastern Tibetan Plateau.GLOBAL AND PLANETARY CHANGE,163,10-17.
MLA Li, Mingyong,et al."Late summer temperature reconstruction based on tree-ring density for Sygera Mountain, southeastern Tibetan Plateau".GLOBAL AND PLANETARY CHANGE 163(2018):10-17.
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