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学科主题: 地理学::自然地理学
题名: Negligible local-factor influences on tree ring cellulose delta O-18 of Qilian juniper in the Animaqing Mountains of the eastern Tibetan Plateau
作者: Xu, CX (Xu, Chenxi)1; Shao, XM (Shao, Xuemei)2, 3, 4, 5; An, WL (An, Wenling)1; Nakatsuka, T (Nakatsuka, Takeshi)6; Zhang, Y (Zhang, Yong)2, 3; Sano, M (Sano, Masaki)6, 7; Guo, ZT (Guo, Zhengtang)1, 3, 4
通讯作者: Shao, XM
关键词: STABLE-ISOTOPE ; OXYGEN-ISOTOPE ; SMITH FIR ; PRECIPITATION ; CLIMATE ; RECORD ; RECONSTRUCTION ; VARIABILITY ; CHRONOLOGY ; GROWTH
刊名: TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY
发表日期: 2017
DOI: 10.1080/16000889.2017.1391663
卷: 69, 期:0, 页:1391663
收录类别: SCI
合作性质: 国际
文章类型: Article
类目[WOS]: Meteorology & Atmospheric Sciences
研究领域[WOS]: Meteorology & Atmospheric Sciences
英文摘要: Tree ring cellulose oxygen isotopes (delta O-18) were measured on 21 trees of Qilian juniper from the Animaqing Mountains, Tibetan Plateau, to investigate intra-and inter-tree variability, potential juvenile and elevation effects and climatic implications. There are no significant differences in mean and standard deviation of tree ring delta O-18 values at different heights in individual trees. Tree ring delta O-18 values from different directions show a high degree of coherence. The mean and standard deviation for vertical and circumferential delta O-18 time series are very similar, and delta O-18 data from different heights and directions are highly correlated (r > 0.88). The delta O-18 values of young trees are lower than those of old trees in the first 10 years of tree growth. Tree ring delta O-18 data from five different altitudes are highly correlated (r > 0.88) and share similar climatic signals. As such, an altitude effect on tree ring delta O-18 is not observed. Our results indicate that samples from one site, regardless of sampling height, direction or altitude, can be used to reconstruct a long-term delta O-18 record. Tree ring delta O-18 data from the Animaqing Mountains show a significant negative correlation (r = -0.67; p < 0.001) with May-July regional precipitation and appear to be a promising proxy for precipitation reconstruction.
语种: 英语
WOS记录号: WOS:000416988600001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7950
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China.
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China.
3.Tibetan Plateau Earth Sci, Ctr Excellence & Innovat Tibetan Plateau Earth Sy, Beijing, Peoples R China.
4.Univ Chinese Acad Sci, Beijing, Peoples R China.
5.Nanjing Univ, Jiangsu Collaborat Innovat Ctr Climate Change, Nanjing, Jiangsu, Peoples R China.
6.Res Inst Human & Nat, Kyoto, Japan.
7.Waseda Univ, Fac Human Sci, Tokorozawa, Saitama, Japan.

Recommended Citation:
Xu, CX ,Shao, XM ,An, WL ,et al. Negligible local-factor influences on tree ring cellulose delta O-18 of Qilian juniper in the Animaqing Mountains of the eastern Tibetan Plateau[J]. TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY,2017,69(0):1391663.
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