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DOI10.1016/j.epsl.2010.11.014
Sampling strategy and climatic implications of tree-ring stable isotopes on the southeast Tibetan Plateau
Shi, Chunming; Masson-Delmotte, Valerie; Risi, Camille; Eglin, Thomas; Stievenard, Michel; Pierre, Monique; Wang, Xiaochun; Gao, Jing; Breon, Francois-Marie; Zhang, Qi-Bin; Daux, Valerie
通讯作者Zhang, QB (通讯作者)
发表日期2011
ISSN0012-821X
EISSN1385-013X
起始页码307
结束页码316
卷号301期号:1-2
英文摘要We explore the potential of tree-ring cellulose delta O-18 and delta C-13 records for reconstructing climate variability in the southeast Tibetan Plateau. Our sampling strategy was designed to investigate intra and inter-tree variability, and the effects of the age of tree on delta O-18 variation. We show that intra-tree delta C-13 and delta O-18 variability is negligible, and inter-tree coherence is sufficient to build robust tree-ring delta O-18 or delta C-13 chronologies based on only four trees. There is no evidence of an age effect regarding delta O-18, in contrast with tree-ring width. In our warm and moist sampling site, young tree delta C-13 is not clearly correlated with monthly mean meteorological data. Tree-ring delta O-18 appears significantly anti-correlated with summer precipitation amount, regional cloud cover, and relative humidity. Simulations conducted with the ORCHIDEE land surface model confirm the observed contribution of relative humidity to tree cellulose delta O-18, and explain the weak correlation of delta C-13 with climate by the non-linear integration linked with photosynthesis. Altogether, the tree-ring cellulose delta O-18 is shown to be a promising proxy to reconstruct regional summer moisture variability prior to the instrumental period. (C) 2010 Elsevier B.V. All rights reserved.
关键词MONSOON PRECIPITATIONHIGH-RESOLUTIONDELTA-C-13CELLULOSEDELTA-O-18RATIOSRECONSTRUCTIONTEMPERATUREVARIABILITYRECORD
英文关键词Tibetan Plateau; tree ring; oxygen and carbon stable isotopes; climate; ORCHIDEE
语种英语
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000286640400031
来源期刊EARTH AND PLANETARY SCIENCE LETTERS
来源机构中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/257962
推荐引用方式
GB/T 7714
Shi, Chunming,Masson-Delmotte, Valerie,Risi, Camille,et al. Sampling strategy and climatic implications of tree-ring stable isotopes on the southeast Tibetan Plateau[J]. 中国科学院青藏高原研究所,2011,301(1-2).
APA Shi, Chunming.,Masson-Delmotte, Valerie.,Risi, Camille.,Eglin, Thomas.,Stievenard, Michel.,...&Daux, Valerie.(2011).Sampling strategy and climatic implications of tree-ring stable isotopes on the southeast Tibetan Plateau.EARTH AND PLANETARY SCIENCE LETTERS,301(1-2).
MLA Shi, Chunming,et al."Sampling strategy and climatic implications of tree-ring stable isotopes on the southeast Tibetan Plateau".EARTH AND PLANETARY SCIENCE LETTERS 301.1-2(2011).
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