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Regional hydroclimate and precipitation delta O-18 revealed in tree-ring cellulose delta O-18 from different tree species in semi-arid Northern China
Li,Q (Li, Qiang)[1]; Nakatsuka,T (Nakatsuka, Takeshi)[1]; Kawamura,K (Kawamura, Kimitaka)[2]; Liu,Y (Liu, Yu)[3,4]; Song, HM (Song, Huiming)[3]
2011-03-07
Source PublicationCHEMICAL GEOLOGY
Volume282Issue:1-2Pages:19-28
Subtype期刊论文
Abstract

Oxygen isotopic ratios (delta(18)O) of tree-ring cellulose, grown from 1954 to 2003 in semi-arid Northern China demonstrate a common inter-annual variability, despite coming from three different species in two distinct growth environments (an alpine meadow and a rocky ridge). The variability was significantly negative correlated with precipitation and relative humidity during the growing season. This suggests that the past summer hydroclimate can be inferred from tree-ring cellulose delta(18)O from various kinds of trees growing in semi-arid Northern China. In addition, we evaluated past changes in delta(18)O of precipitation from the tree-ring cellulose delta(18)O and relative humidity using the mechanistic model for tree-ring cellulose delta(18)O in Roden et al. (2000). By fixing the species-dependent exchange rate of oxygen between carbohydrate and xylem water for Larix principis-rupprechtii and Picea koraiensis, we could also reconstruct the variations in precipitation delta(18)O from the different tree species, which are similar to the observed delta(18)O of precipitation during 1985-2002. Although the reconstructed delta(18)O of precipitation does not have any significant relation to local temperature or precipitation during 1954-2003, its long-term variation pattern is similar to that of the Asian summer monsoon indices and delta(18)O of stalagmite in the Heshang cave (30 degrees 27'N, 110 degrees 25'E; Fig. 1), suggesting that delta(18)O of precipitation is not controlled by local meteorology but is influenced by large-scale atmospheric circulation.

KeywordTree-ring cellulose δ18O Hydroclimate δ18O of precipitation The Asian monsoon Northern China
DOI10.1016/j.chemgeo.2011.01.004
Indexed BySCI
Language英语
Citation statistics
Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10332
Collection现代环境研究室
Corresponding AuthorLi,Q (Li, Qiang)[1]
Affiliation1.Graduate School of Environment Studies, Nagoya University, Nagoya 464-8601, Japan;
2.Institute of Low Temperature Science, Hokkaido University, Sapporo 060-0819, Japan;
3.Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China;
4.School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Recommended Citation
GB/T 7714
Li,Q ,Nakatsuka,T ,Kawamura,K ,et al. Regional hydroclimate and precipitation delta O-18 revealed in tree-ring cellulose delta O-18 from different tree species in semi-arid Northern China[J]. CHEMICAL GEOLOGY,2011,282(1-2):19-28.
APA Li,Q ,Nakatsuka,T ,Kawamura,K ,Liu,Y ,&Song, HM .(2011).Regional hydroclimate and precipitation delta O-18 revealed in tree-ring cellulose delta O-18 from different tree species in semi-arid Northern China.CHEMICAL GEOLOGY,282(1-2),19-28.
MLA Li,Q ,et al."Regional hydroclimate and precipitation delta O-18 revealed in tree-ring cellulose delta O-18 from different tree species in semi-arid Northern China".CHEMICAL GEOLOGY 282.1-2(2011):19-28.
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