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The influence of climate on (13)C/(12)C and (18)O/(16)O ratios in tree ring cellulose of Pinus sylvestris L. growing in the central Scandinavian Mountains
Seftigen, K (Seftigen, Kristina)[1]; Linderholm, HW (Linderholm, Hans W.)[1]; Loader, NJ (Loader, Neil J.)[2]; Liu, Y (Liu, Yu)[3]; Young, GHF (Young, Giles H. F.)[2]
2011-07-22
发表期刊CHEMICAL GEOLOGY
卷号286期号:3-4页码:84-93
文章类型期刊论文
摘要

The stable isotope composition of tree rings is known to contain valuable information of past climatic and environmental changes, which may be used as a complement to tree ring width and maximum latewood density in climate reconstructions. In this study we examine the character and strength of the climate signal captured in the delta(18)O and delta(13)C values of Scots pine (Pinus sylvestris L.) trees growing at the tree-line in the central Scandinavian Mountains. Between 4 and 14 trees were pooled to produce annual records of carbon and oxygen isotope ratios from tree ring cellulose, spanning the period AD 1736-2006. Weather conditions of the current growing season most strongly influenced the carbon and oxygen isotope ratios in a given tree ring. Both records showed positive correlations with temperature, sunshine and air pressure, and negative associations with precipitation. The overall climate signal in delta(13)C appeared to be slightly stronger than that of delta(18)O. Spatial correlation analysis with gridded instrumental data demonstrated that the carbon series captured the summer temperature signal in a broad region of mid-west Sweden and the eastern part of Norway, greatly exceeding the spatial coverage of the signal derived from pine ring widths growing in the central Scandinavian mountains. A weak relationship between delta(13)C and precipitation and a much stronger temperature and sunshine dependence may imply that photosynthetic rate rather than stomatal conductance is more important in controlling the inter-annual tree ring delta(13)C variability in the area.

关键词Tree rings Stable isotopes Cellulose Pinus sylvestris L. Climate Central Scandinavian Mountains
DOI10.1016/j.chemgeo.2011.04.006
收录类别SCI
语种英语
引用统计
被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10335
专题现代环境研究室
通讯作者Seftigen, K (Seftigen, Kristina)[1]
作者单位1.Regional Climate Group, Department of Earth Sciences, University of Gothenburg, Box 460, SE-405 30 Gothenburg, Sweden;
2.Department of Geography, Swansea University, Singleton Park, Swansea SA2 8PP, Wales, UK;
3.The Institute of Earth Environment, Chinese Academy of Sciences, Xi´an 710075, China
推荐引用方式
GB/T 7714
Seftigen, K ,Linderholm, HW ,Loader, NJ ,et al. The influence of climate on (13)C/(12)C and (18)O/(16)O ratios in tree ring cellulose of Pinus sylvestris L. growing in the central Scandinavian Mountains[J]. CHEMICAL GEOLOGY,2011,286(3-4):84-93.
APA Seftigen, K ,Linderholm, HW ,Loader, NJ ,Liu, Y ,&Young, GHF .(2011).The influence of climate on (13)C/(12)C and (18)O/(16)O ratios in tree ring cellulose of Pinus sylvestris L. growing in the central Scandinavian Mountains.CHEMICAL GEOLOGY,286(3-4),84-93.
MLA Seftigen, K ,et al."The influence of climate on (13)C/(12)C and (18)O/(16)O ratios in tree ring cellulose of Pinus sylvestris L. growing in the central Scandinavian Mountains".CHEMICAL GEOLOGY 286.3-4(2011):84-93.
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