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树轮α-纤维素δ~(13)C角分布及其气候含义(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2002年01期
Page:
14-18
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
δ~(13)C Circumferential Variation in Tree-rings α-Cellulose and Its Climatic Implications
Article ID:
1000-2006(2002)01-0014-05
Author(s):
CHEN Bao jun 1QIAN Jun long 1PU Pei min 1KE Shan zhe 2HUANG Yao sheng 2KE Xiao kang 2
1.Nanjing Institute of Geography and Limnology CAS,Nanjing 210008,China; 2.Nanjing University,Nanjing 210093,China
Keywords:
Tree ringα celluloseδ 13 C circumferential variation
Classification number :
X83
DOI:
10.3969/j.jssn.1000-2006.2002.01.004
Document Code:
A
Abstract:
Studies on circumferential δ 13 C variability in tree ring have been reported.Despite a variety of species and localities,the range of δ 13 C around the circumference of tree ring is typically 0.1%~ 0.4% .However,studies on climatic implications for the difference among radii in tree rings have not yet been reported.In this paper,four trees sampled from different localities(three from Tianmushan Mount.and one from Lushan Mount.)were analysed.More than 7 radii with forty five degree interval from each tree were analyzed.The results showed that δ 13 C differences among radii reached 0.17%,but the directions for the lowest and the highest were different for each tree.The difference among radii in δ 13 C variance to the circumferential difference was in the same order of magnitude.By analyzing the δ 13 C climate relationship,the δ 13 C differences among radii may be used to study more climatic implications.

References

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Last Update: 1900-01-01