Response of cellulose oxygen isotope values of teak trees in differing monsoon environments to monsoon rainfall

被引：35

作者：

Managave, S. R. ^{[1
]}

Sheshshayee, M. S. ^{[2
]}

Ramesh, R.

Borgaonkar, H. P. ^{[3
]}

Shah, S. K. ^{[4
]}

Bhattacharyya, A. ^{[4
]}

机构：

[1] Phys Res Lab, Geosci Div, Ahmadabad 380009, Gujarat, India

[2] Univ Agr Sci, Bangalore 560065, Karnataka, India

[3] Indian Inst Trop Meteorol, Pune 411008, Maharashtra, India

[4] Birbal Sahani Inst Palaeobot, Lucknow 226007, Uttar Pradesh, India

来源：

DENDROCHRONOLOGIA | 2011年 / 29卷 / 02期

关键词：

Teak; Isotope dendroclimatology; Oxygen isotope; Amount effect; TECTONA-GRANDIS; STABLE-ISOTOPES; INDIAN MONSOON; TROPICAL TREES; RING ANALYSIS; RATIOS; PRECIPITATION; CARBON; RECONSTRUCTION; RESOLUTION;

D O I：

10.1016/j.dendro.2010.05.002

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Results of interannual variations in cellulose oxygen isotopic composition (delta O-18) of four teak (Tectona grandis L.F.) trees (one from western India, two from central India and one from southern India) are presented. Cellulose delta O-18 of teak trees from western and central India show a significant positive correlation with the amount of rainfall, which is contrary to expectation. We propose that this correlation is caused by longer duration of the growing season in years of higher rainfall. Teak from southern India shows a significant negative correlation with the amount of rainfall and this relationship is used to reconstruct rainfall back to A.D. 1743, extending the existing regional and local rainfall records by 70 and 128 years, respectively. The reconstructed series reveals higher rainfall for the period 1743-1830 than for the later periods. Published by Elsevier GmbH.

引用

页码：89 / 97

页数：9

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