Managave, S. R. ; Sheshshayee, M. S. ; Borgaonkar, H. P. ; Ramesh, R. (2010) Past break-monsoon conditions detectable by high resolution intra-annual δ18O analysis of teak rings Geophysical Research Letters, 37 . L05702_1-L05702_5. ISSN 0094-8276
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Official URL: http://europa.agu.org/?view=article&uri=/journals/...
Related URL: http://dx.doi.org/10.1029/2009GL041172
Abstract
Intra-annual variations in the cellulose oxygen isotopic composition (δ18O) of several annual growth rings of three teak (Tectona grandis L.F.) trees from central India show a clear seasonal cycle with higher values in the early and late growing seasons and lower values in the middle. This cycle is useful to identify growth occurring during different phases of the growing season. Relative humidity (RH) appears to control the intra-annual δ18O variations rather than rainfall, and therefore past break-monsoon conditions associated with lower RH, could be detected by high resolution sub-sampling of annual rings for δ18O analysis.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Geophysical Union. |
| Keywords: | Teak Tree; Oxygen Isotope Composition; Intra-annual Variation; Isotope Dendroclimatology; Break Monsoon |
| ID Code: | 70258 |
| Deposited On: | 18 Nov 2011 13:38 |
| Last Modified: | 18 Nov 2011 13:38 |
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