Climatic response of annual tree-rings

Boris G. Ageev; Aleksandr N. Gruzdev; Yurii N. Ponomarev; Valeria A. Sapozhnikova

doi:10.1117/12.2072594

25 November 2014 Climatic response of annual tree-rings

Boris G. Ageev, Aleksandr N. Gruzdev, Yurii N. Ponomarev, Valeria A. Sapozhnikova

Proceedings Volume 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 929235 (2014) https://doi.org/10.1117/12.2072594
Event: 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2014, Novosibirsk, Russian Federation

Abstract

Extensive literature devoted to investigations into the influence of environmental conditions on the plant respiration and respiration rate. It is generally accepted that the respired CO₂generated in a stem completely diffuses into the atmosphere. Results obtained from explorations into the CO₂ content in disc tree rings by the method proposed in this work shows that a major part of CO₂ remains in tree stems and exhibits inter-annual variability. Different methods are used to describe of CO₂ and H₂O distributions in disc tree rings. The relation of CO₂ and H₂O variations in a Siberian stone pine disc to meteorological parameters are analyzed with use of wavelet, spectral and cross-spectral techniques. According to a multiple linear regression model, the time evolution of the width of Siberian stone pine rings can be partly explained by a combined influence of air temperature, precipitation, cloudiness and solar activity. Conclusions are made regarding the response of the CO₂ and H₂O content in coniferous tree disc rings to various climatic factors. Suggested method of CO₂, (CO₂+H₂O) detection can be used for studying of a stem respiration in ecological risk areas.

Citation Download Citation

Boris G. Ageev, Aleksandr N. Gruzdev, Yurii N. Ponomarev, and Valeria A. Sapozhnikova "Climatic response of annual tree-rings", Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 929235 (25 November 2014); https://doi.org/10.1117/12.2072594

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