落叶树年轮中气体成分的年代学

IF 0.9 Q4 OPTICS Atmospheric and Oceanic Optics Pub Date : 2024-01-17 DOI:10.1134/S1024856023060039

B. G. Ageev, V. A. Sapozhnikova, A. N. Gruzdev, D. A. Savchuk

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引用次数: 0

摘要

摘要- 通过真空法对落叶树树盘年轮中解吸的气体进行了测量。利用带有可调谐二氧化碳激光器的光声气体分析仪分析了从树年轮中真空脱附的残余气体含量。得出了生长在托木斯克市（西西伯利亚）附近的一些落叶树的残余 CO2 和（CO2 + H2O）年表。所有年表都具有明显的 2-4 年周期。气体含量与夏季气温和降水量之间存在相关性。我们认为，圆盘中残留气体的年度分布反映了落叶树茎每年向大气释放气体的模式。

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Chronologies of Gas Components in Deciduous Tree Rings

Gases desorbed by the vacuum method from the tree rings of discs of deciduous trees are measured. The content of residual gases vacuum-desorbed from tree rings is analyzed with an optoacoustic gas analyzer with a tunable CO₂ laser. The chronologies of residual CO₂ and (CO₂ + H₂O) of some deciduous trees growing near the city of Tomsk (Western Siberia) have been derived. All the chronologies are cyclic with pronounced 2–4-year cycles. A correlation was found between the content of gases and summer temperatures and precipitation. We believe that the annual distribution of residual gases in the discs reflects the pattern of annual release of the gases from the stems of the deciduous trees into the atmosphere.

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来源期刊

Atmospheric and Oceanic Optics OPTICS-

CiteScore

2.40

自引率

42.90%

发文量

期刊介绍： Atmospheric and Oceanic Optics is an international peer reviewed journal that presents experimental and theoretical articles relevant to a wide range of problems of atmospheric and oceanic optics, ecology, and climate. The journal coverage includes: scattering and transfer of optical waves, spectroscopy of atmospheric gases, turbulent and nonlinear optical phenomena, adaptive optics, remote (ground-based, airborne, and spaceborne) sensing of the atmosphere and the surface, methods for solving of inverse problems, new equipment for optical investigations, development of computer programs and databases for optical studies. Thematic issues are devoted to the studies of atmospheric ozone, adaptive, nonlinear, and coherent optics, regional climate and environmental monitoring, and other subjects.