Investigation of the exchange processes of small gaseous impurities (the flux and rate of the dry deposition) between the atmosphere and different types of vegetation in the South-Eastern coast of Lake Baikal

T. S. Balzhanov; A. V. Starikov; A. S. Zayakhanov; G. S. Zhamsueva; V. V. Tcydypov

doi:10.1117/12.2603275

15 December 2021 Investigation of the exchange processes of small gaseous impurities (the flux and rate of the dry deposition) between the atmosphere and different types of vegetation in the South-Eastern coast of Lake Baikal

T. S. Balzhanov, A. V. Starikov, A. S. Zayakhanov, G. S. Zhamsueva, V. V. Tcydypov

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Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119165X (2021) https://doi.org/10.1117/12.2603275
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

The experimental study of the flux and rate of the dry deposition of small gaseous impurities on different types of vegetation in the Baikal region are presented. Based on the eddy covariance method and the flux gradient methods (including the aerodynamic gradient method (AGM), the modified Bowen method (MBR) and modified gradient method (MGM)) and with experimental data, the quantitative estimates of the fluxes and dry deposition velocity of ozone on the underlying surface were obtained for different environments (grasslands, forest). The average values of the dry deposition velocity of ozone (V_d) were equal to 0.37 cm/s at night (0–3 h) and 0.91 cm/s during daytime hours (12–18 h). The ozone flux (F) was 0.24 μg m^–2 s^–1 at night and 0.72 μg m^–2 s^–1 in the afternoon. The quantitative estimates of V_d and F on vegetation and in the forest show a higher absorptive capacity of forests compared to soil vegetation.

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T. S. Balzhanov, A. V. Starikov, A. S. Zayakhanov, G. S. Zhamsueva, and V. V. Tcydypov "Investigation of the exchange processes of small gaseous impurities (the flux and rate of the dry deposition) between the atmosphere and different types of vegetation in the South-Eastern coast of Lake Baikal", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119165X (15 December 2021); https://doi.org/10.1117/12.2603275

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