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Investigation of Transport and Transformation of Tropospheric Ozone in Terrestrial Ecosystems of the Coastal Zone of Lake Baikal

1
Institute of Physical Materials Science Siberian Branch, Russian Academy of Sciences, 670047 Ulan-Ude, Russia
2
Limnological Institute Siberian Branch, Russian Academy of Sciences, 664033 Irkutsk, Russia
*
Author to whom correspondence should be addressed.
Atmosphere 2019, 10(12), 739; https://doi.org/10.3390/atmos10120739
Received: 7 November 2019 / Revised: 12 November 2019 / Accepted: 20 November 2019 / Published: 25 November 2019
(This article belongs to the Section Air Quality)
Forest ecosystems play an important role in the process of removing trace gases from the atmosphere. The purpose of this work is the experimental study of the flux and rate of the dry deposition of ozone on different types of vegetation in the Baikal region. 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 (Vd) 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 Vd and F on vegetation and in the forest show a higher absorptive capacity of forests compared to soil vegetation. View Full-Text
Keywords: atmosphere; dry deposition; forest; grasslands; ozone; trace gases; Baikal region atmosphere; dry deposition; forest; grasslands; ozone; trace gases; Baikal region
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Zayakhanov, A.S.; Zhamsueva, G.S.; Tcydypov, V.V.; Balzhanov, T.S.; Dementeva, A.L.; Khodzher, T.V. Investigation of Transport and Transformation of Tropospheric Ozone in Terrestrial Ecosystems of the Coastal Zone of Lake Baikal. Atmosphere 2019, 10, 739.

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