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13 December 2018 Study of carbonaceous gases fluxes at the Irkutsk water reservoir in the warm season
Valentina M. Domysheva, Vyatcheslav G. Ivanov, Mikhail V. Panchenko, Dmitriy A. Pestunov
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Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108335H (2018) https://doi.org/10.1117/12.2504512
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation
Abstract
To study the spatial distribution of the direction of carbon dioxide and methane fluxes at the Irkutsk water reservoir and their variability in the warm season, three measurement cycles covering the period from June to September 2018 were conducted. The content of carbon dioxide and methane was recorded continuously in the surface water and near-surface atmosphere along the ship route from Lake Baikal to the dam in the upstream pool and the dam area in the downstream pool. It is shown that in the summer-fall period the intense photosynthetic activity of biota leads to a significant decrease in the carbon dioxide concentration in water, and the Irkutsk water reservoir is an absorber of carbon dioxide. In the same period, the results of СН4 study indicate that in the summer-fall period the water reservoir is a source of methane inflow into the atmosphere.
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Valentina M. Domysheva, Vyatcheslav G. Ivanov, Mikhail V. Panchenko, and Dmitriy A. Pestunov "Study of carbonaceous gases fluxes at the Irkutsk water reservoir in the warm season", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108335H (13 December 2018); https://doi.org/10.1117/12.2504512
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KEYWORDS
Methane
Gases
Carbon
Climatology
Photosynthesis
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