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17 October 2023 Determination of the groups of sources affecting the chemical composition of atmospheric fallout on the northeastern coast of Lake Baikal
Yelena V. Molozhnikova, Maxim Yu. Shikhovtsev, Olga G. Netsvetaeva, Tamara V. Khodzher
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Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 127801J (2023) https://doi.org/10.1117/12.2685152
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation
Abstract
The results of studies of the chemical composition of the snow cover on the northeastern coast of Lake Baikal, the Republic of Buryatia, are presented. Snow samples were taken along the Ulan-Ude – Kurumkan route, in the delta region of the Barguzin River, from the ice of Barguzin Bay and northern Baikal. Groups of sources affecting the composition of atmospheric fallout in the background regions of the Baikal region were determined using the statistical methods of data processing. Based on the calculation data for the dispersion of anthropogenic impurities from large source cities during the period of stable snow cover (November 2021 – February 2022), the percentage of adverse weather conditions, in which emissions could reach the northeastern coast, was obtained. The features of the spatial distribution of marker substances in the background regions of the Baikal region were studied, and the accumulation of chemicals in the snow cover was visualized on maps.
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Yelena V. Molozhnikova, Maxim Yu. Shikhovtsev, Olga G. Netsvetaeva, and Tamara V. Khodzher "Determination of the groups of sources affecting the chemical composition of atmospheric fallout on the northeastern coast of Lake Baikal", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 127801J (17 October 2023); https://doi.org/10.1117/12.2685152
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KEYWORDS
Snow cover
Chemical composition
Atmospheric particles
Aerosols
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