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18 December 2019 Carbonaceous gases and biogenic elements in the coastal water zone of the east coast of Lake Baikal
V. M. Domysheva, A. M. Shamrin, D. A. Pestunov, M. V. Sakirko, M. V. Panchenko
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Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 112084D (2019) https://doi.org/10.1117/12.2540715
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation
Abstract
Shipborne and ground-based enroute measurements along the southern and eastern coasts of Lake Baikal from Kultuk village to Turka village were conducted in August 15-21, 2018. This period was chosen, because in this period the recreation load on the Baikal coast is the highest and the summer peak in development of the water biota is observed. The route included ten stations with a priori different anthropogenic load. At each station, the content of carbon dioxide and methane in the atmosphere and dissolved in water, as well as their fluxes in the water-atmosphere system, were measured. Here, samples of surface and bottom water were taken, in which the pH value, the concentration of dissolved oxygen, bicarbonate, nitrate, phosphate and fluorescence characteristics were determined. It is shown that the minimum concentrations of nutrients were recorded at the Boyarskii village. The strongest water pollution was found near the coast of Novyi Enkhaluk village. Particularly this part of the coast is subjected to the highest anthropogenic impact from tourist complexes located along this coast line.
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V. M. Domysheva, A. M. Shamrin, D. A. Pestunov, M. V. Sakirko, and M. V. Panchenko "Carbonaceous gases and biogenic elements in the coastal water zone of the east coast of Lake Baikal", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 112084D (18 December 2019); https://doi.org/10.1117/12.2540715
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KEYWORDS
Methane
Silicon
Phosphorus
Carbon dioxide
Oxygen
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