Aerosol condensation activity in the region of Tomsk in different types of “aerosol weather”

Svetlana A. Terpugova; Vasily V. Pol'kin; Dmitry G. Chernov; Elena P. Yausheva; Victor V. Pol'kin; Valerii S. Kozlov

doi:10.1117/12.2541115

18 December 2019 Aerosol condensation activity in the region of Tomsk in different types of “aerosol weather”

Svetlana A. Terpugova, Vasily V. Pol'kin, Dmitry G. Chernov, Elena P. Yausheva, Victor V. Pol'kin, Valerii S. Kozlov

Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 112085V (2019) https://doi.org/10.1117/12.2541115
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation

Abstract

Variability of the aerosol condensation activity parameter and the type of a hygrogram in different types of the “aerosol weather” are analyzed on the basis of the data of long-term measurements of the aerosol scattering coefficient as function of relative humidity of air in the near-ground layer of the atmosphere in the suburb of the city of Tomsk. Four data arrays different in the aerosol state: “background”, “haze”, “smog” and “smoke haze” are formed for each season. The analyzed data arrays were formed on the basis of the parameter σ_d (the scattering coefficient of the aerosol dry matter at the wavelength of λ = 0.51 μm), and P (ratio of the mass concentration of the absorbing substance to the mass concentration of submicron particles). The peculiarities of aerosol condensation activity at each type of aerosol weather are considered. It is revealed that the differences in the absolute values of the parameter of condensation activity and the type of hygrogram are caused by different values of σ_d (the level of aerosol content in the near-ground air layer), but the content of absorbing substance affects less.

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Svetlana A. Terpugova, Vasily V. Pol'kin, Dmitry G. Chernov, Elena P. Yausheva, Victor V. Pol'kin, and Valerii S. Kozlov "Aerosol condensation activity in the region of Tomsk in different types of “aerosol weather”", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 112085V (18 December 2019); https://doi.org/10.1117/12.2541115

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