Results of AOD measurements and aerosol dispersion composition in atmosphere of the Baikal region during wildfires in summer 2021

A. L. Dementeva; G. S. Zhamsueva; A. S. Zayakhanov

doi:10.1117/12.2644935

7 December 2022 Results of AOD measurements and aerosol dispersion composition in atmosphere of the Baikal region during wildfires in summer 2021

A. L. Dementeva, G. S. Zhamsueva, A. S. Zayakhanov

Author Affiliations +

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 123416L (2022) https://doi.org/10.1117/12.2644935
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

The paper analyzes the optical and microphysical properties of aerosols at station Tory (AERONET), at "Boyarsky" station and the mass concentration of microdispersed aerosol of PM₁₀ and PM_2.5 fractions in July-September 2021. A high content of AOD aerosol (τ_0.5) was detected in August at a wavelength of 0.5 microns, which was 0.92. During of strong smoke in the atmosphere, an increase in the radius of fine particles up to 0.26 μm and volume concentration up to 0.11 μm³/μm² was noted. Because the physical properties and chemical composition of smoke aerosols change significantly with plume age, with the size and mass of smoke aerosols increasing with aging.

Citation Download Citation

A. L. Dementeva, G. S. Zhamsueva, and A. S. Zayakhanov "Results of AOD measurements and aerosol dispersion composition in atmosphere of the Baikal region during wildfires in summer 2021", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 123416L (7 December 2022); https://doi.org/10.1117/12.2644935

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