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Dispersed and Optical Characteristics of Atmospheric Aerosols in the Boreal Forest Zone of Central Siberia According to Measurement Data 2021–2022
Abstract
The results of the analysis of the dispersed and optical characteristics of atmospheric particles according to measurements at the background station of ZOTTO tall Tower in the period of 2021–2022 are presented. Seasonal spectra of particle size distributions and correlations with the total scattering coefficient for different aerosol modes are studied. The possibility of approximating the distribution spectra by analytical functions is investigated: the best approximation corresponds to a lognormal distribution of a unimodal form predominantly. The features of the seasonal course are analyzed: the aerosol concentration has a maximum in summer of 2021 and in spring of 2022. For the specified periods, the analysis of the backward trajectories of the movement of air masses using the HYSPLIT model was performed. In the northern regions, industrial mining plants are the sources of increased aerosol particle content. The atmospheric air coming from the eastern and south-western directions is enriched with products of biomass combustion as a result of forest fires and grass fall, respectively. It is shown that the scattering properties of aerosol particles from different sources have their own characteristic values.
About the Authors
E. Yu. Nebosko
Saint Petersburg State University
Russian Federation
Russian Federation
Saint Petersburg
K. A. Shpak
Saint Petersburg State University
Russian Federation
Russian Federation
Saint Petersburg
T. I. Ryshkevich
Saint Petersburg State University
Russian Federation
Russian Federation
Saint Petersburg
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Review
For citations:
Nebosko E.Yu., Shpak K.A., Ryshkevich T.I. Dispersed and Optical Characteristics of Atmospheric Aerosols in the Boreal Forest Zone of Central Siberia According to Measurement Data 2021–2022. Zhurnal Prikladnoii Spektroskopii. 2025;92(2):227-234. (In Russ.)
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