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Atmospheric and Oceanic Optics

2021 year, number 8

Conjugate analysis of the particle size distribution of aerosol matter in the surface air and snow cover: the effect of air masses on the distribution of aerosol particles

M.P. Tentyukov1,2, K.A. Shukurov3, B.D. Belan1, D.V. Simonenkov1, E.G. Yazikov4, V.I. Mikhailov5, V.S. Buchelnikov4
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, Tomsk, Russia
2Pitirim Sorokin Syktyvkar state University, Syktyvkar, Russia
3A.M. Obukhov Institute of Atmospheric Physics Russian Academy of Sciences, Moscow, Russia
4Research Tomsk Polytechnic University, Tomsk, Russia
5Institute of Chemistry of the Komi Science Centre of the Ural Division RAS, Syktyvkar, Russia
Keywords: aerosol particle size distribution, snow cover, atmospheric circulation, far-range transport of impurities, trajectory analysis

Abstract

The results of comparative studies of the ratio of aerosol fractions in the surface air and snow layers chronologically linked to stratigraphically significant snowfalls are presented. Probable paths of winter air masses were reconstructed using backward trajectories calculated with NOAA HYSPLIT_4 model and gridded meteorology NCEP/NCAR Reanalysis. It is shown that the features of the formation of the winter aerosol field within the Ob-Tomsk interfluve are mainly associated with winds with a southern component.