Research of optical and microphysical characteristics of near-ground aerosol in urban winter smog Tomsk in February 2014

Elena P. Yausheva; Valeriy S. Kozlov; Mikhail V. Panchenko; Victor V. Polkin; Svetlana A. Terpugova; Vasiliy V. Polkin

doi:10.1117/12.2074673

25 November 2014 Research of optical and microphysical characteristics of near-ground aerosol in urban winter smog Tomsk in February 2014

Elena P. Yausheva, Valeriy S. Kozlov, Mikhail V. Panchenko, Victor V. Polkin, Svetlana A. Terpugova, Vasiliy V. Polkin

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Proceedings Volume 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 929239 (2014) https://doi.org/10.1117/12.2074673
Event: 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2014, Novosibirsk, Russian Federation

Abstract

Measurements of the mass concentrations of the dry matter of submicrometer aerosol and black carbon, black carbon fraction, size distributions and the volume filling factors of submicrometer and coarse particles, aerosol scattering coefficients at the angles of 45° and 1.2°, as well as the parameter of aerosol condensation activity are carried out in February 2014 at the Aerosol monitoring station IAO SB RAS. The dynamics of optical and microphysical characteristics of near-ground aerosol is analyzed. Their correlations and peculiarities of differences in urban winter smog in comparison with the conditions of weakly turbid atmosphere are studied. It is shown that multiple (more than an order of magnitude) increase of the content of submicrometer aerosol and black carbon in the near-ground layer occurs under conditions of a dense winter smog, that is comparable with events of high smoke content in the atmosphere due to forest fires in summer.

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Elena P. Yausheva, Valeriy S. Kozlov, Mikhail V. Panchenko, Victor V. Polkin, Svetlana A. Terpugova, and Vasiliy V. Polkin "Research of optical and microphysical characteristics of near-ground aerosol in urban winter smog Tomsk in February 2014", Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 929239 (25 November 2014); https://doi.org/10.1117/12.2074673

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