Diurnal behavior of aerosol hygro- and thermooptical parameters in the atmosphere of Tomsk region

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

doi:10.1117/12.2504550

13 December 2018 Diurnal behavior of aerosol hygro- and thermooptical parameters in the atmosphere of Tomsk region

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

Author Affiliations +

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108335L (2018) https://doi.org/10.1117/12.2504550
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

To study the diurnal behavior of hygro- and thermooptical parameters, the cycles of intensive measurements with artificial humidification and heating of the aerosol under study were carried out four to six times a day. The parameter of condensation activity γ characterizes variability of the aerosol scattering coefficient under the change of the relative humidity of air, and the thermooptical parameters are determined by the decrease of the volume concentration of particles in the respective temperature range. Diurnal behavior of the parameter of condensation activity is the most pronounced in spring. Its characteristic peculiarities are maximum in the daytime (~ 3 pm) and minimum in the evening (~10 pm). Diurnal behavior of the parameter determining the aerosol fraction evaporated in the temperature range 100 – 250°C also is well pronounced.

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Svetlana A. Terpugova, Elena P. Yausheva, Dmitry G. Chernov, Vasily V. Pol'kin, Victor V. Pol'kin, Valerii S. Kozlov, and Vladimir P. Shmargunov "Diurnal behavior of aerosol hygro- and thermooptical parameters in the atmosphere of Tomsk region", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108335L (13 December 2018); https://doi.org/10.1117/12.2504550

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