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Izvestiya, Atmospheric and Oceanic Physics

, Volume 54, Issue 8, pp 777–793 | Cite as

Experimental Studies of Aerosols in the Atmosphere of Semiarid Landscapes of Kalmykia: 1. Microphysical Parameters and Mass Concentration of Aerosol Particles

  • D. P. GubanovaEmail author
  • O. G. Chkhetiani
  • T. M. Kuderina
  • M. A. Iordanskii
  • Y. I. Obvintsev
  • M. S. Artamonova
Article
  • 25 Downloads

Abstract

This paper summarizes the results of long-term (2004–2016) comprehensive experimental studies of microphysical parameters and the mass concentration of aerosol particles in the atmospheric surface layer of semiarid regions of Kalmykia arranged by the Obukhov Institute of Atmospheric Physics of the Russian Academy of Sciences. Characteristic values of the mass and number concentrations of aerosol particles in the summer have been determined for different velocities. A significant decrease in the concentration of surface submicron- and micron-sized aerosols in comparison with their values observed in desert areas of Kalmykia in the 1990s has been found. Mass concentration distributions over aerosol particle fractions have been obtained. The diurnal course of the particle number concentration has been studied taking the meteorological conditions (air temperature, velocity, and humidity) and the underlying surface into consideration. The particle-size distribution functions characteristic of atmospheric aerosols in Kalmykia have been determined. The removal of particles has been coupled with the main meteorological parameters in the atmospheric near-surface layer. A large number of submicron-sized particles have been found to persist in the atmospheric surface layer of semiarid landscapes, confirming that they are the main sources of transport of fine mineral aerosol particles, which are most dangerous to human health and actively engaged in biospheric and climate change processes.

Keywords:

semiarid zone aerosol particles submicron and micron fractions mass concentration number concentration size distribution function meteorological conditions 

Notes

ACKNOWLEDGMENTS

We are grateful to A.Yu. Artamonov, V.K. Bandin, I.A. Buchnev, B.V. Zudin, S.A. Kosyan, V.A. Lebedev, L.O. Maksimenkov, I.A. Nevskii, F.A. Pogarskii, and I.A. Repina for assistance in the support and execution of field measurements. We are especially thankful to B.A. Khartskhaev (village of Komsomol’skii) for invaluable help in arranging activities in the Republic of Kalmykia. We acknowledge A.I. Kozachenko, Yu.P. Kaminov, and V.A. Bananova for their constant attention and valuable suggestions.

We are grateful to G.S. Golytsin for his permanent support and comments, which largely contributed to determining the goals and objectives of experiments, as well as to Professor V.M. Minashkin for his interest in this study and useful comments.

This study was supported by the Russian Foundation for Basic Research and RGO, project no. 17-05-41121, as well as the Presidium of the Russian Academy of Sciences, fundamental research program nos. 7 and 15.

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • D. P. Gubanova
    • 1
    • 2
    Email author
  • O. G. Chkhetiani
    • 2
    • 3
  • T. M. Kuderina
    • 4
  • M. A. Iordanskii
    • 1
  • Y. I. Obvintsev
    • 1
    • 2
  • M. S. Artamonova
    • 2
  1. 1.Karpov Research Institute of Physical Chemistry, State Scientific Center of the Russian Federation, State Corporation RosatomMoscowRussia
  2. 2.Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesMoscowRussia
  3. 3.Space Research Institute, Russian Academy of SciencesMoscowRussia
  4. 4.Institute of Geography, Russian Academy of SciencesMoscowRussia

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