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Volume 7, issue 5
Atmos. Meas. Tech., 7, 1459–1474, 2014
https://doi.org/10.5194/amt-7-1459-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Remote sensing of aerosols and clouds (EGU2012)

Atmos. Meas. Tech., 7, 1459–1474, 2014
https://doi.org/10.5194/amt-7-1459-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 27 May 2014

Research article | 27 May 2014

Aerosol seasonal variations over urban–industrial regions in Ukraine according to AERONET and POLDER measurements

G. Milinevsky1, V. Danylevsky1, V. Bovchaliuk2,1, A. Bovchaliuk3, Ph. Goloub2, O. Dubovik2, V. Kabashnikov4, A. Chaikovsky4, N. Miatselskaya4, M. Mishchenko5, and M. Sosonkin3 G. Milinevsky et al.
  • 1Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
  • 2Laboratoire d'Optique Atmosphérique, CNRS – Université de Lille 1, Villeneuve d'Ascq, France
  • 3Main Astronomical Observatory, National Academy of Sciences of Ukraine, Kyiv, Ukraine
  • 4Institute of Physics, Laboratory of Scattering Media, Minsk, Belarus
  • 5NASA Goddard Institute for Space Studies, New York, USA

Abstract. The paper presents an investigation of aerosol seasonal variations in several urban–industrial regions in Ukraine. Our analysis of seasonal variations of optical and physical aerosol parameters is based on the sun-photometer 2008–2013 data from two urban ground-based AERONET (AErosol RObotic NETwork) sites in Ukraine (Kyiv, Lugansk) as well as on satellite POLDER instrument data for urban–industrial areas in Ukraine. We also analyzed the data from one AERONET site in Belarus (Minsk) in order to compare with the Ukrainian sites. Aerosol amount and optical depth (AOD) values in the atmosphere columns over the large urbanized areas like Kyiv and Minsk have maximum values in the spring (April–May) and late summer (August), whereas minimum values are observed in late autumn. The results show that fine-mode particles are most frequently detected during the spring and late summer seasons. The analysis of the seasonal AOD variations over the urban–industrial areas in the eastern and central parts of Ukraine according to both ground-based and POLDER data exhibits the similar traits. The seasonal variation similarity in the regions denotes the resemblance in basic aerosol sources that are closely related to properties of aerosol particles. The behavior of basic aerosol parameters in the western part of Ukraine is different from eastern and central regions and shows an earlier appearance of the spring and summer AOD maxima. Spectral single-scattering albedo, complex refractive index and size distribution of aerosol particles in the atmosphere column over Kyiv have different behavior for warm (April–October) and cold seasons. The seasonal features of fine and coarse aerosol particle behavior over the Kyiv site were analyzed. A prevailing influence of the fine-mode particles on the optical properties of the aerosol layer over the region has been established. The back-trajectory and cluster analysis techniques were applied to study the seasonal back trajectories and prevailing directions of the arrived air mass for the Kyiv and Minsk sites.

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