Spatial and Seasonal Variability of NO2, SO2 and CO Contents over the Territory of Belarus

Authors

  • Andrei P. Gusev Francisk Skorina Gomel State University
  • Tatsiana G. Flerko Francisk Skorina Gomel State University

DOI:

https://doi.org/10.52575/2712-7443-2024-48-2-210-220

Keywords:

air pollution, Sentinel-5P TROPOMI, sulfur dioxide, nitrogen dioxide, carbon monoxide, Belarus

Abstract

The purpose of the research is to study changes in the tropospheric contents of NO2, SO2 and CO on the territory of Belarus, measured using satellite imagery. Based on the results of the Sentinel-5P TROPOMI satellite (winter and summer 2022), average concentrations were obtained over cities, specially protected natural areas and for Belarus as a whole. Significant seasonal fluctuations in the contents of NO2, SO2 and CO have been established. In winter, average and median SO2 concentrations are 23,77 and 17,9 times higher than summer ones, respectively; NO2 – by 3,35 and 2,69 times, CO – by 1,16 and 1,17 times. The NO2 content over cities is 1,2 times higher than over specially protected natural areas. In summer, the highest concentrations of NO2 were observed over Gomel, Grodno, Brest, Minsk, Rechitsa, Svetlogorsk; in winter – over Minsk, Gomel, Novopolotsk, Vitebsk. SO2 concentrations are characterized by strong spatiotemporal variability. The concentrations of SO2 and CO over cities and protected areas are close and do not differ statistically significantly from the background.

Acknowledgements: The research was carried out with the financial support of the Belarusian Republican Foundation for Fundamental Research (project No. X23KI-022).

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Author Biographies

Andrei P. Gusev, Francisk Skorina Gomel State University

Candidate of Geological and Mineralogical Sciences, Associate Professor, Head of the Department of Geology and Geography of Francisk Skorina Gomel State University, Gomel, Belarus

Tatsiana G. Flerko, Francisk Skorina Gomel State University

Candidate of Geographical Sciences, Associate Professor of the Department of Geology and Geography of Francisk Skorina Gomel State University, Gomel, Belarus

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Published

2024-06-30

How to Cite

Gusev, A. P., & Flerko, T. G. (2024). Spatial and Seasonal Variability of NO2, SO2 and CO Contents over the Territory of Belarus. Regional Geosystems, 48(2), 210-220. https://doi.org/10.52575/2712-7443-2024-48-2-210-220

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Section

Earth Sciences