Comparative analysis of satellite and continuous surface measurements of gas impurities in the air basin at the Listvyanka station, Lake Baikal

Yelena V. Molozhnikova; Maxim Yu. Shikhovtsev; Anastasia K. Popova; Vladimir A. Obolkin; Tamara V. Khodzher

doi:10.1117/12.2643507

7 December 2022 Comparative analysis of satellite and continuous surface measurements of gas impurities in the air basin at the Listvyanka station, Lake Baikal

Yelena V. Molozhnikova, Maxim Yu. Shikhovtsev , Anastasia K. Popova, Vladimir A. Obolkin, Tamara V. Khodzher

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Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1234158 (2022) https://doi.org/10.1117/12.2643507
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

This study demonstrates a comparative analysis of surface and satellite measurements. The average concentrations of PM_2.5 and CO, SO₂, measured at the Listvyanka station located on the coast of Lake Baikal, were considered. Satellite measurements data (Copernicus Sentinel-5P) were recomputed based on the SILAM model. A joint analysis of data showed that satellite measurements were suitable for a spatial description of regional air pollution. The computed maxima coincided with the surface measurements in terms of time periods and general monitoring results. However, at extreme increases in concentrations of pollutants, a significant difference in the numerical values was registered. Satellite monitoring data confirmed the relationship between the increase in PM_2.5 and CO concentrations in the air basin at the Listvyanka station and the transfer of smoke plumes from intense forest fires located at a distance of 1,500 – 2,000 km.

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Yelena V. Molozhnikova, Maxim Yu. Shikhovtsev , Anastasia K. Popova, Vladimir A. Obolkin, and Tamara V. Khodzher "Comparative analysis of satellite and continuous surface measurements of gas impurities in the air basin at the Listvyanka station, Lake Baikal", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1234158 (7 December 2022); https://doi.org/10.1117/12.2643507

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KEYWORDS

Satellites

Carbon monoxide

Atmospheric modeling

Atmospheric monitoring

Aerosols

Air contamination

Atmospheric particles

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