Variability of gas impurities in the ground atmosphere of South-Eastern Siberia

O. I. Khuriganova; V. A. Obolkin; L. P. Golobokova; T. V. Khodzher

doi:10.1117/12.2503208

13 December 2018 Variability of gas impurities in the ground atmosphere of South-Eastern Siberia

O. I. Khuriganova, V. A. Obolkin, L. P. Golobokova, T. V. Khodzher

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1083379 (2018) https://doi.org/10.1117/12.2503208
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The article presents the study of the spatial and timely concentration dynamics of the main polluting gas impurities (O₃, SO₂ and NO_x) at three permanent sites of atmospheric monitoring in the south of Eastern Siberia. The monitoring measurements were carried out by passive, forced and direct methods that showed a good correlation varying between 0.7 and more. The results of the study have confirmed the previously determined trends of the annual course in the distribution of ozone in the ground atmosphere at the monitoring sites: maximum values of ozone concentration were in the spring (March-April), and minimal – in the autumn (September-October). Short-term fluctuations of the concentrations of the ground ozone in urban conditions depended on the content of anthropogenic gas impurities. The content of sulphur and nitrogen dioxides in the urban and rural areas was significantly affected by seasonal and interannual fluctuations depending on air temperature changing throughout the year (more in the winter, less in the summer) and on different years (more in cold years and less in warm years). At the Listvyanka site, increased concentration of the analyzed gases was in the warm season as well. It is caused by the high recreational load of the settlement as one of the largest touristic zones at Baikal in the Irkutsk Region.

Citation Download Citation

O. I. Khuriganova, V. A. Obolkin, L. P. Golobokova, and T. V. Khodzher "Variability of gas impurities in the ground atmosphere of South-Eastern Siberia ", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1083379 (13 December 2018); https://doi.org/10.1117/12.2503208

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