Multiyear research of atmospheric deposition: case study at the Listvyanka monitoring station (Southern Pribaikalye, Russia)

O. G. Netsvetaeva; L. P. Golobokova; V. A. Obolkin; T. V. Khodzher

doi:10.1117/12.2503867

13 December 2018 Multiyear research of atmospheric deposition: case study at the Listvyanka monitoring station (Southern Pribaikalye, Russia)

O. G. Netsvetaeva, L. P. Golobokova, V. A. Obolkin, T. V. Khodzher

Author Affiliations +

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108333T (2018) https://doi.org/10.1117/12.2503867
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

Results of air surface aerosol and precipitation ion content studies done at the Listvyanka Station (Southern Pribaikalye) during 2000-2015 are discussed. The studies were performed by Limnological Institute, Siberian Branch of the Russian Academy of Sciences (Irkutsk, Russia) in continuous monitoring mode. Peculiarities of seasonal and interannual variability of aerosol and precipitation ion content are analyzed. A reduction of aerosol ion concentrations is observed since 2000 to 2015, while no such reduction of ion concentrations is seen in precipitation. The mean annual pH value and nitrate content show a tendency to decrease with simultaneous growth of sulfate and ammonium concentrations. Aerosol ion content changed in 2010-2015 as compared to the 1990’s. The change of aerosol and precipitation ion content is induced by climate change (warming, growing rain and snowfall) in the Baikal Region as well as by shift of heat and power plants emission components towards reduction of ash fraction and increase of acidulous gases.

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O. G. Netsvetaeva, L. P. Golobokova, V. A. Obolkin, and T. V. Khodzher "Multiyear research of atmospheric deposition: case study at the Listvyanka monitoring station (Southern Pribaikalye, Russia)", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108333T (13 December 2018); https://doi.org/10.1117/12.2503867

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