Long-Term Dynamics of Ozone in Surface Atmosphere at Remote Mountain, Rural and Urban Sites of South-East Siberia, Russia - Open Access Library Journal

OALibJ > Vol.3 No.4, April 2016

Long-Term Dynamics of Ozone in Surface Atmosphere at Remote Mountain, Rural and Urban Sites of South-East Siberia, Russia ()

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DOI: 10.4236/oalib.1102578 701 Downloads 1,275 Views Citations

Author(s)

Olga Khuriganova¹, Vladimir Obolkin¹, Hajime Akimoto², Tsuyoshi Ohizumi^2,3, Tamara Khodzher¹, Vladimir Potemkin¹, Liudmila Golobokova¹

Affiliation(s)

¹Limnological Institute, Siberian Branch of Russian Academy of Sciences, Irkutsk, Russia.
²Asia Centre for Air Pollution Research, Niigata, Japan.
³Niigata Prefectural Institute for Public Health and Environmental Sciences, Niigata, Japan.

ABSTRACT

Long-term monitoring of near-ground ozone concentration was performed in the remote mountain area as well as at rural and urban sites of South-East Siberia. Ozone concentrations at all three sites had similar seasonal dynamics with its maximum in spring and minimum in autumn. Such seasonal trends were characteristic of many areas of the Northern Hemisphere. Diurnal fluctuations of ozone concentrations were caused by photochemical generation of ozone at daytime and its partial depletion at night. Diurnal fluctuations were maximal in spring and summer and minimal in December and January in accordance with solar radiation intensity. At the urban site, mean ozone concentrations were significantly lower (about 2 times) than those in the rural and background areas. This was likely attributed to the increased consumption of ozone for oxidation of air pollutants in the urbanized area. A tendency to the decrease of mean annual ozone concentrations was recorded during long-term observations at the mountain site Mondy.

KEYWORDS

Ozone, Nitrogen Oxide, Solar Radiation, Monitoring, East Siberia

Share and Cite:

Khuriganova, O. , Obolkin, V. , Akimoto, H. , Ohizumi, T. , Khodzher, T. , Potemkin, V. and Golobokova, L. (2016) Long-Term Dynamics of Ozone in Surface Atmosphere at Remote Mountain, Rural and Urban Sites of South-East Siberia, Russia. Open Access Library Journal, 3, 1-9. doi: 10.4236/oalib.1102578.

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