Behavior of trends of total ozone content according to data of ground-based (Tomsk: 56.48N, 85.05E) and satellite measurements

O. E. Bazhenov

doi:10.1117/12.2205759

19 November 2015 Behavior of trends of total ozone content according to data of ground-based (Tomsk: 56.48°N, 85.05°E) and satellite measurements

O. E. Bazhenov

Author Affiliations +

Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 968047 (2015) https://doi.org/10.1117/12.2205759
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

We analyze positive trends of total ozone (TO) content over Tomsk, composed for different time intervals according to TO measurements with the use of М-124 ozonometer and employing TOMS/OMI/MLS satellite data. As a result of 2011 spring ozone anomaly in Arctic, the increasing TO trend of 1.09 DU/yr for the period of 1996 -2010 in Tomsk slowed down to 0.26 DU/yr for the period of 1996 - 2011. Afterward, the positive trend resumed recovery and became 0.65 DU/yr for the period 1996 -2013. In early 2014, the TO level lowered, primarily due to low temperatures in the Arctic stratosphere. Nonetheless, the positive TO trend for the period of 1996 - 2014 stayed at the level of 1996 – 2013 trend. At the same time, the annually average TO value had been 362 DU in 2014 versus 370 DU in 2013.

Citation Download Citation

O. E. Bazhenov "Behavior of trends of total ozone content according to data of ground-based (Tomsk: 56.48°N, 85.05°E) and satellite measurements", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 968047 (19 November 2015); https://doi.org/10.1117/12.2205759

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