Humidity effect on occurrence of ozone anomaly in Arctic in April 2011 according to Aura MLS data

O. E. Bazhenov

doi:10.1117/12.2249152

29 November 2016 Humidity effect on occurrence of ozone anomaly in Arctic in April 2011 according to Aura MLS data

O. E. Bazhenov

Proceedings Volume 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1003544 (2016) https://doi.org/10.1117/12.2249152
Event: XXII International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2016, Tomsk, Russian Federation

Abstract

In March 2011, there were extremely low temperatures and ozone mixing ratios and extremely high water vapor mixing ratios in the Arctic stratosphere. The stratospheric temperatures sometimes dropped below ice formation point, possibly indicating the formation of polar stratospheric clouds (PSCs) and destruction of ozone, delivered to the Arctic latitudes by meridional transport. Based on Aura MLS data, it is shown that the content of water vapor, required to form PSC particles, grows with decreasing temperature in the stratosphere until the latter is above the water freezing point.

Citation Download Citation

O. E. Bazhenov "Humidity effect on occurrence of ozone anomaly in Arctic in April 2011 according to Aura MLS data", Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1003544 (29 November 2016); https://doi.org/10.1117/12.2249152

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