Temperature variability in the upper polar stratosphere depending on the polar vortex strength

Vladimir V. Zuev; Nina E. Zueva; Ekaterina S. Savelieva; Alexey V. Pavlinskiy

doi:10.1117/12.2570671

12 November 2020 Temperature variability in the upper polar stratosphere depending on the polar vortex strength

Vladimir V. Zuev, Nina E. Zueva, Ekaterina S. Savelieva, Alexey V. Pavlinskiy

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115607R (2020) https://doi.org/10.1117/12.2570671
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

The polar vortex strengthening leads not only to a temperature decrease in the lower stratosphere, but also to its increase in the upper stratosphere inside the vortex. Over the Antarctic, this dependence is observed from autumn to spring: in the upper stratosphere high temperatures are observed inside the polar vortex, and low temperatures occur outside, especially in spring. Over the Arctic, a temperature increase in the upper Arctic stratosphere is observed under conditions of the strengthening of the northern polar vortex. Temperature variations in the upper polar stratosphere are determined by the ozone concentration and depend on the dynamics of the polar vortex: with a decrease in the ozone content inside the strong vortex in the upper stratosphere, a temperature increase is observed.

Citation Download Citation

Vladimir V. Zuev, Nina E. Zueva, Ekaterina S. Savelieva, and Alexey V. Pavlinskiy "Temperature variability in the upper polar stratosphere depending on the polar vortex strength", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115607R (12 November 2020); https://doi.org/10.1117/12.2570671

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KEYWORDS

Stratosphere

Ozone

Climatology

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