Enviar artigo por via de e-mail Evolution of the stratospheric polar vortex activity over 85 years
- Autores: Zuev V.V.1, Savelieva E.S.1
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Afiliações:
- Institute of Monitoring of Climate and Ecological Systems SB RAS
- Edição: Volume 526, Nº 1 (2026)
- Seção: ATMOSPHERIC AND HYDROSPHERIC PHYSICS
- ##submission.dateSubmitted##: 18.06.2025
- ##submission.dateAccepted##: 15.09.2025
- ##submission.datePublished##: 16.10.2025
- URL: https://journals.rcsi.science/2686-7397/article/view/297066
- ID: 297066
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Resumo
The polar vortices are large-scale objects of stratospheric circulation that have a significant impact not only on the temperature regime and ozone content in the polar stratosphere, but also on the weather and climate of high and middle latitudes. Using the ERA5 reanalysis data for 1940–2024, we identified defining trends in polar vortex dynamics over 85 years: increasing variability of the Arctic vortex and gradual strengthening of the Antarctic vortex. In the dynamics of the Arctic polar vortex, in contrast to the Antarctic one, over the 85-year period an increase in the manifestation of inconsistency can be observed, both in the vertical dynamics of the vortex and in its intra-seasonal changes. The increase in the variability of the Arctic polar vortex over the 85-year period is most noticeable in the second half of winter (in January and February), which is associated with a gradual weakening of the vortex during this period and an increase in the frequency of episodic breakdown of the vortex in different years. Over the 85-year period, there has been a gradual strengthening of the Antarctic polar vortex, most intense during the winter (from June to August) in the upper stratosphere and from mid-spring to early summer (from October to December) in the lower stratosphere. In addition, we showed that over the past 85 years there has been a significant increase in the lifetime of the Antarctic vortex, especially in the middle and lower stratosphere.
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Sobre autores
Vladimir Zuev
Institute of Monitoring of Climate and Ecological Systems SB RAS
Autor responsável pela correspondência
Email: vzuev@list.ru
ORCID ID: 0000-0002-2351-8924
Código SPIN: 4294-1790
Scopus Author ID: 56597035100
Researcher ID: E-5470-2014
Corresponding Member of the Russian Academy of Sciences, Doctor of Physical and Mathematical Sciences, Professor, Chief Researcher, Head of Laboratory, Laboratory of Middle Atmosphere Physics
RússiaEkaterina Savelieva
Institute of Monitoring of Climate and Ecological Systems SB RAS
Email: esav.pv@gmail.com
ORCID ID: 0000-0002-6560-7386
Código SPIN: 2188-2170
Scopus Author ID: 55502121400
Researcher ID: E-4782-2014
Doctor of Physical and Mathematical Sciences, Leading Researcher, Laboratory of Middle Atmosphere Physics
Rússia, 634055, Tomsk, Akademichesky Prospekt, 10/3Bibliografia
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