Long-term changes in the activity of wave disturbances in the mesopause region
- Autores: Perminov V.I.1, Pertsev N.N.1, Semenov V.A.1, Dalin P.A.2,3, Sukhodoev V.A.1
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Afiliações:
- A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
- Swedish Institute of Space Physics
- Space Research Institute, Russian Academy of Sciences
- Edição: Volume 519, Nº 1 (2024)
- Páginas: 543-549
- Seção: CLIMATIC PROCESSES
- ##submission.dateSubmitted##: 06.03.2025
- ##submission.dateAccepted##: 06.03.2025
- ##submission.datePublished##: 20.12.2024
- URL: https://journals.rcsi.science/2686-7397/article/view/282663
- DOI: https://doi.org/10.31857/S2686739724110186
- ID: 282663
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Resumo
According to temperature variations obtained on the basis of spectral observations of hydroxyl airglow at the Zvenigorod scientific station of A.M. Obukhov Institute of Atmospheric Physics RAS during 2000−2024, as well as on the basis of statistical analysis methods, long-term trends and dependences on solar activity were obtained for wave disturbances at mesopause altitudes (80−100 km). Using digital frequency filtering, their activities were determined in three regions of wave periods 0.7−2.0, 1.4−4.1 and 2.7−8.2 hours with maxima at 1, 2 and 4 hours. The root-mean-square values of temperature half-differences served as an indicator of wave activity. Both year-round and average seasonal (winter, summer) values were analyzed. As a result, it was established that wave activity has positive trends with their dependence on the frequency band of disturbances (in winter the trend is greater in the high-frequency band, in summer the trend is greater in the low-frequency band). The dependence on solar activity is positive. Its values are greater for the high-frequency band of disturbances, as well as in winter.
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Sobre autores
V. Perminov
A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
Autor responsável pela correspondência
Email: v.perminov@rambler.ru
Rússia, Moscow
N. Pertsev
A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
Email: v.perminov@rambler.ru
Rússia, Moscow
V. Semenov
A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
Email: v.perminov@rambler.ru
academician of the RAS
Rússia, MoscowP. Dalin
Swedish Institute of Space Physics; Space Research Institute, Russian Academy of Sciences
Email: v.perminov@rambler.ru
Suécia, Kiruna; Moscow, Russian Federation
V. Sukhodoev
A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
Email: v.perminov@rambler.ru
Rússia, Moscow
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