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QUASI-BIENNIAL OSCILLATION OF THE WIND IN THE EQUATORIAL STRATOSPHERE
1 Hydrometeorological Scientific Research Centre of the Russian Federation
2 Sternberg Astronomical Institute of Lomonosov Moscow State University
3 National Research University «Higher School of Economics»
Journal: Geophysical processes and biosphere
Tome: 23
Number: 3
Year: 2024
Pages: 52-58
UDK: 551.557.5: 551:590.2
DOI: 10.21455/GPB2024.3-4
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Sidorenkov
L.V N.S. QUASI-BIENNIAL OSCILLATION OF THE WIND IN THE EQUATORIAL STRATOSPHERE // . 2024. Т. 23. № 3. С. 52-58. DOI: 10.21455/GPB2024.3-4
@article{Sidorenkov
L.VQUASI-BIENNIAL2024,
author = "Sidorenkov
L.V, N. S.",
title = "QUASI-BIENNIAL OSCILLATION OF THE WIND IN THE EQUATORIAL STRATOSPHERE",
journal = "Geophysical processes and biosphere",
year = 2024,
volume = "23",
number = "3",
pages = "52-58",
doi = "10.21455/GPB2024.3-4",
language = "English"
}
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Keywords: quasi-biennial wind cycle, planetary waves in the atmosphere, motion of the Earthʼs poles, celestial-mechanical nature of QBO and Chandler periods
Аnnotation: A series of average monthly quasibiannial oscillation (QBO) indexes has been accumulated from 1954 to 2023. The similarity between the spectra of QBO and the coordinates of the Earthʼs poles is shown. Celestial-mechanical nature of the Chandler wobble and QBO periods is revealed. The waves of thermal and gravitational tides absorbed in the atmosphere are described. A pronounced, simultaneous attenuation of the amplitudes of oscillations: QBO, Chandler and solar activity observed in recent years is discussed.
