New observations of large-scale waves coupling with the ionosphere made by the GOLD mission: Quasi-16-day wave signatures in the f-region Ol 135.6-nm nightglow during sudden stratospheric warmings

The recently launched Global-scale Observations of the Limb and Disk (GOLD) Mission observed prominent quasi-16-day oscillations (Q16DOs) in the OI 135.6-nm nightglow from the equatorial ionization anomaly (EIA) region during 26 November 2018 to 25 January 2019. Meanwhile, the enhanced and concurrent quasi-16-day wave (Q16DW) activity was observed in the middle atmosphere by the Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) instrument. This implies that the F-region ionosphere couples with the lower atmosphere through large-scale waves. A noteworthy phenomenon was that the Q16DOs displayed an asymmetric behavior between the northern and southern EIA crests. This asymmetry indicates that the ionospheric Q16DOs might be driven by the Q16DW-modulated tides, which not only modulated the E-region dynamo winds but also modulated the F-region field-aligned neutral winds via vertical penetration, producing the oscillations in plasmas densities.

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Author Gan, Q.
Eastes, R. W.
Burns, Alan
Wang, Wenbin
Qian, Liying
Solomon, Stanley C.
Codrescu, M. V.
McClintock, W. E.
Publisher UCAR/NCAR - Library
Publication Date 2020-04-01T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2025-07-11T19:20:17.658288
Metadata Record Identifier edu.ucar.opensky::articles:23333
Metadata Language eng; USA
Suggested Citation Gan, Q., Eastes, R. W., Burns, Alan, Wang, Wenbin, Qian, Liying, Solomon, Stanley C., Codrescu, M. V., McClintock, W. E.. (2020). New observations of large-scale waves coupling with the ionosphere made by the GOLD mission: Quasi-16-day wave signatures in the f-region Ol 135.6-nm nightglow during sudden stratospheric warmings. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7pn9886. Accessed 03 August 2025.

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