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 ORCID icon
Wang, Wenbin ORCID icon
Qian, Liying ORCID icon
Solomon, Stanley C. ORCID icon
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 2025-12-25T15:12:44.990531
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 12 March 2026.

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