GOLD synoptic observations of quasi-6-day wave modulations of post-sunset Equatorial Ionization Anomaly during the September 2019 Antarctic Sudden Stratospheric Warming

Using observations from the Global-scale Observations of the Limb and Disk (GOLD) mission, we investigate post-sunset ionospheric responses to the September 2019 Antarctic sudden stratospheric warming -first ever from a synoptic perspective. Observations reveal a prevalent quasi-6-day periodicity in...

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Published in:Geophysical Research Letters
Other Authors: Gan, Q. (author), Oberheide, J. (author), Goncharenko, L. (author), Qian, Liying (author), Yue, J. (author), Wang, Wenbin (author), McClintock, W. E. (author), Eastes, R. W. (author)
Format: Article in Journal/Newspaper
Language:English
Published: 2023
Subjects:
Online Access:https://doi.org/10.1029/2023GL103386
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spelling ftncar:oai:drupal-site.org:articles_26424 2024-06-23T07:47:49+00:00 GOLD synoptic observations of quasi-6-day wave modulations of post-sunset Equatorial Ionization Anomaly during the September 2019 Antarctic Sudden Stratospheric Warming Gan, Q. (author) Oberheide, J. (author) Goncharenko, L. (author) Qian, Liying (author) Yue, J. (author) Wang, Wenbin (author) McClintock, W. E. (author) Eastes, R. W. (author) 2023-06-28 https://doi.org/10.1029/2023GL103386 en eng Geophysical Research Letters--Geophysical Research Letters--0094-8276--1944-8007 articles:26424 doi:10.1029/2023GL103386 ark:/85065/d7ht2tcp Copyright 2023 American Geophysical Union (AGU). article Text 2023 ftncar https://doi.org/10.1029/2023GL103386 2024-05-27T14:15:41Z Using observations from the Global-scale Observations of the Limb and Disk (GOLD) mission, we investigate post-sunset ionospheric responses to the September 2019 Antarctic sudden stratospheric warming -first ever from a synoptic perspective. Observations reveal a prevalent quasi-6-day periodicity in the equatorial ionization anomaly region over South America and the Atlantic, coincident with enhanced quasi-6-day wave (Q6DW) activity in the mesosphere (Liu et al., 2021, ). The atmosphere-ionosphere coupling via large-scale waves is rarely studied over the ocean due to the lack of observations. More importantly, further analyses suggest that multiple pathways are involved in transmitting the quasi-6-day periodicity from the middle atmosphere into the post-sunset F-region ionosphere, including modulation of F-region field aligned winds and pre-reversal enhancements by the tides and or Q6DW. A remarkable depletion in electron density, attributable to the overall change in thermosphere composition driven by the dissipative tides and or Q6DWs, is also seen during the period of enhanced Q6DW activity. 80GSFC18C0061 80NSSC20K0721 80NSSC20K1353 Article in Journal/Newspaper Antarc* Antarctic OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research) Antarctic Geophysical Research Letters 50 12
institution Open Polar
collection OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
op_collection_id ftncar
language English
description Using observations from the Global-scale Observations of the Limb and Disk (GOLD) mission, we investigate post-sunset ionospheric responses to the September 2019 Antarctic sudden stratospheric warming -first ever from a synoptic perspective. Observations reveal a prevalent quasi-6-day periodicity in the equatorial ionization anomaly region over South America and the Atlantic, coincident with enhanced quasi-6-day wave (Q6DW) activity in the mesosphere (Liu et al., 2021, ). The atmosphere-ionosphere coupling via large-scale waves is rarely studied over the ocean due to the lack of observations. More importantly, further analyses suggest that multiple pathways are involved in transmitting the quasi-6-day periodicity from the middle atmosphere into the post-sunset F-region ionosphere, including modulation of F-region field aligned winds and pre-reversal enhancements by the tides and or Q6DW. A remarkable depletion in electron density, attributable to the overall change in thermosphere composition driven by the dissipative tides and or Q6DWs, is also seen during the period of enhanced Q6DW activity. 80GSFC18C0061 80NSSC20K0721 80NSSC20K1353
author2 Gan, Q. (author)
Oberheide, J. (author)
Goncharenko, L. (author)
Qian, Liying (author)
Yue, J. (author)
Wang, Wenbin (author)
McClintock, W. E. (author)
Eastes, R. W. (author)
format Article in Journal/Newspaper
title GOLD synoptic observations of quasi-6-day wave modulations of post-sunset Equatorial Ionization Anomaly during the September 2019 Antarctic Sudden Stratospheric Warming
spellingShingle GOLD synoptic observations of quasi-6-day wave modulations of post-sunset Equatorial Ionization Anomaly during the September 2019 Antarctic Sudden Stratospheric Warming
title_short GOLD synoptic observations of quasi-6-day wave modulations of post-sunset Equatorial Ionization Anomaly during the September 2019 Antarctic Sudden Stratospheric Warming
title_full GOLD synoptic observations of quasi-6-day wave modulations of post-sunset Equatorial Ionization Anomaly during the September 2019 Antarctic Sudden Stratospheric Warming
title_fullStr GOLD synoptic observations of quasi-6-day wave modulations of post-sunset Equatorial Ionization Anomaly during the September 2019 Antarctic Sudden Stratospheric Warming
title_full_unstemmed GOLD synoptic observations of quasi-6-day wave modulations of post-sunset Equatorial Ionization Anomaly during the September 2019 Antarctic Sudden Stratospheric Warming
title_sort gold synoptic observations of quasi-6-day wave modulations of post-sunset equatorial ionization anomaly during the september 2019 antarctic sudden stratospheric warming
publishDate 2023
url https://doi.org/10.1029/2023GL103386
geographic Antarctic
geographic_facet Antarctic
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Antarctic
genre_facet Antarc*
Antarctic
op_relation Geophysical Research Letters--Geophysical Research Letters--0094-8276--1944-8007
articles:26424
doi:10.1029/2023GL103386
ark:/85065/d7ht2tcp
op_rights Copyright 2023 American Geophysical Union (AGU).
op_doi https://doi.org/10.1029/2023GL103386
container_title Geophysical Research Letters
container_volume 50
container_issue 12
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