Early morning equatorial ionization anomaly from GOLD observations

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dc.contributor.authorLaskar, F. I.
dc.contributor.authorEastes, R. W.
dc.contributor.authorMartinis, C. R.
dc.contributor.authorDaniell, R. E.
dc.contributor.authorPedatella, N. M.
dc.contributor.authorBurns, A. G.
dc.contributor.authorMcClintock, W.
dc.contributor.authorGoncharenko, L. P.
dc.contributor.authorCoster, A.
dc.contributor.authorMilla, Marco
dc.contributor.authorWang, W.
dc.contributor.authorValladares, C. E.
dc.contributor.authorCodrescu, M. V.
dc.date.accessioned2021-02-16T12:09:25Z
dc.date.available2021-02-16T12:09:25Z
dc.date.issued2020-07
dc.description.abstractDuring geomagnetically quiet and solar minimum conditions, spatial variations of the early morning thermosphere‐ionosphere (TI) system are expected to be mainly governed by wave dynamics. To study the postmidnight dynamical coupling, we investigated the early morning equatorial ionization anomaly (EIA) using Global‐scale Observations of the Limb and Disk (GOLD) measurements of OI‐135.6 nm nightglow emission and global navigation satellite system (GNSS)‐based total electron content (TEC) maps. The EIA structures in the OI‐135.6 nm emission over the American landmass resemble, spatially and temporally, those observed in the GNSS‐TEC maps. The early morning EIA (EM‐EIA) crests are well separated in latitude and mostly located over the middle of South America during October–November. In February–April the crests are less separated in latitude and predominantly located over the west coast sector of South America. Whole Atmosphere Community Climate Model with thermosphere and ionosphere eXtension (WACCMX) simulations with constant solar minimum and quiet‐geomagnetic conditions show that EM‐EIA can occur globally and shows properties similar to longitudinal Wave 4 pattern. Thus, we propose that EM‐EIA is driven by dynamical changes associated with the lower atmospheric waves.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationLaskar, F. I., Eastes, R. W., Martinis, C. R., Daniell, R. E., Pedatella, N. M., Burns, A. G., ... & Codrescu, M. V. (2020). Early morning equatorial ionization anomaly from GOLD observations.==$Journal of Geophysical Research: Space Physics, 125$==(7), e2019JA027487. https://doi.org/10.1029/2019JA027487es_ES
dc.identifier.doihttps://doi.org/10.1029/2019JA027487es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalJournal of Geophysical Research: Space Physicses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/4917
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:2169-9380
dc.rightsinfo:eu-repo/semantics/closedAccesses_ES
dc.subjectAirglowes_ES
dc.subjectTotal electron contentes_ES
dc.subjectThermosphere‐ionosphere dynamicses_ES
dc.subjectEquatorial ionization anomalyes_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleEarly morning equatorial ionization anomaly from GOLD observationses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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