Lunar-dependent equatorial ionospheric electrodynamic effects during sudden stratospheric warmings

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dc.contributor.authorFejer, B. G.
dc.contributor.authorOlson, M. E.
dc.contributor.authorChau Chong Shing, Jorge Luis
dc.contributor.authorStolle, C.
dc.contributor.authorLühr, H.
dc.contributor.authorGoncharenko, L. P.
dc.contributor.authorYumoto, K.
dc.contributor.authorNagatsuma, T.
dc.date.accessioned2018-07-20T16:06:35Z
dc.date.available2018-07-20T16:06:35Z
dc.date.issued2010
dc.description.abstractWe have used plasma drift and magnetic field measurements during the 2001–2009 December solstices to study, for the first time, the longitudinal dependence of equatorial ionospheric electrodynamic perturbations during sudden stratospheric warmings. Jicamarca radar measurements during these events show large dayside downward drift (westward electric field) perturbations followed by large morning upward and afternoon downward drifts that systematically shift to later local times. Ground-based magnetometer measurements in the American, Indian, and Pacific equatorial regions show strongly enhanced electrojet currents in the morning sector and large reversed currents (i.e., counterelectrojets) in the afternoon sector with onsets near new and full moons during northern winter warming periods. CHAMP satellite and ground-based magnetic field observations indicate that the onset of these equatorial afternoon counterelectrojets is longitude dependent. Our results indicate that these large electrodynamic perturbations during stratospheric warming periods are due to strongly enhanced semidiurnal lunar wave effects. The results of our study can be used for forecasting the occurrence and evolution of these electrodynamic perturbations during arctic winter warmings.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationFejer, B. G., Olson, M. E., Chau, J. L., Stolle, C., Lühr, H., Goncharenko, L. P., ... Nagatsuma, T. (2010). Lunar-dependent equatorial ionospheric electrodynamic effects during sudden stratospheric warmings.==$Journal of Geophysical Research: Space Physics, 115$==(A8), A00G03. https://doi.org/10.1029/2010JA015273es_ES
dc.identifier.doihttps://doi.org/10.1029/2010JA015273es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalJournal de Geophysical Researches_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/1991
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:0148-0227
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectElectrodynamicses_ES
dc.subjectIonospherees_ES
dc.subjectStratospherees_ES
dc.subjectPlasmaes_ES
dc.subjectMagnetic fieldses_ES
dc.subjectRadares_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleLunar-dependent equatorial ionospheric electrodynamic effects during sudden stratospheric warmingses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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