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dc.contributor.author Kelley, M. C.
dc.contributor.author Ilma, R. R.
dc.contributor.author Crowley, G.
dc.date.accessioned 2018-11-05T16:23:06Z
dc.date.available 2018-11-05T16:23:06Z
dc.date.issued 2009-05-05
dc.identifier.citation Kelley, M. C., Ilma, R. R., & Crowley, G. (2009). On the origin of pre-reversal enhancement of the zonal equatorial electric field.==$Annales Geophysicae, 27$==(5), 2053-2056. https://doi.org/10.5194/angeo-27-2053-2009 es_ES
dc.identifier.uri http://hdl.handle.net/20.500.12816/3289
dc.description.abstract In November 2004, a large and variable interplanetary electric field (IEF) was felt in the reference frame of the Earth. This electric field penetrated to the magnetic equator and, when the Jicamarca Radio Observatory (JRO) was in the dusk sector, resulted in a reversal of the normal zonal component of the field. In turn, this caused a counter-electrojet (CEJ), a westward current rather than the usual eastward current. At the time of the normal pre-reversal enhancement (PRE) of the eastward field, the Jicamarca incoherent scatter radar (ISR) observed that the westward component became even more westward. Two of the three current explanations for the PRE depend on the neutral wind patterns. However, this unique event was such that the neutral wind-driven dynamos could not have changed. The implication is that the Haerendel-Eccles mechanism, which involves partial closure of the equatorial electrojet (EEJ) after sunset, must be the dominant mechanism for the PRE. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher European Geosciences Union es_ES
dc.relation.ispartof urn:issn:0992-7689
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Ionosphere es_ES
dc.subject Equatorial ionosphere es_ES
dc.subject Ionospheric irregularities es_ES
dc.subject Modeling and forecasting es_ES
dc.title On the origin of pre-reversal enhancement of the zonal equatorial electric field es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal Annales Geophysicae es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.5194/angeo-27-2053-2009 es_ES

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