Equatorial electric fields during magnetically disturbed conditions 1. The effect of the interplanetary magnetic field

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dc.contributor.authorWoodman Pollitt, Ronald Francisco
dc.contributor.authorKelley, M. C.
dc.contributor.authorFarley, D. T.
dc.contributor.authorFejer, B. G.
dc.contributor.authorGonzáles, S. A.
dc.date.accessioned2018-07-04T14:24:44Z
dc.date.available2018-07-04T14:24:44Z
dc.date.issued1979-10-01
dc.description.abstractRadar measurements of E and F region drift velocities have been used to look for correlations between changes in equatorial electric fields and the interplanetary magnetic field (IMF). The east-west component of the IMF appears to be unimportant, but the north-south component has some effect; rapid reversals from south to north are sometimes correlated with reversals of the equatorial east-west electric field during both daytime and nighttime. This is not always true, however, the IMF may reverse without any apparent effect at the equator. Furthermore, large equatorial field perturbations are sometimes observed when the IMF Bz is large and southward but not varying drastically. In this latter case the equatorial perturbations start nearly simultaneously with the onset of auroral substorms, while in the previous case they usually correlate with the onset of the substorm recovery phase. These observations indicate that the IMF does not affect the equatorial electric fields directly. Rather, it is changes in the magnetospheric electric fields and the auroral zone electric field and conductivity distribution (which may or may not be triggered by IMF changes) which alter the worldwide ionospheric current flow and electric field pattern, of which the equatorial observations are an indication.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationWoodman, R. F., Kelley, M. C., Farley, D. T., Fejer, B. G., & Gonzáles, S. A. (1979). Equatorial electric fields during magnetically disturbed conditions 1. The effect of the interplanetary magnetic field.==$Journal of Geophysical Research: Space Physics, 84$==(A10), 5797-5802. https://doi.org/10.1029/JA084iA10p05797es_ES
dc.identifier.doihttps://doi.org/10.1029/JA084iA10p05797es_ES
dc.identifier.journalJournal of Geophysical Research: Space Physicses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/1673
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:2169-9380
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectRegion Fes_ES
dc.subjectRegion Ees_ES
dc.subjectMagnetic fieldses_ES
dc.subjectAurorases_ES
dc.subjectElectrical conductivityes_ES
dc.subjectRadares_ES
dc.subjectIonospherees_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleEquatorial electric fields during magnetically disturbed conditions 1. The effect of the interplanetary magnetic fieldes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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