Simulation of the pre‐reversal enhancement in the low latitude vertical ion drifts

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dc.contributor.authorFesen, C. G.
dc.contributor.authorCrowley, G.
dc.contributor.authorRoble, R. G.
dc.contributor.authorRichmond, A. D.
dc.contributor.authorFejer, B. G.
dc.date.accessioned2018-10-22T13:15:03Z
dc.date.available2018-10-22T13:15:03Z
dc.date.issued2000-07-01
dc.description.abstractLow latitude F region ion motions exhibit strong seasonal and solar cycle dependences. The pre‐reversal enhancement (PRE) in the vertical ion drifts is a particularly well‐known low latitude electrodynamic feature, exhibited as a sharp upward spike in the velocity shortly after local sunset, which remains poorly understood theoretically. The PRE has been successfully simulated for the first time by a general circulation model, the National Center for Atmospheric Research thermosphere/ionosphere/electrodynamic general circulation model (TIEGCM). The TIEGCM reproduces the zonal and vertical plasma drifts for equinox, June, and December for low, medium, and high solar activity. The crucial parameter in the model to produce the PRE is the nighttime E region electron densities: densities ≥ 104 cm−3 preclude the PRE development by short‐circuiting the F region dynamo. The E region semidiurnal 2,2 tidal wave largely determines the magnitude and phase of the daytime F region drifts.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationFesen, C. G., Crowley, G., Roble, R. G., Richmond, A. D., & Fejer, B. G. (2000). Simulation of the pre‐reversal enhancement in the low latitude vertical ion drifts.==$Geophysical Research Letters, 27$==(13), 1851-1854. https://doi.org/10.1029/2000GL000061es_ES
dc.identifier.doihttps://doi.org/10.1029/2000GL000061es_ES
dc.identifier.journalGeophysical Research Letterses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3084
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:0094-8276
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectE regiones_ES
dc.subjectElectrodynamicses_ES
dc.subjectPlasmases_ES
dc.subjectSolar energyes_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleSimulation of the pre‐reversal enhancement in the low latitude vertical ion driftses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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