Modeling the daytime, equatorial ionospheric ion densities associated with the observed, four‐cell longitude patterns in E × B drift velocities

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dc.contributor.authorAraujo-Pradere, Eduardo A.
dc.contributor.authorFang, Tzu Wei
dc.contributor.authorAnderson, David N.
dc.contributor.authorFedrizzi, Mariangel
dc.contributor.authorStoneback, Russell
dc.date.accessioned2018-11-09T11:46:40Z
dc.date.available2018-11-09T11:46:40Z
dc.date.issued2012-04-26
dc.description.abstractPrevious studies have quantified the longitude gradients in E × Bdrift associated with the four‐cell tidal structures and have confirmed that these sharp gradients exist on a day‐to‐day basis. For this paper, we incorporate the Ion Velocity Meter (IVM) sensor on the Communications/Navigation Outage Forecasting System satellite to obtain the daytime, verticalE × B drift velocities at the magnetic equator as a function of longitude, local time, and season and to theoretically calculate the F region ion densities as a function of altitude, latitude, longitude, and local time using the Global Ionosphere Plasmasphere model. We compare calculated ion densities assuming no longitude gradients in E × Bdrift velocities with calculated ion densities incorporating the IVM‐observedE × Bdrift at the boundaries of the four‐cell tidal structures in the Peruvian and the Atlantic longitude sectors. Incorporating the IVM‐observedE × B drift velocities, the ion density crests rapidly converge to the magnetic equator between 285 and 300°E geographic longitude, are absent between 300° and 305°, and move away from the magnetic equator between 305° and 340°. In essence, the steeper the longitude gradient in E × B drifts, the steeper the longitude gradient in the equatorial anomaly crest location.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationAraujo-Pradere, E. A., Fang, T. W., Anderson, D. N., Fedrizzi, M., & Stoneback, R. (2012). Modeling the daytime, equatorial ionospheric ion densities associated with the observed, four‐cell longitude patterns in E × B drift velocities.==$Radio science, 47$==(4), RS0L12. https://doi.org/10.1029/2011RS004930es_ES
dc.identifier.doihttps://doi.org/10.1029/2011RS004930es_ES
dc.identifier.journalRadio sciencees_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3488
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:0048-6604
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectEquatorial E×B driftses_ES
dc.subjectFour‐cell patternes_ES
dc.subjectModeling ion densityes_ES
dc.subjectForecasting systemes_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleModeling the daytime, equatorial ionospheric ion densities associated with the observed, four‐cell longitude patterns in E × B drift velocitieses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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