Swarm SCARF equatorial electric field inversion chain

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dc.contributor.authorAlken, Patrick
dc.contributor.authorMaus, Stefan
dc.contributor.authorVigneron, Pierre
dc.contributor.authorSirol, Olivier
dc.contributor.authorHulot, Gauthier
dc.date.accessioned2018-11-09T17:52:37Z
dc.date.available2018-11-09T17:52:37Z
dc.date.issued2013-11-22
dc.description.abstractThe day-time eastward equatorial electric field (EEF) in the ionospheric E-region plays a crucial role in equatorial ionospheric dynamics. It is responsible for driving the equatorial electrojet (EEJ) current system, equatorial vertical ion drifts, and the equatorial ionization anomaly (EIA). Due to its importance, there is much interest in accurately measuring and modeling the EEF for both climatological and near real-time studies. The Swarm satellite mission offers a unique opportunity to estimate the equatorial electric field from measurements of the geomagnetic field. Due to the near-polar orbits of each satellite, the on-board magnetometers record a full profile in latitude of the ionospheric current signatures at satellite altitude. These latitudinal magnetic profiles are then modeled using a first principles approach with empirical climatological inputs specifying the state of the ionosphere. Since the EEF is the primary driver of the low-latitude ionospheric current system, the observed magnetic measurements can then be inverted for the EEF. This paper details the algorithm for recovering the EEF from Swarm geomagnetic field measurements. The equatorial electric field estimates are an official Swarm level-2 product developed within the Swarm SCARF (Satellite Constellation Application Research Facility). They will be made freely available by ESA after the commissioning phase.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationAlken, P., Maus, S., Vigneron, P., Sirol, O., & Hulot, G. (2013). Swarm SCARF equatorial electric field inversion chain.==$Earth, Planets and Space, 65$==(11), 1309–1317. https://doi.org/10.5047/eps.2013.09.008es_ES
dc.identifier.doihttps://doi.org/10.5047/eps.2013.09.008es_ES
dc.identifier.journalEarth, Planets and Spacees_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3522
dc.language.isoenges_ES
dc.publisherSpringerOpenes_ES
dc.relation.ispartofurn:issn:1343-8832
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectEquatorial ionospherees_ES
dc.subjectElectric fieldses_ES
dc.subjectSpace magnetometryes_ES
dc.subjectSwarmes_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleSwarm SCARF equatorial electric field inversion chaines_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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