Electric fields and zonal winds in the equatorial ionosphere inferred from CHAMP satellite magnetic measurements

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dc.contributor.authorMaus, Stefan
dc.contributor.authorAlken, Patrick
dc.contributor.authorLühr, Hermann
dc.date.accessioned2018-10-30T11:56:40Z
dc.date.available2018-10-30T11:56:40Z
dc.date.issued2007-12-16
dc.description.abstractThe Equatorial Electrojet (EEJ) produces a strong magnetic signal in measurements of the low‐orbiting CHAMP satellite. Six years of data with more than 30,000 dayside equator crossings provide a unique data basis to study this current system. In addition to scalar measurements used in previous studies, we have also inverted vector magnetic field measurements to gain accurate meridional profiles of the eastward current in the equatorial region. By solving the relevant differential equation, the CHAMP‐derived current profiles can be inverted for the driving zonal electric fields and zonal winds. As a result of this feasibility study, we suggest an inversion of the complete set of individual CHAMP EEJ current profiles, which will provide valuable new information on dayside electric fields and thermospheric winds at low latitudes.
dc.description.peer-reviewPor pares
dc.formatapplication/pdf
dc.identifier.citationMaus, S., Alken, P., & Lühr, H. (2007). Electric fields and zonal winds in the equatorial ionosphere inferred from CHAMP satellite magnetic measurements.==$Geophysical Research Letters, 34$==(23), L23102. https://doi.org/10.1029/2007GL030859
dc.identifier.doihttps://doi.org/10.1029/2007GL030859
dc.identifier.journalGeophysical Research Letters
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3218
dc.language.isoeng
dc.publisherAmerican Geophysical Union
dc.relation.ispartofurn:issn:0094-8276
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectEquatorial electrojet
dc.subjectZonal electric field
dc.subjectZonal wind
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01
dc.titleElectric fields and zonal winds in the equatorial ionosphere inferred from CHAMP satellite magnetic measurements
dc.typeinfo:eu-repo/semantics/article

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