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dc.contributor.authorLemaire, J.
dc.date1976
dc.date.accessioned2017-09-01T12:11:13Z
dc.date.available2017-09-01T12:11:13Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/6092
dc.descriptionIt has recently been suggested that the plasmasphere of the Earth is peeled off near midnight (at L= 4.5 for Kp = 1-2) by 'Plasma Elements Interchange Motion' driven by centrifugal or inertial forces. McIlwain's(1974) convection electric field model E3H with a variable scale factor f has been used to calculate different plasmapause positions and shapes. The new theoretical models obtained with f∼-1.2 are in agreement with observations of whistlers and of the PROGNOZ satellites, for periods of very low geomagnetic activity (i.e. Kp < 1). Furthermore the numerical models corresponding to f∼-0.7 fit qualitatively the observations of the plasmasphere and plasmapause when the geomagnetic activity has a higher constant level (i.e. 2 <Kp< 4). A tentative relation between f and Kp is deduced.
dc.languageeng
dc.titleSteady state plasmapause positions deduced from McIlwain's electric field models
dc.typeArticle
dc.subject.frascatiPhysical sciences
dc.audienceScientific
dc.source.titleJournal of Atmospheric and Terrestrial Physics
dc.source.volume38
dc.source.issue11
dc.source.page1041-1046
Orfeo.peerreviewedYes
dc.identifier.doi10.1016/0021-9169(76)90031-3
dc.identifier.scopus2-s2.0-0347726873


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