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    Steady state plasmapause positions deduced from McIlwain's electric field models

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    Authors
    Lemaire, J.
    Discipline
    Physical sciences
    Audience
    Scientific
    Date
    1976
    Metadata
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    Description
    It 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.
    Citation
    Lemaire, J. (1976). Steady state plasmapause positions deduced from McIlwain's electric field models. , Journal of Atmospheric and Terrestrial Physics, Vol. 38, Issue 11, 1041-1046, DOI: 10.1016/0021-9169(76)90031-3.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/6092
    doi: http://dx.doi.org/10.1016/0021-9169(76)90031-3
    scopus: 2-s2.0-0347726873
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
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