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    Density irregularities in the plasmasphere boundary layer: Cluster observations in the dusk sector

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    Decreau(2005).pdf (258.8Kb)
    Authors
    Décréau, P.M.E.
    Le Guirriec, E.
    Rauch, J.L.
    Trotignon, J.G.
    Canu, P.
    Darrouzet, F.
    Lemaire, J.
    Masson, A.
    Sedgemore, F.
    André, M.
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    Discipline
    Physical sciences
    Subject
    Boundary layers
    Dynamics
    Magnetosphere
    Orbits
    Spacecraft
    Cluster observations
    Density irregularities
    Dusk sector
    Plasmasphere boundary layer
    Plasma density
    Audience
    Scientific
    Date
    2005
    Metadata
    Show full item record
    Description
    We present observations of plasma density structures crossed by the CLUSTER spacecraft constellation near orbit perigee, with the spacecraft located in the vicinity of the plasmapause boundary. Although the constellation is not arranged as a perfect tetrahedron, the four-point measurements reveal interesting properties of density structures, unknown before the four-points in situ observations from the CLUSTER mission. The set of plasma density profiles shown are derived from the EFW and WHISPER instruments observations in the dusk sector of the plasmasphere region. They yield new insights into: (i) comparative along and cross-field dimensions; (ii) the dynamics of small-scale structures. They illustrate the great opportunity offered by the CLUSTER mission to resolve new challenges in magnetospheric physics, including a clearer understanding of the physics involved in the dynamics of the plasmasphere and the formation of its outer boundary: the plasmapause.
    Citation
    Décréau, P.M.E.; Le Guirriec, E.; Rauch, J.L.; Trotignon, J.G.; Canu, P.; Darrouzet, F.; Lemaire, J.; Masson, A.; Sedgemore, F.; André, M. (2005). Density irregularities in the plasmasphere boundary layer: Cluster observations in the dusk sector. , Advances in Space Research, Vol. 36, Issue 10, 1964-1969, DOI: 10.1016/j.asr.2005.08.050.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/4592
    doi: http://dx.doi.org/10.1016/j.asr.2005.08.050
    scopus: 2-s2.0-27844596236
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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