"Magnetospheric physics (plasmasphere) \u00C4 Space plasma physics (general or miscellaneous)"@en . "1"^^ . "Santol\u00EDk, Ond\u0159ej" . "D\u00E9cr\u00E9au, P. M. E." . "Hustotn\u00ED struktury uvnit\u0159 plazmopauzy: pozorov\u00E1n\u00ED dru\u017Eic Cluster"@cs . "Keyser de, J." . "Gallagher, D. L." . . "RIV/68378289:_____/04:00109621!RIV/2005/AV0/A04005/N" . . . "P(GA202/03/0832), P(ME 650), Z(AV0Z3042911), Z(MSM 113200004)" . . "Masson, A." . "Density structures inside the plasmasphere: Cluster observations" . "Density structures inside the plasmasphere: Cluster observations"@en . "Sandel, B. R." . "Trotignon, J. G." . "DE - Spolkov\u00E1 republika N\u011Bmecko" . "Darrouzet, F." . "2577;2585" . "Andr\u00E9, M." . . "7" . . . . "Sedgemore, F." . . "Annales Geophysicae" . "[69477E470C8C]" . . "RIV/68378289:_____/04:00109621" . "Guirriec Le, E." . "559727" . . "Pozorujeme hustotn\u00ED struktury uvnit\u0159 plazmopauzy s ur\u010Den\u00EDm jejich norm\u00E1lov\u00E9 rychlosti."@cs . "Hustotn\u00ED struktury uvnit\u0159 plazmopauzy: pozorov\u00E1n\u00ED dru\u017Eic Cluster"@cs . . "9"^^ . "The electron density profiles derived from the EFW and WHISPER instruments on board the four Cluster spacecraft reveal density structures inside the plasmasphere and at its outer boundary, the plasmapause. We have conducted a statistical study to characterize these density structures. We focus on the plasmasphere crossing on 11 April 2002, during which Cluster observed several density irregularities inside the plasmasphere, as well as a plasmaspheric plume. We derive the density gradient vectors from simultaneous density measurements by the four spacecraft. We also determine the normal velocity of the boundaries of the plume and of the irregularities from the time delays between those boundaries in the four individual density profiles, assumingthey are planar. These new observations yield novel insights about the occurrence of density irregularities, their geometry and their dynamics. These in-situ measurements are compared with global images of the plasmasphere from the EUV imager ..." . . "Lemaire, J. F." . . "Rauch, J. L." . "0992-7689" . "Density structures inside the plasmasphere: Cluster observations"@en . "Canu, P." . . "14"^^ . . . "Density structures inside the plasmasphere: Cluster observations" . "The electron density profiles derived from the EFW and WHISPER instruments on board the four Cluster spacecraft reveal density structures inside the plasmasphere and at its outer boundary, the plasmapause. We have conducted a statistical study to characterize these density structures. We focus on the plasmasphere crossing on 11 April 2002, during which Cluster observed several density irregularities inside the plasmasphere, as well as a plasmaspheric plume. We derive the density gradient vectors from simultaneous density measurements by the four spacecraft. We also determine the normal velocity of the boundaries of the plume and of the irregularities from the time delays between those boundaries in the four individual density profiles, assumingthey are planar. These new observations yield novel insights about the occurrence of density irregularities, their geometry and their dynamics. These in-situ measurements are compared with global images of the plasmasphere from the EUV imager ..."@en . "22" .