Observations of mesoscale auroral plasma cavity crossings with the Freja satellite

We have used data from the Freja satellite, with an apogee of 1700 km over the auroral oval, to make a statistical analysis of mesoscale auroral plasma density cavities. Such cavities are defined to be regions in the auroral zone with size scales between discrete arcs and inverted‐V events in which...

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Veröffentlicht in:	Journal of Geophysical Research 1998-05, Vol.103 (A5), p.9391-9404
Hauptverfasser:	Mäkelä, Jakke S., Mälkki, Anssi, Koskinen, Hannu, Boehm, Manfred, Holback, Bengt, Eliasson, Lars
Format:	Artikel
Sprache:	eng
Schlagworte:	Earth, ocean, space Exact sciences and technology External geophysics Physics of the magnetosphere Plasma motion, convection, circulation. Plasma instabilities
Online-Zugang:	Volltext
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