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Evolution of mesoscale auroral cavities before substorm onset
Uppsala University.
Uppsala University.
Uppsala University.
Uppsala University.
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1999 (English)In: JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, ISSN 0148-0227, Vol. 104, no A8, 17201-17215 p.Article in journal (Other scientific) Published
Abstract [en]

We have used density measurements made by the Freja satellite to analyze the dynamical behavior of mesoscale auroral cavities at an altitude of 1700 km. Freja's orbital period of 109 min enabled a very large data set of cavity occurrences to be collected.

Place, publisher, year, edition, pages
AMER GEOPHYSICAL UNION , 1999. Vol. 104, no A8, 17201-17215 p.
Keyword [en]
KILOMETRIC RADIATION; DENSITY DEPLETIONS; HIGH-LATITUDE; FREJA; REGION; MAGNETOSPHERE; MODEL
Identifiers
URN: urn:nbn:se:uu:diva-66809OAI: oai:DiVA.org:uu-66809DiVA: diva2:94720
Note
Addresses: Makela JS, Finnish Meteorol Inst, POB 503, FIN-00101 Helsinki, Finland. Finnish Meteorol Inst, FIN-00101 Helsinki, Finland. Univ Helsinki, Dept Phys, Helsinki, Finland. Aerospace Corp, El Segundo, CA 90245 USA. Johns Hopkins Univ, Appl Phys LabAvailable from: 2008-10-17 Created: 2008-10-17 Last updated: 2011-01-14

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