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Multipoint observations of a small substormResults are presented of multipoint observations of a small substorm which occurred at about 0110 UT on April 25, 1985, carried out by AMPTE CCE, AMPTE IRM, DMSP F6, and DMSP F7, as well as by ground auroral stations and midlatitude stations. These data yield information on the latitudinal extent of the polar cap and provide visual identification of substorm aurorae, magnetic perturbations produced directly beneath aurorae, and the situ magnetic field. In addition, they provide magnetic-particle observations of the disruption of the cross-tail current sheet and observations concerning the spatial expansion of the current disruption region. Evidence is presented that the current sheet disruption observed by CCE in the neutral sheet was located on field lines which mapped to the westward traveling surge observed directly overhead of the ground station at Syowa.
Document ID
19910030166
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lopez, R. E.
(Johns Hopkins Univ. Laurel, MD, United States)
Anderson, B. J.
(Johns Hopkins Univ. Laurel, MD, United States)
Newell, P. T.
(Johns Hopkins Univ. Laurel, MD, United States)
Mcentire, R. W.
(Johns Hopkins University Laurel, MD, United States)
Luehr, H.
(Braunschweig, Technische Universitaet Brunswick, Federal Republic of Germany, United States)
Date Acquired
August 15, 2013
Publication Date
November 1, 1990
Publication Information
Publication: Journal of Geophysical Research
Volume: 95
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
91A14789
Funding Number(s)
CONTRACT_GRANT: N00039-87-C-5301
Distribution Limits
Public
Copyright
Other

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