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Dayside pulsation events near the plasmapauseMagnetic field observations of four dayside pulsation events detected near the equatorial plasmapause region on August 23, 24, September 30, and October 10, 1982 are examined. The wave characteristics and the magnetic components of the pulsation events obtained from DE-1 satellite data and ground data from Siple, Antarctica are described and compared. The pulsations displayed similar complex wave structures; long period transverse waves greater than 100 s are the fundamental mode oscillations of magnetic shells and short period waves of 20-40 s are superimposed on them. It is observed that wave bursts are present in all frequency ranges. The relationship between eigenperiod and the magnetic shell is studied.
Document ID
19860045581
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0032-0633(86)90112-1
Authors
Lin, N. G. (California, University Los Angeles, United States)
Cahill, L. J. (California Univ. Los Angeles, CA, United States)
Engebretson, M. J. (Augsburg College Minneapolis, MN, United States)
Sugiura, M. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Arnoldy, R. L. (New Hampshire, University Durham, United States)
Date Acquired
August 12, 2013
Publication Date
February 1, 1986
Publication Information
Publication: Planetary and Space Science
Volume: 34
ISSN: 0032-0633
Subject Category
Geophysics
Accession Number
86A30319
Funding Number(s)
CONTRACT_GRANT: NSF DPP-81-20957
CONTRACT_GRANT: NAS5-25389
Distribution Limits
Public
Copyright
Other

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