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Flux transfer events on the magnetopause - Spatial distribution and controlling factorsThe spatial distribution of flux transfer events (FTE) of magnetic flux tubes pulled from the earth's magnetopause is analyzed using ISEE 1 and 2 data from 1977-82. Attention is given to interplanetary conditions influencing different observed FTE polarities. FTEs were observed on nearly 25 percent of the passes near the dayside magnetopause. Direct FTEs were located mainly in the northern dawn sector and reverse FTEs appeared in the southern dusk sector. The distribution indicated an origin in the equatorial sector, and data correlate the appearance of FTEs only when the interplanetary magnetic field (IMF) had southward or nearly horizontal orientation. The presence of a southward component in the IMF was coincident with the appearance of an FTE 45 percent of the events. E-W components in the IMF exhibited no connections with the occurrence of an FTE.
Document ID
19840061273
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Berchem, J.
(California Univ. Los Angeles, CA, United States)
Russell, C. T.
(California, University Los Angeles, CA, United States)
Date Acquired
August 12, 2013
Publication Date
August 1, 1984
Publication Information
Publication: Journal of Geophysical Research
Volume: 89
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
84A44060
Funding Number(s)
CONTRACT_GRANT: NAS5-25772
Distribution Limits
Public
Copyright
Other

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