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Topology of magnetic flux ropes and formation of fossil flux transfer events and boundary layer plasmasA mechanism for the formation of fossil flux transfer events and the low-level boundary layer within the framework of multiple X-line reconnection is proposed. Attention is given to conditions for which the bulk of magnetic flux in a flux rope of finite extent has a simple magnetic topology, where the four possible connections of magnetic field lines are: IMF to MSP, MSP to IMF, IMF to IMF, and MSP to MSP. For a sufficient relative shift of the X lines, magnetic flux may enter a flux rope from the magnetosphere and exit into the magnetosphere. This process leads to the formation of magnetic flux ropes which contain a considerable amount of magnetosheath plasma on closed magnetospheric field lines. This process is discussed as a possible explanation for the formation of fossil flux transfer events in the magnetosphere and the formation of the low-latitude boundary layer.
Document ID
19930046826
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lee, L. C.
(NASA Headquarters Washington, DC United States)
Ma, Z. W.
(NASA Headquarters Washington, DC United States)
Fu, Z. F.
(NASA Headquarters Washington, DC United States)
Otto, A.
(Alaska Univ. Fairbanks, United States)
Date Acquired
August 16, 2013
Publication Date
March 1, 1993
Publication Information
Publication: Journal of Geophysical Research
Volume: 98
Issue: A3
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
93A30823
Funding Number(s)
CONTRACT_GRANT: NSF ATM-91-1150
CONTRACT_GRANT: DE-FG06-86ER-13530
Distribution Limits
Public
Copyright
Other

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