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Mapping the fluid flow and shear near the core surface using the radial and horizontal components of the magnetic fieldThe problem of calculating the temporal evolution of both the radial and horizontal poloidal components of a field, given an initial field and the flow and shear, is first considered. Attention is then given to the inverse problem of determining the flow and shear, given an initial field and its temporal evolution. The nonuniqueness inherent in such inversions is discussed, and it is shown that part of the nonuniqueness in the shear is closely related to that in the flow derived from just the radial induction equation.
Document ID
19910048101
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Jackson, Andrew
(Harvard Univ. Cambridge, MA, United States)
Bloxham, Jeremy
(Harvard University Cambridge, MA, United States)
Date Acquired
August 14, 2013
Publication Date
April 1, 1991
Publication Information
Publication: Geophysical Journal International
Volume: 105
ISSN: 0955-419X
Subject Category
Geophysics
Accession Number
91A32724
Funding Number(s)
CONTRACT_GRANT: NAG5-918
Distribution Limits
Public
Copyright
Other

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