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An evaluation of recent quantitative magnetospheric magnetic field modelsMagnetospheric field models involving dipole tilt effects are discussed, with particular reference to defined magnetopause models and boundary surface models. The models are compared with observations and with each other whenever possible. It is shown that models containing only contributions from magnetopause and tail current systems are capable of reproducing the observed quiet time field just in a qualitative way. The best quantitative agreement between models and observations take place when currents distributed in the inner magnetosphere are added to the magnetopause and tail current systems. One region in which all the models fall short is the region around the polar cusp. Obtaining physically reasonable gradients should have high priority in the development of future models.
Document ID
19760060256
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Walker, R. J.
(Minnesota, University Minneapolis, Minn., United States)
Date Acquired
August 8, 2013
Publication Date
August 1, 1976
Publication Information
Publication: Reviews of Geophysics and Space Physics
Volume: 14
Subject Category
Geophysics
Accession Number
76A43222
Funding Number(s)
CONTRACT_GRANT: NSG-07-005
Distribution Limits
Public
Copyright
Other

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