Physics
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jgr....88.6969b&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 88, Sept. 1, 1983, p. 6969-6980. Research supported by the Deutsche Forsc
Physics
57
Convective Flow, Geomagnetic Tail, Magnetohydrodynamic Flow, Plasma Compression, Self Consistent Fields, Solar Wind, Three Dimensional Flow
Scientific paper
The present three-dimensional extension of the Schindler and Birn (1982) self-consistent theory of time-dependent convection in the earth's magnetotail includes a more realistic tail geometry, and confirms that a steady state solution implies either an unrealistic tail geometry or large particle or energy losses that are unrealistic during quiet times. It is accordingly concluded that, as in the two-dimensional case, the magnetotail becomes time-dependent for typical convective electric fields. Consequences of time-dependent convection are demonstrated in view of two idealized cases of magnetosphere response to solar wind changes: uniform compression as the likely consequence of increasing solar wind pressure, and compression in the z direction, perpendicular to the plasma sheet, as the probable consequence of a dawn-to-dusk external electric field.
Birn Joachim
Schindler Karl
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