Other
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jgr....9113433s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 91, Dec. 1, 1986, p. 13433-13454.
Other
38
Geomagnetism, Magnetic Flux, Magnetic Storms, Plasmasphere, Geos 2 Satellite, Hydrogen Ions, Magnetohydrodynamics, Plasma Density, Shock Wave Propagation, Supersonic Flow
Scientific paper
The refilling of plasmaspheric flux tubes was studied by assuming that the protonosphere provides an ionospheric boundary where the H(+) density can be assumed; the supersonic flow in the flux tube is driven by the depletion of the plasma from the flux tube, while the base density and pressure in the protonosphere remain constant. The time-dependent continuity and momentum equations for the H(+) ions were solved. The electron gas was assumed to obey the Boltzmann law, and the proton gas was assumed to be isothermal. In agreement with the postulate of Banks et al. (1971), it was found that an important feature of the refilling is the formation of a shock pair at the equator; as the shocks propagate toward the ionosphere, the refilling occurs. Depending on the density at the ionospheric boundaries, a fair agreement was found between the refilling rates obtained for L = 6.6 and those from the GEOS 2 observations.
Schunk Robert W.
Singh Nagendra
Thiemann Heinz
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