IMF control of the earth's magnetosphere

Details IMF control of the earth's magnetosphere IMF control of the earth's magnetosphere

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ssrv...34..185n&link_type=abstract

(COSPAR, IAU, IUGG, IUPAP, and URSI, International Symposium on Progress in Solar-Terrestrial Physics, 5th, Ottawa, Canada, May

Physics

25

Astronomical Models, Earth Magnetosphere, Geomagnetism, Interplanetary Magnetic Fields, Solar Wind, Equatorial Atmosphere, International Sun Earth Explorers, Magnetic Disturbances, Magnetic Flux, Magnetopause, Polarity

Scientific paper

Recent progress in theories of IMF control of the earth's magnetosphere through the reconnection process is discussed, with attention to the identification of the magnetopause structure under the southward IMF polarity as the rotational discontinuity, and the consequent inference of reconnection line formation in the equatorial region. Also noted is the confirmation, by aspects of observations, of the reconnection's occurrence under the northward IMF in the polar cusp. Critical studies have reaffirmed the view that the energy supplied by reconnection is partially transported directly to the ionosphere, where it drives the DP-2-type current system, but in addition is partly stored in the tail magnetic field, to be unloaded 0.5-1.0 hours later and produce the expansion substorm phase.

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