Computer Science
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ge%26ae..48..747k&link_type=abstract
Geomagnetism and Aeronomy, Volume 48, Issue 6, pp.747-758
Computer Science
4
94.30.Jp, 94.30.Lr, Magnetic Storms, Substorms
Scientific paper
The ring current dynamics during the magnetic storm has been studied in the work. The response of the magnetospheric current systems to the external influence of the solar wind, specifically, resulting in the development of the asymmetric ring current component, has been calculated using the magnetic field paraboloid model. The asymmetric ring current has been considered as a family of spatial current circuits in the Northern and Southern hemispheres, composed of the zones of the partial ring current in the geomagnetic equator plane, which close through the system of field-aligned currents into the ionosphere. The value of the total partial ring current has been estimated by comparing the calculated asymmetry of the magnetospheric magnetic field at the geomagnetic equator with the value of the Asym-H geomagnetic index. The variations in the symmetric and asymmetric components of the ring current magnetic field have been calculated for the magnetic storm of November 6-14, 2004. The contributions of the magnetospheric current systems to the Dst and AU geomagnetic indices have been calculated.
Alexeev Igor I.
Bakhmina Yu. K.
Belenkaya Elena S.
Feldstein Ya. I.
Ganushkina N. V.
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