Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977azh....54.1335b&link_type=abstract
Astronomicheskii Zhurnal, vol. 54, Nov.-Dec. 1977, p. 1335-1345. In Russian.
Astronomy and Astrophysics
Astronomy
1
Earth Magnetosphere, Magnetic Storms, Magnetohydrodynamic Flow, Ring Currents, Solar Wind, Correlation Coefficients, Geomagnetism, Interplanetary Magnetic Fields, Particle Flux Density, Statistical Analysis, Time Dependence
Scientific paper
The relation between the parameter (q) characterizing the total energy of particles injected per hour into the region of the magnetospheric ring current and parameters of the solar-wind plasma and magnetic field in near-earth space ahead of the bow shock is investigated statistically as well as by comparing temporal variations in the parameters considered. Data on eight sporadic (i.e., flare-induced) geomagnetic storms ranging in intensity from moderate to very severe are used in the analysis. It is found that q is correlated not only with the intensity and direction of the z-component of the solar-wind magnetic field but also with the variability of the total magnetic-field vector. The results also indicate that solar-wind flow velocity affects average storm intensity, but temporal variations of that velocity are not correlated with q.
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