Computer Science
Scientific paper
Mar 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978p%26ss...26..269c&link_type=abstract
Planetary and Space Science, vol. 26, Mar. 1978, p. 269-279.
Computer Science
20
Atmospheric Models, Computer Programs, Earth Magnetosphere, Magnetic Signatures, Magnetic Storms, Pattern Recognition, Statistical Analysis, Auroral Electrojets, Flux Density, H Waves, Interplanetary Magnetic Fields, Magnetopause, Midlatitude Atmosphere, Time Measurement
Scientific paper
Daily magnetograms from a midlatitude network of geomagnetic observatories were used in the analysis of approximately 1800 substorm events, and the characteristic magnetic signatures of magnetospheric substorms both on the ground and in space were determined. Auroral electrojet (AE) indices and individual magnetograms at different local times in the auroral zone and at midlatitudes were analyzed with reference to onsets, and superposed epoch averages of individual magnetograms and AE indices confirm the local time magnetic substorm signatures. Superposed epoch averages of the interplanetary magnetic field (IMF) associated with the onsets demonstrates both a distinct southward component prior to the onsets and a dependence of the substorm amplitude on the integrated preceding southward IMF flux. Superposed epoch averages of the tail lobe magnetic field magnitude and vector components are discussed.
Caan M. N.
McPherron Robert L.
Russell Christopher T.
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