Physics
Scientific paper
Oct 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jgr....89.8919s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 89, Oct. 1, 1984, p. 8919-8939. Research supported by the Lockheed Indepe
Physics
14
Atmospheric Composition, Energetic Particles, Ionospheric Ion Density, Magnetic Storms, Plasma Diagnostics, Space Plasmas, Convection, Mass Spectroscopy, Scatha Satellite
Scientific paper
Mass composition data acquired during the storm period of February 21 and 22, 1979 are presented and analyzed. Near-geosynchronous data from the SCATHA spacecraft are described, giving the data in spectrogram format. Low-altitude data from the S3-3 spacecraft are presented, and it is shown that they raise questions concerning the evolution of the low-altitude, 0.5-16 keV/q plasma population after the main phase of magnetic storms. The importance of convection as an explanation of the signatures found in the low-altitude S3-3 data is considered. Some work concerning steady state convection models is summarized, pointing out those aspects of the theory relevant to the S3-3 data. Results from the theory are applied to those data, which are also displayed in spectrogram format. The results are discussed, using the geosynchronous composition data as a monitor of the source of the injected plasma.
Johnson Richard G.
Strangeway Robert J.
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