Computer Science – Sound
Scientific paper
Aug 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.6713m&link_type=abstract
Journal of Geophysical Research, vol. 86, Aug. 1, 1981, p. 6713-6726.
Computer Science
Sound
142
Geomagnetism, Magnetospheric Instability, Plasma Jets, Polar Substorms, Satellite Observation, Ats 6, Compression Waves, Electron Beams, Electron Precipitation, Geosynchronous Orbits, Ionospheric Sounding, Ionospheric Storms, Plasma Interactions, Plasma Layers, Satellite-Borne Instruments, Scatha Satellite, Secondary Injection, Spectral Energy Distribution
Scientific paper
It is argued that a series of two-satellite observations leads to a clarification of substorm plasma injection, in which boundary motion plays a major role. Emphasis is put on a type of event characterized by abrupt, dispersionless changes in electron intensity and a coincident perturbation that consists of both a field magnitude increase and a small rotation toward more dipolar orientation. Comparing plasma observations at two points, it is found that in active, preinjection conditions the two most important features of the plasma sheet are: (1) the low-energy convection boundary for near-zero energy particles, determined by the magnitude of the large-scale convection electric field; and (2) the precipitation-flow boundary layer between the hot plasma sheet and the atmospherically contaminated inner plasma sheet.
Arnoldy Roger L.
Feynman Joan
Hardy David A.
Moore Thomas Earle
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