Physics
Scientific paper
Jan 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....96...35n&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 96, Jan. 1, 1991, p. 35-45.
Physics
120
Earth Magnetosphere, Magnetosheath, Plasma Sheaths, Plumes, Auroras, Cusps, Energy Dissipation, Magnetic Signatures, Particle Precipitation
Scientific paper
It has been shown that direct injection of magnetosheath plasma into the cusp produces, at low altitude, a precipitation regime with an energy-latitude dispersion, the more poleward portion of which is termed 'cusp plume'. In this paper, evidence is presented, based on DMSP F7 and F9 32 eV to 30 keV precipitating particle data, that a signature quite similar to the cusp plume, with greatly reduced densities but with the same ranges of temperature and flow velocity and the same characteristic dispersion signatures occurs in a longitudinally broad ring just poleward of the dayside auroral oval.
Burke William J.
Greenspan Marian E.
Meng Ching I.
Newell Patrick T.
Sanchez Ennio R.
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