Physics
Scientific paper
Jan 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....93..115b&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Jan. 1, 1988, p. 115-136.
Physics
77
Auroral Zones, Electric Fields, F Region, Kelvin-Helmholtz Instability, Periodic Variations, Polar Regions, Velocity Distribution, Dynamics Explorer 2 Satellite, Field Aligned Currents, Particle Precipitation, Plasma Density, Power Spectra, Temperature Measurement, Upper Ionosphere
Scientific paper
A detailed study is presented of simultaneous density and electric field fluctuation spectra over a large-scale length range seen in association with large structured convective plasma flows, field-aligned currents, and particle precipitation at high latitudes. The data were obtained for two Dynamics Explorer 2 orbits at two different altitudes within the F region and the topside ionosphere. The observations are compared with results of nonlinear simulations of shear flow-driven instabilities and predictions based on two-dimensional turbulence arguments, with particular reference to the Kelvin-Helmholtz process.
Basu Santimay
Basu Sunanda
Coley William R.
David Winningham J.
Fougere Paul F.
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