Physics
Scientific paper
Feb 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jatp...57..177k&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 57, no. 2, p. 177-186
Physics
1
Auroral Zones, Earth Ionosphere, Ionospheric Conductivity, Ionospheric Storms, Dmsp Satellites, Hall Effect, Ionospheric Currents, Magnetic Effects, Meridional Flow, Particle Acceleration, Position (Location), Precipitation Particle Measurement
Scientific paper
Measurements of precipitating particles on board Defense Meteorological Satellite Program (DMSP) F7 spacecraft are used to analyze the distribution of ionospheric conductance in the midnight auroral zone during substorms. The distribution is compared with the meridional profile of ionospheric currents calculated from magnetic data from the Kara meridional chain. Two regions of high Hall conductance are found; one of them is the traditional auroral zone, at latitudes 64-68 deg, and the other is a narrow band at latitudes 70-73 deg. The position of high conductance zones is in agreement with the location of the intense westward currents. The accelerated particle population is typical of electrons E(sub e) greater than 5 keV in the high conductance region.
Kotikov A. L.
Sergienko T. I.
Shishkina E. M.
Troshichev Oleg A.
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