Physics
Scientific paper
Aug 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82.3319k&link_type=abstract
Journal of Geophysical Research, vol. 82, Aug. 1, 1977, p. 3319-3323.
Physics
2
Airglow, Auroral Zones, Electron Flux Density, Ion Density (Concentration), Nitrogen Ions, Satellite Observation, Cations, Electric Fields, Electron Energy, Explorer Satellites, Night Sky, Proton Energy, Proton Precipitation
Scientific paper
Visual airglow and low-energy electron experiment data from the Atmosphere Explorer D satellite are used to measure variations in N2(+) density and mixing in the nighttime auroral zone. The intensity of the 4278-A N2(+) emission, proportional to energy flux deposited in N2 by energetic electrons, is determined by a method which corrects for ground reflection affecting the satellite data. Calculations related to electron energy flux are found to show a slight variance from the theoretical predictions of Rees and Luckey (1974). Evidence for high-energy proton precipitation on the southern edge of the aurora and for the presence of parallel electric fields in the altitude range 150 to 800 km is also discussed.
Hays Paul B.
Kasting James F.
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