Computer Science – Sound
Scientific paper
Jun 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976georl...3..305t&link_type=abstract
Geophysical Research Letters, vol. 3, June 1976, p. 305-308.
Computer Science
Sound
3
Charged Particles, Electron Energy, F Region, Ionospheric Sounding, Satellite Observation, Synoptic Measurement, Electron Flux Density, Midlatitude Atmosphere, Night Sky, Nocturnal Variations, Proton Energy, Proton Flux Density
Scientific paper
Measurements have been made by the low energy electron experiment (LEE) on the Atmosphere Explorer-C satellite (AE-C) of electrons and protons in the energy range 0.2 to 26 keV. Data taken in the altitude range 250 to 300 km during the period 15 December 1973 to 25 May 1975 are analyzed. Measurements were made over a range of magnetic latitudes extending from the equator to 80 deg. The average electron flux at midlatitudes at night is found to be about (1-5) x 10 to the -4 ergs/sq cm/s, and increases by about an order of magnitude during the day. The upper limit for the nighttime and daytime proton energy flux is about 1 x 10 to the -4th ergs/sq cm/s. The total nighttime energy flux will result in a production rate of .3 to 10 ions/cu cm/s at the base of the F region and in the D region, respectively, and should constitute an important source of ionization in the nocturnal ionosphere.
Hoffman Robert A.
Torr Douglas G.
Torr Marsha R.
Walker James C. G.
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