Physics – Optics
Scientific paper
Oct 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987georl..14.1023l&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 14, Oct. 1987, p. 1023-1026.
Physics
Optics
4
Atmospheric Conductivity, Atmospheric Optics, Electron Precipitation, Light Modulation, Lightning, Atmospheric Models, Particle Precipitation, Radiation Belts, Satellite Observation
Scientific paper
Fast atmospheric light pulstions (FAPs) consist of millisecond time-scale bursts of light which have been observed at L = 1.5-2.2 during searches for atmospheric light emissions associated with supernovae. Here, it is proposed that FAPs are in fact optical signatures of lightning-induced electron precipitation events associated with the not-less-than-2-MeV electrons of the inner radiation belt. These electrons would precipitate at low altitudes and could be modulated with time scales the order of 1 ms. The total loss rate of electrons from the inner belt resulting from these events would be comparable to, but somewhat smaller than, the loss rate due to Coulomb scattering.
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