Title: An attempt to derive electron energy spectra for auroral daytime precipitation events
Abstract: Abstract A set of quiet daytime electron density profiles is established on the basis of EISCAT measurements. This set is used as a background correction in the CARD program [ Brekke A. , Hall C. and Hansen T.L. (1989) Ann . Geophysicae 7 , 269] in order to derive the energy spectra of precipitating electrons at daytime. For disturbed daytime events on 25–26 June 1985, we find that the particle precipitation typically consists of small fluxes (10 5 el/cm 2 sster keV) of high energetic particles (20–30 keV). The Hall: Pedersen conductance ratios for such events are found to be meaningless as an indicator of the energy of the particles, in contrast to nighttime precipitation.
Publication Year: 1990
Publication Date: 1990-06-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 6
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