Abstract The development of significantly improved representations of solar EUV inputs for computer-aided investigations of the terrestrial thermosphere and ionosphere has become attractive particularly for the present solar cycle which has been covered by reasonably complete and continuous EUV observations from the AE-E Satellite. These representations try to satisfy some rather incongruous , regarding (a) the strong wavelength-dependence in the atmospheric cross sections of the various types of EUV photon interactions, (b) the great differences in the relative amplitudes of the various types of variations in the full-disk fluxes of emissions at different wavelengths, and (c) the persisting desire to use only a as actual input variables for computational models supposed to cover the entire EUV wavelength range (remembering the great success of empirical thermospheric models using only two indices). These general physical and specific aeronomical demands indeed outline a very difficult task. The present study, based mainly on AE-E satellite observations during 1976–1979, represents an exploratory step, only clarifying some important developmental aspects, without recommending any specific formulations for immediately practicable adoption in aeronomical modelling at this time.
Representations of solar EUV fluxes for aeronomical applications
Advances in Space Research ; 1 , 12 ; 39-52
1981-01-01
14 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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