Physics – Atomic Physics
Scientific paper
May 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.2171t&link_type=abstract
Journal of Geophysical Research, vol. 85, May 1, 1980, p. 2171-2176.
Physics
Atomic Physics
2
Nitrogen Ions, Photochemical Reactions, Solar Activity Effects, Solar Cycles, Solar Terrestrial Interactions, Charge Exchange, Far Ultraviolet Radiation, Ion Recombination, Photoionization, Quenching (Atomic Physics)
Scientific paper
Thermospheric and ionospheric data obtained on 12 orbits throughout 1978 are analyzed using the chemical scheme established during 1974 when the solar EUV intensities were less than half of those encountered in 1978. It is shown that this scheme, with some modification, applies to the more active period. Photoionization of N2 is found to be the major source of N2(+) in the F2 layer, by contrast with the charge exchange reaction of O+(2D) with N2, which was dominant for the lower solar activity. The results confirm the laboratory measurements of the dissociative recombination rate coefficient for N2 with electrons, as well as the theoretically calculated rate coefficient for the quenching of O+(2D) by electrons.
Ong Rene A.
Torr Douglas G.
Torr Marsha R.
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