A factor of 2 reduction in theoretical F2 peak electron density due to enhanced vibrational excitation of N2 in summer at solar maximum

Details A factor of 2 reduction in theoretical F2 peak electron density due to enhanced vibrational excitation of N2 in summer at solar maximum A factor of 2 reduction in theoretical F2 peak electron density due to enhanced vibrational excitation of N2 in summer at solar maximum

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jgr....9111331r&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 91, Oct. 1, 1986, p. 11331-11336.

Physics

57

Atmospheric Chemistry, F 2 Region, Ionospheric Electron Density, Nitrogen, Solar Maximum Mission, Summer, Chemical Reactions, Oxygen Ions, Reaction Kinetics, Solar Activity Effects, Thermosphere

Scientific paper

The degree to which the O(+) + N2 reaction rate is increased as a result of enhanced vibrational excitation of the N2 molecule in the thermosphere was investigated. It is found that the reaction rate may be sufficiently elevated in summer at solar maximum to decrease the peak O(+) density by a factor of 2, but there is only a small reduction in the winter peak density. Therefore the vibrational excitation of N2 acts to increase the magnitude of the seasonal anomaly. This work emphasizes the need for more laboratory work to clear up uncertainties in some of the key parameters.

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