Effects of vibrational enhancement of N2 on the cooling rate of ionospheric thermal electrons

Details Effects of vibrational enhancement of N2 on the cooling rate of ionospheric thermal electrons Effects of vibrational enhancement of N2 on the cooling rate of ionospheric thermal electrons

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jgr....91..304r&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 91, Jan. 1, 1986, p. 304-310.

Physics

34

Cooling, Earth Ionosphere, Energy Transfer, Hot Electrons, Molecular Excitation, Nitrogen, F Region, Photoelectrons, Solar Radiation

Scientific paper

It is shown that the cooling rate of ionospheric thermal electrons by molecular nitrogen may be reduced by more than a factor of 3 as a result of the enhanced vibrational excitation of N2 from a number of chemical sources. Furthermore, under conditions of enhanced F region electron densities (greater than 10 to the 6 per cubic centimeter), N2 may act as a small net source rather than as a sink of electron thermal energy. The object of the study is to use results of the Atmospheric Explorer program and improved laboratory reaction rate measurements to evaluate the impact of N2 vibrational on the transfer of energy between N2 and thermal electrons.

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