Middle atmosphere heating by exothermic chemical reactions involving odd-hydrogen species

Details Middle atmosphere heating by exothermic chemical reactions involving odd-hydrogen species Middle atmosphere heating by exothermic chemical reactions involving odd-hydrogen species

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991georl..18...37m&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 18, Jan. 1991, p. 37-40.

Other

48

Atmospheric Heating, Exothermic Reactions, Hydrogen, Hydroxyl Radicals, Middle Atmosphere, Atmospheric Chemistry, Atmospheric Heat Budget, Molecular Relaxation

Scientific paper

The rate of heating which occurs in the middle atmosphere due to four exothermic reactions involving members of the odd-hydrogen family is calculated. The following reactions are considered: O + OH yields O2 + H; H + O2 + M yields HO2 + M; H + O3 yields OH + O2; and O + HO2 yields OH + O2. It is shown that the heating rates due to these reactions rival the oxygen-related heating rates conventionally considered in middle-atmosphere models. The conversion of chemical potential energy into molecular translational energy (heat) by these odd-hydrogen reactions is shown to be a significant energy source in the middle atmosphere that has not been previously considered.

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