Gravity wave fluxes of O3 and OH at the nightside mesopause

Details Gravity wave fluxes of O3 and OH at the nightside mesopause Gravity wave fluxes of O3 and OH at the nightside mesopause

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989georl..16..719w&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 16, July 1989, p. 719-722.

Physics

20

Gravity Waves, Hydroxyl Radicals, Mesopause, Night Sky, Ozonometry, Atmospheric Chemistry, Atmospheric Composition, Atmospheric Models, Flux Quantization

Scientific paper

A dynamical-chemical model has been used to calculate concentration fluctuations, fluxes, mixing ratio fluxes, and flux divergences of the minor constituents OH, O3, HO2, H, and O driven by gravity waves propagating through the nightside mesopause region. It is found that gravity wave fluxes of O3 can cause large changes in O3 number densities in times comparable to the O3 chemical time constant, making them a major contributor to the balance that determines O3 concentrations at the mesopause. It is noted that wave fluxes can alter OH concentrations indirectly through the modification of O3 number densities and the rapid adjustment of OH to O3. Through the modulation of the intensity and intrinsic frequency of gravity wave activity, tides can force diurnal and semidiurnal variations in the divergence of O3 and OH waves fluxes.

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