A potential new source of OH and odd-nitrogen in the atmosphere

Details A potential new source of OH and odd-nitrogen in the atmosphere A potential new source of OH and odd-nitrogen in the atmosphere

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20...25t&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 1, p. 25-28.

Physics

10

Atmospheric Chemistry, Atmospheric Composition, Nitrogen Oxides, Ozone, Reaction Products, Atmospheric Models, Electron States, Hydroxyl Radicals

Scientific paper

The oxidation of H2 and N2O by the second electronically excited state of oxygen, O2(b1Sigma-g(+)), is theoretically possible and proposed as an atmospheric source of HO(x) (OH+HO2) and NO(x) (NO+NO2) radicals, which play a key role in controlling global ozone. If only 1 percent of the quenching of O2(b1Sigma-g(+)) by H2 and N2O results in the proposed oxidation products (OH and NO+NO2), then model calculations predict a significant production of these radicals in exactly those regions of the atmosphere where current models seem to fail.

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