Computer Science
Scientific paper
Jun 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987p%26ss...35..769o&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 35, June 1987, p. 769-784. NASA-supported research.
Computer Science
13
Atmospheric Chemistry, Atmospheric Composition, Oxygen, Photodissociation, Herzberg Bands, Oxygen 18, Quantum Numbers, Reaction Kinetics, Schumann-Runge Bands, Vibrational Spectra
Scientific paper
Line-by-line calculations are performed to determine the contributions of the Schumann-Runge bands of ordinary and isotopic oxygen to the photodissociation of these molecules at different altitudes. The contributions to the dissociation rates of the satellite lines and of the first and higher vibrational states of the initial molecular states are found to be insignificant. At 70 km, (O-16)(O-18) is found to produce 10 times as much odd oxygen as would be produced if the isotope did not have selective absorption, and 6 percent of the odd oxygen produced is due to this isotope. It is noted that the excess odd oxygen produced is not enough to explain the excess quantity of ozone observed in the atmosphere, which cannot be accounted for in photochemical models. Comparison with previous results is made.
Frederick John E.
Omidvar Kazem
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