Other
Scientific paper
Apr 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990p%26ss...38..529h&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 38, April 1990, p. 529-537.
Other
12
Nightglow, Reaction Kinetics, Solar Mesosphere Explorer, Solar Terrestrial Interactions, Abundance, Concentration (Composition), Diurnal Variations, Infrared Radiation, Oxygen Afterglow, Radiative Lifetime
Scientific paper
Solar Mesosphere Explorer (SME) observations of the 3 a.m. 1.27 micron nightglow at 45 N latitude are reported. From the deduced volume emission rates, the O2(a 1 Delta g) nighttime production rates for the 80-100 km altitude range are derived. Utilizing the mean SME-acquired 3 p.m. ozone profile for the same latitude and time period and an updated photochemical model, nighttime O, O3, H, OH, HO2, and H2O2 profiles are determined. These are used in calculating the rates of reactions which are sufficiently exothermic to produce O2(1 Delta) or excited states of OH or HO2, which could transfer their energy to O2 to form O2(1 Delta). Yields of O2(1 Delta) based on published laboratory and observational studies are used to find that the sum of two reaction sequences can approximate the SME measurements: (1) O + O + M and (2) H + O3 followed by OH-asterisk + O2.
Allen Mark
Howell Colin D.
Michelangeli Diane V.
Thomas Ronald J.
Yung Yuk L.
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