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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 33, issue 7
Ann. Geophys., 33, 923-930, 2015
https://doi.org/10.5194/angeo-33-923-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 33, 923-930, 2015
https://doi.org/10.5194/angeo-33-923-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

ANGEO Communicates 27 Jul 2015

ANGEO Communicates | 27 Jul 2015

Several notes on the OH* layer

M. Grygalashvyly M. Grygalashvyly
  • Leibniz Institute of Atmospheric Physics at the University of Rostock in Kühlungsborn, Schloss-Str. 6, 18225 Ostseebad Kühlungsborn, Germany

Abstract. This brief note introduces several analytical approaches to OH* layer parameters. The number density and height of the OH* layer peak are determined by the distributions of atomic oxygen and temperature, and by corresponding vertical gradients. The theory can be applied to satellite-borne and ground-based airglow measurements, as well as to model results.

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The expressions that determine the altitude and number density at peak of the OH* layer were derived. OH* number density in the vicinity of the OH* layer is directly proportional to the atomic oxygen concentration and inversely proportional to the power of temperature. The peak of the layer number density is anti-correlated with the height of the peak. Atomic oxygen is responsible for the vertical separation of sub-layers with different vibrational numbers, and for the distance between them.
The expressions that determine the altitude and number density at peak of the OH* layer were...
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