A method for the retrieval of atomic oxygen density and temperature profiles from ground-based measurements of the O(+)(2D-2P) 7320 A twilight airglow

Details A method for the retrieval of atomic oxygen density and temperature profiles from ground-based measurements of the O(+)(2D-2P) 7320 A twilight airglow A method for the retrieval of atomic oxygen density and temperature profiles from ground-based measurements of the O(+)(2D-2P) 7320 A twilight airglow

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....96.1263f&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 96, Feb. 1, 1991, p. 1263-1273.

Physics

9

Airglow, Atmospheric Temperature, Oxygen Atoms, Oxygen Ions, Temperature Profiles, Twilight Glow, Ionization Cross Sections, Photoionization, Solar Flux, Ultraviolet Radiation

Scientific paper

This paper describes a technique for extracting thermospheric profiles of the atomic-oxygen density and temperature, using ground-based measurements of the O(+)(2D-2P) doublet at 7320 and 7330 A in the twilight airglow. In this method, a local photochemical model is used to calculate the 7320-A intensity; the method also utilizes an iterative inversion procedure based on the Levenberg-Marquardt method described by Press et al. (1986). The results demonstrate that, if the measurements are only limited by errors due to Poisson noise, the altitude profiles of neutral temperature and atomic oxygen concentration can be determined accurately using currently available spectrometers.

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