Temperature sounding from the absorption spectrum of CO2 at 4.3 microns

Details Temperature sounding from the absorption spectrum of CO2 at 4.3 microns Temperature sounding from the absorption spectrum of CO2 at 4.3 microns

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apopt..16.2661t&link_type=abstract

Applied Optics, vol. 16, Oct. 1977, p. 2661-2668.

Computer Science

Sound

5

Absorption Spectra, Atmospheric Temperature, Carbon Dioxide, Mesosphere, Stratosphere, Temperature Profiles, Atmospheric Models, Atmospheric Optics, Balloon Sounding, Satellite Observation, Solar Spectra, Spectral Line Width, Temperature Measurement

Scientific paper

A new method is described for obtaining the temperature profile in the stratosphere and lower mesosphere from observations of the absorption spectrum of the high J lines of carbon dioxide at 4.3 microns. This concept is based upon the measurement of the integrated absorption of individual CO2 lines whose strengths depend strongly on temperature and that the absorption of these lines are obtained from measurements of the solar or stellar spectrum through an atmospheric path. The technique involves a rapidly converging iterative process in which the equivalent widths of the individual vibration-rotation lines of CO2 are used. Theoretical calculations are presented for balloon and satellite observations using a model atmosphere. Experimental results are given from spectra obtained with a balloon-borne Fourier interferometer spectrometer in which the sun was observed at low zenith angles. The experimental results are compared to rocketsonde data.

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