Atmospheric winds from occultation spectra

Details Atmospheric winds from occultation spectra Atmospheric winds from occultation spectra

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apopt..24.2433s&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 24, Aug. 1, 1985, p. 2433-2436. Research supported by Ohio State University and California

Physics

Optics

1

Atmospheric Circulation, Solar Spectra, Stellar Occultation, Wind Velocity Measurement, Winds Aloft, Atmospheric Stratification, Gas Spectroscopy, Line Shape, Vertical Motion

Scientific paper

Relative wind speeds along the lines-of-sight of rays are obtainable with 5 m/sec precision or better, at altitudes of up to 100 km, through the measurement of the mean shifts of hundreds of lines in solar occultation spectra. This is presently demonstrated for the case of the 'ATMOS' instrument of the Space Shuttle, which is a Fourier transform spectrometer collecting spectra in the 2-16 micron range. It is necessary to obtain more accurate line positions, or to introduce a gas sample for calibration, if absolute wind speeds are desired.

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