NASA NTRS · 19790029093
Laser heterodyne spectroscopy
Abstract
High-resolution heterodyne spectroscopic studies of the atmosphere of Venus are surveyed with attention to Doppler shifts in the 10-micron CO2 lines. While the C-12(O-16)2 emission lines formed in the mesosphere near 115 km indicate that the winds are distinctly subsolar to antisolar, C-13(O-16)2 absorption lines for the stratosphere at about 75 km confirm that the pattern is a strong retrograde rotation with an average equatorial velocity of 90 plus or minus 7 m/sec. It is concluded that the winds change from retrograde to subsolar-to-antipolar between 80 and 115 km.
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Betz, A. L., Sutton, E. C., Mclaren, R. A., Mcalary, C. W.. 1978-01-01. Laser heterodyne spectroscopy. https://ntrs.nasa.gov/citations/19790029093
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