Physics
Scientific paper
Jul 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jatp...50..657e&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 50, July 1988, p. 657-669. NSERC-NSF-supported research.
Physics
6
Atmospheric Circulation, Hydroxyl Radicals, Mesopause, Molecular Rotation, Temperature Distribution, Cloud Physics, Fronts (Meteorology), Meridional Flow
Scientific paper
Hydroxyl rotational temperatures near 85 km altitude have been measured at Calgary, Canada in order to determine velocities, wavelengths, and periods associated with moving temperature structures. The velocity of moving patterns in two-dimensional data sets is used as a parameter for a global smoothing algorithm. It is found that velocities of the structures in the meridional direction were directed poleward, and that the corresponding Doppler bulk wind velocities measured near the 95 km height region were directed equatorward, suggesting the presence of filtering of internal gravity waves by the background wind. Two coherent wave structures were often detected simultaneously during a night.
Cogger Leroy L.
Elphinstone R. D.
Meriwether W. Jr. J.
Murphree John S.
Murty S. N. G.
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