Physics
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991georl..18.1329s&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 18, July 1991, p. 1329-1331.
Physics
21
Aloha System, Gravity Waves, Mesopause, Optical Radar, Temperature Profiles, Atmospheric Temperature, Brunt-Vaisala Frequency, Richardson Number, Root-Mean-Square Errors, Wind Shear
Scientific paper
High resolution temperature profiles of the mesopause region above Fort Collins, CO (40.6 deg N, 105 deg W) were measured with a Na lidar on the nights of March 2-3 and April 15-16, 1990, during the ALOHA-90 campaign. This paper reports the initial scientific analysis of these data which were used to compute (1) the altitude profiles of relative atmospheric temperature perturbations, (2) the mean Brunt-Vaisala frequency in the mesopause region, and (3) the vertical shear variance of horizontal winds. On March 2-3 and April 15-16, the rms temperature perturbations were 5.7 percent and 7.1 percent, the average Brunt-Vaisala periods were 4.9 min and 4.6 min, and the wind shear variances were 878 (m/s per km)-squared and 967 (m/s per km)-squared, respectively.
Gardner Chester S.
Huang Jhao-Wun
Nagasawa Chiaki
She Chiao Yao
Yu J. R.
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