Physics
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991georl..18.1325h&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 18, July 1991, p. 1325-1328. Research supported by NCAR and Australian Resea
Physics
20
Aloha System, Doppler Effect, Gravity Waves, Optical Radar, Wind Measurement, Airborne Equipment, Atmospheric Tides, Radar Measurement, Vertical Distribution
Scientific paper
The airborne Na lidar and Christmas Island MF radar were used to measure the spectra of gravity wave density and wind perturbations during ALOHA-90 on the March 25 mission. Wave activity was especially strong near Christmas Island with measured wind variances between 1000 and almost 1400 m/s-squared. The vertical and meridional wave number spectra of horizontal wind perturbations exhibited power law shapes with slopes of -3.17 and -2.22, respectively. The temporal frequency spectrum appeared to be influenced by strong Doppler effects and had a shallow slope near -1.
Gardner Chester S.
Hostetler Chris A.
Lesicar Drazen
Vincent Anthony R.
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