Physics
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jatp...55..397w&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 55, no. 3, p. 397-408.
Physics
6
Gravity Waves, Mathematical Models, Nightglow, Oxygen Afterglow, Algorithms, Kinetic Energy, Momentum, Spectral Emission
Scientific paper
The O2 atmospheric (0-1) night airglow emitted within the gravity wave saturation region at about 90-100 km can serve as a means of studying the wave activity. In this analysis, the atmospheric motions were described by a mean spectral model, and an algorithm was developed to infer the wave kinetic energy density and momentum flux from variations in O2 (0-1) airglow emission rate and rotational temperature. The method was applied to eight nights of data collected by a mesopause oxygen rotational temperature imager, during the AIDA campaign of 1989 in Puerto Rico. The observed rms fractional fluctuations of airglow emission rate and rotational temperature were of the order of about 0.07-0.15 and about 0.02-0.04, respectively, and the characteristic vertical wavelengths were estimated at about 10-20 km.
Shepherd Gordon G.
Wang Ding Yi
Wiens Rudolph H.
Zhang Sheng-Pan
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