Observational evidence of a saturated gravity wave spectrum in the mesosphere

Details Observational evidence of a saturated gravity wave spectrum in the mesosphere Observational evidence of a saturated gravity wave spectrum in the mesosphere

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jatp...51..991w&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 51, Nov.-Dec. 1989, p. 991-996.

Computer Science

Sound

16

Atmospheric Circulation, Gravity Waves, Mesosphere, Middle Atmosphere, Wind Profiles, Atmospheric Turbulence, Mesoscale Phenomena, Rocket Sounding, Spectrum Analysis

Scientific paper

Five 25-m resolution vertical profiles of scalar horizontal winds have been obtained in the 80-95 km altitude range above northern Norway, in the summer of 1987. The consistency of the motion spectrum with the saturated spectrum of gravity waves proposed by Smith et al. (1987) is examined; an analysis of the five profiles' vertical wavenumber spectra ascertains an average slope that is steeper than the spectra of the horizontal velocity discussed in the literature. The average vertical wavenumber spectrum exhibits excellent agreement between the observed and the saturated spectrum in both slope and amplitude.

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