Physics
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jatp...50..951g&link_type=abstract
(IAGA, Symposium on Coupling, Energetics, Dynamics and Electrodynamics of Atmospheric Regions, Vancouver, Canada, Aug. 1987) Jou
Physics
8
Atmospheric Turbulence, Electron Energy, Electron Precipitation, Gravity Waves, Mesosphere, Polar Regions, Alaska, Data Acquisition, Radar Echoes, Rocket Launching, Signal To Noise Ratios
Scientific paper
The origin of wintertime mesospheric echoes observed with the mesosphere-stratosphere-troposphere radar at Poker Flat, Alaska, was studied by probing the mesosphere with in situ rocket measurements during echo occurrences in the early spring, 1985. Within the height range 65-75 km, the structure of the large scale wave field was identified. In this region, a gravity wave with a vertical wavelength of about 2 km was found superimposed on a wave with a larger amplitude and a vertical wavelength of about 6.6 km. Because of the close correlation between the smaller amplitude wave and the modulation observed in the S/N profiles, it is concluded that the smaller wave was dominant in generating turbulence within the middle atmosphere.
Barcus J. R.
Chou H.-G.
Fritts David C.
Goldberg Richard A.
Schmidlin Francis J.
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