Physics
Scientific paper
Aug 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988angeo...6..409h&link_type=abstract
Annales Geophysicae (ISSN 0980-8752), vol. 6, Aug. 1988, p. 409-415.
Physics
Atmospheric Models, Middle Atmosphere, Optical Radar, Planetary Waves, Wave Interaction, Zonal Flow (Meteorology), Atmospheric Temperature, Computerized Simulation, Spectral Methods, Stratospheric Warming, Temperature Distribution
Scientific paper
Predictions of a semispectral model of the wave one/zonal flow interaction in the middle atmosphere are compared with lidar-observed temperature perturbation data obtained during the 1981-1982 winter from the Haute Provence Observatory. A succession of upper stratospheric warmings and associated mesospheric coolings are found when the amplitude of the stationary wave forcing reaches a critical value. Adding an 18-days travelling wave to this forcing, the upper stratospheric warmings are shown to occur preferentially a few days after the phase coincidence of the travelling and stationary waves. It is noted that the model is too simple to reproduce all of the experimentally observed wavy perturbations.
Chanin Marie-Lise
Hauchecorne Alain
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