Mathematics – Logic
Scientific paper
Jan 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979qjrms.105...71o&link_type=abstract
Royal Meteorological Society, Quarterly Journal, vol. 105, Jan. 1979, p.71-92.
Mathematics
Logic
17
Atmospheric Circulation, Atmospheric Models, Dynamic Models, Meteorological Parameters, Stratosphere, Stratospheric Warming, Annual Variations, Data Processing, Heat Budget, Polar Regions, Temperature Distribution, Troposphere, Wave Interaction, Wind Effects, Winter, Zonal Flow (Meteorology)
Scientific paper
The unusual atmospheric behavior observed at middle and high latitudes during the winter of 1976/77 is discussed in both synoptic and dynamical terms, using routine, objectively analyzed data. During this period the growth of large amplitude, planetary-scale waves in the troposphere resulted in a marked wave growth in the stratosphere. A qualitative discussion of the interaction between these waves and the zonal flow is followed by referring to the temporal evolution of the relevant terms in the zonally averaged momentum and heat equations. It is shown that the export of momentum from high latitudes by the waves was crucial in effecting a zonal wind reversal in both troposphere and stratosphere. The importance of this mechanism during the period of study indicates the need for a revision of the currently favored dynamical model of the stratospheric sudden warming.
Oneill A.
Taylor Barrie F.
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