Physics – Geophysics
Scientific paper
Mar 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980papge.118..307c&link_type=abstract
Pure and Applied Geophysics, vol. 118, no. 1-2, 1980, p. 307-328. Research supported by the Natural Environment Research Counci
Physics
Geophysics
5
Atmospheric Circulation, Gravity Waves, Meridional Flow, Mesosphere, Stratosphere, Atmospheric Models, Atmospheric Temperature, Data Retrieval, Momentum Transfer, Regression Analysis, Two Dimensional Models, Zonal Flow (Meteorology)
Scientific paper
Observations from the Nimbus 6 pressure modulator radiometer (PMR) have been used to estimate monthly mean planetary wave fluxes of heat and momentum in the stratosphere and mesosphere. While the eddy heat fluxes play an important role in the mean meridional circulation of the winter stratosphere they are shown to be less important in the upper mesosphere. Incorporation of the observed momentum fluxes into the Oxford two-dimensional circulation model has shown that they are incapable of providing the momentum transport necessary to balance the zonal flow accelerations induced by the mean meridional motion. Other unspecified transfer processes represented by Rayleigh frictional damping of the zonal flow are shown to dominate. In contrast, the observed fluxes in the stratosphere achieve the necessary redistribution of momentum.
Crane Allen J.
Haigh Joanna D.
Pyle John A.
Rogers Fred C.
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