Mathematics – Logic
Scientific paper
Dec 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icsu...18s....s&link_type=abstract
In International Council of Scientific Unions Handbook for MAP, Vol. 18 4 p (SEE N86-27719 18-46)
Mathematics
Logic
Annual Variations, Northern Hemisphere, Planetary Waves, Southern Hemisphere, Stratosphere, Winds Aloft, Climatology, Mesoscale Phenomena, Meteorological Satellites
Scientific paper
Based on satellite-derived data supplied by the National Meteorological Center (NMC), the dynamical interaction between planetary waves and mean zonal winds in the stratosphere is investigated. Special attention is paid to the differences between the Northern Hemisphere (NH) and the Southern Hemisphere (SH). An analysis is made using Eliassen-Palm (E-P) flux diagnostics for the period from June 1981 to May 1982. In a climatological sense, different seasonal evolutions of large-scale motions between the NH and the SH in the stratosphere are demonstrated. Vertical cross-section analysis is presented to show the day-to-day variation in the mean zonal wind and wave activity, in particular, the following phenomena: (1) the poleward shifting of the westerly jet, and (2) episodes after the shifting of the westerly jet.
Hirota Isamu
Shiotani Masashi
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