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RISQuasi-Periodic Variations of the Polar Vortex in the Southern Hemisphere Stratosphere Due to Wave–Wave Interaction
Publisher: American Meteorological Society
Abstract: The winter polar vortex in the Southern Hemisphere stratosphere is characterized by prominent quasi-stationary planetary waves: zonal wavenumber 1 (wave 1) and the eastward-traveling wave (wave 2). Quasi-periodic variations ...
Interannual Variations of the Seasonal March in the Southern Hemisphere Stratosphere for 1979–2002 and Characterization of the Unprecedented Year 2002
Publisher: American Meteorological Society
Abstract: Dynamical features of the interannual variations of the seasonal march in the Southern Hemisphere stratosphere are investigated with the NCEP?NCAR reanalysis dataset from 1979 to 2002, and the unprecedented year 2002, in ...
A Parameter Sweep Experiment on Quasiperiodic Variations of a Polar Vortex due to Wave–Wave Interaction in a Spherical Barotropic Model
Publisher: American Meteorological Society
Abstract: Weakly nonlinear aspects of a barotropically unstable polar vortex in a forced?dissipative system with a zonally asymmetric surface topography are investigated in order to obtain a deeper understanding of rather periodic ...