Computer Science
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992chjss..12..205m&link_type=abstract
Chinese Journal of Space Science (ISSN 0254-6124), vol. 12, no. 3, p. 205-213.
Computer Science
Computerized Simulation, Planetary Waves, Primitive Equations, Stratosphere Radiation, Wave Propagation, Boundary Conditions, Southern Oscillation
Scientific paper
A global primitive equations semi-spectral model is used to simulate numerically the influences of the Quasi-Biennial Oscillation (QBO) of the equatorial stratospheric wind and its corresponding compatible subtropical jet strength on the upward propagation of north hemisphere planetary waves in winter. The results show an obvious influence on the upward propagation of the planetary waves and the stratospheric sudden warming. For general amplitude waves, wave 1 propagates upward more easily in the easterly phase of QBO than in the westerly phase, but counter to wave 1, the wave 2 propagates upward easily in the westerly phase. For large amplitude waves, wave 1 creates stratospheric sudden warming faster and creates larger warming amplitudes in the easterly phase than in the westerly phase.
Ma Rui-Ping
Peng Xiao-Lan
Zhang Yang
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