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Model of intraseasonal oscillations in earth's atmosphere
Elena Kartashova1, Victor S L'vov
1Department of Chemical Physics, The Weizmann Institute of Science, Rehovot 76100, Israel. lens@risc.uni-linz.ac.at
Abstract:
We suggest a way of rationalizing intraseasonal oscillations of Earth's atmospheric flow as four meteorologically relevant triads of interacting planetary waves, isolated from the system of all of the rest of the planetary waves. Our model is independent of the topography (mountains, etc.) and gives a natural explanation of intraseasonal oscillations in both the Northern and the Southern Hemispheres. Spherical planetary waves are an example of a wave mesoscopic system obeying discrete resonances that also appears in other areas of physics.
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