Phys. Rev. Lett. 98, 198501 (2007) [4 pages]Model of Intraseasonal Oscillations in Earth’s AtmosphereReceived 23 July 2006; published 10 May 2007 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. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.98.198501
DOI:
10.1103/PhysRevLett.98.198501
PACS:
92.60.Ry, 47.32.Ef, 47.35.Tv, 92.70.Gt
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