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Propagation of the Rossby waves on two dimensional rectangular grids

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Summary

A simple two-dimensional quasi-geostrophic linearized model of the atmosphere is used to investigate the behaviour of the quasi-geostrophic modes for five horizontal rectangular grids. Numerical expressions for frequencies of Rossby waves for all grids are evaluated. It was found that the B and C grids produce only negative frequencies as well as the continuous case. The D grid has negative and zero frequencies. Finally, it was found that the A and E grids produce positive frequencies and eastward moving Rossby waves.

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  1. M. B. Gavrilov & I. A. Tošić M. Sc.

    Present address: Department of Meteorology, University of Belgrade, Dobračina 16, P.O. Box 368, 11000, Belgrade, Yugoslavia

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    1. M. B. Gavrilov
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    2. I. A. Tošić M. Sc.
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    Gavrilov, M.B., Tošić, I.A. Propagation of the Rossby waves on two dimensional rectangular grids. Meteorl. Atmos. Phys. 68, 119–125 (1998). https://doi.org/10.1007/BF01030204

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