Behaviour of solutions
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If you disregard the lateral viscosity terms, the SWE as given in chapter 2 are of hyperbolic type, that is: they have real characteristics (further discussed below in section 4.3). This implies that you can think of solutions as combinations of waves. The viscosity terms do have an influence: they will act as a damping mechanism. However, they are often not very large and you can generally assume that the wave properties are not essentially altered. This assumption is made in this chapter.
KeywordsRossby Wave Potential Vorticity Phase Speed Bottom Friction Particle Path
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