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    Conservation laws of wave action and potential enstrophy for Rossby waves in a stratified atmosphere (1983)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: The evolution of wave energy, enstrophy, and wave motion for atmospheric Rossby waves in a variable mean flow are discussed from a theoretical and pedagogic standpoint. In the absence of mean flow gradients, the wave energy density satisfies a local conservation law, with the appropriate flow velocity being the group velocity. In the presence of mean flow variations, wave energy is not conserved, but wave action is, provided the mean flow is independent of longitude. Wave enstrophy is conserved for arbitrary variations of the mean flow. Connections with Eiiassen-Palm flux are also discussed.
    Keywords: METEOROLOGY AND CLIMATOLOGY
    Type: Pure and Applied Geophysics (ISSN 0033-4553); 121; 5-6,; 917-946
    Format: text
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