• Stability of a stationary Rossby wave embedded in barotropic monsoon zonal flow

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    • Keywords

       

      Barotropic instability; baroclinic instability; beta-plane; zonal flow; meridional wind; Rossby wave

    • Abstract

       

      Barotropic stability of a stationary Rossby wave of wavelength 30° longitude superposed on the uniform monsoon zonal flow has been examined. The wave is unstable to perturbations and the growth rate depends on the meridional scale. These perturbations grow by drawing on the kinetic energy of the stationary Rossby wave.

    • Author Affiliations

       

      S K Dash1 R N Keshavamurty2

      1. Centre for Atmospheric and Fluids Sciences, Indian Institute of Technology, New Delhi - 110 016, India
      2. Physical Research Laboratory, Ahmedabad - 380 009, India
    • Dates

       
  • Journal of Earth System Science | News

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      Posted on July 25, 2019

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