| 11. | The negative vorticity advection area will be associated with convergence and downward motion.
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| 12. | Such a motion results in vorticity evolution and satisfies Navier-Stokes equations.
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| 13. | The vorticity is thus distributed as a Gaussian of width
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| 14. | This flow is accounted for by the diffusion term in the vorticity transport equation.
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| 15. | The term " baroclinic " refers to the mechanism by which vorticity is generated.
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| 16. | Vorticity is the curl of the velocity field.
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| 17. | The vorticity of an irrotational flow is zero.
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| 18. | Thus vorticity is the circulation per unit area, taken around an infinitesimal loop.
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| 19. | Isosurface of vorticity trailed from a propeller blade.
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| 20. | In this type of atmosphere, Euler equations reduces into the barotropic vorticity equation.
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