He also investigated how western boundary currents, such as the Gulf Stream, dissipated planetary vorticity.
2.
This was unusual, as the Coriolis effect is nonexistent along the equator the Coriolis effect refers to planetary vorticity, which provides the spin in a cyclone.
3.
If \ beta = 0, there will be no Rossby Waves; Rossby Waves owe their origin to the gradient of the tangential speed of the planetary rotation ( planetary vorticity ).
4.
Considering a parcel of air that has no relative vorticity before perturbation ( uniform " U " has no vorticity ) but with planetary vorticity " f " as a function of the latitude, perturbation will lead to a slight change of latitude, so the perturbed relative vorticity must change in order to conserve potential vorticity.
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