Equatorial Zonal Jet Formation through the Barotropic Instability of Low-Frequency Mixed Rossby-Gravity Waves, Equilibration by Inertial Instability, and Transition to Superrotation

Depth-dependent barotropic instability of short mixed Rossby-gravity (MRG) waves is proposed as a mechanism for the formation of equatorial zonal jets. High-resolution primitive equation simulations show that a single MRG wave of very short zonal wavelength and small to moderate amplitude is unstabl...

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