The Key Role of Lower-Level Meridional Shear in Baroclinic Wave Life Cycles


A series of idealized nonlinear life cycle experiments is performed to compare changes in life cycle behavior caused by upper-level and near-surface meridional shear of the initial zonal wind. It is shown that both the eddy kinetic energy and the zonal flow accelerations produced during a cycle of growth and equilibration respond primarily to the meridional… (More)


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