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Abstract: The TWERLE balloon tracers are analyzed for relative dispersion in the 150 mb level of the Southern Hemisphere and scales of 50?10 000 km. A two-particle time scale is introduced and is defined as the time integral of the ...

Abstract: An analytical study is made of the baroclinic instability problem for a zonal wind U (z), by modifying the Eady model through relaxation of the shallow-layer approximation. The linearized perturbation equation is derived, ...

Abstract: Numerical computations are conducted to investigate the deep-fluid effects on the baroclinically unstable waves whose nondimensional wavenumbers are of order unity[k?O(1),llsim;(1)]. Two representative values of the ...

Abstract: This paper describes a diffusion model for a flow with uniform shear in which the diffusivity tensors are expressed in terms of the statistical correlation tensor of the Lagrangian velocity field by extending Riley and ...