Theory of Atmospheric Dynamics and Climate
Instabilities of large- and small-scale flow are an essential aspect of scale interactions in atmosphere and ocean. Some of our work addresses these to enable a better understanding of corresponding interactions.
Tort M., Ribstein B., and V. Zeitlin 2016: Symmetric and asymmetric inertial instability of zonal jets on the f -plane with complete Coriolis force. J. Fluid Mech., 788, 274-302
B. Ribstein, V. Zeitlin and A-S Tissier. "Barotropic, baroclinic, and inertial instabilities of the easterly Gaussian jet on the equatorial -plane in rotating shallow water model". Phys. Fluids, 26, 056605 (2014)
Fruman, M. D., U. Achatz , Secondary instabilities in breaking inertia-gravity waves. J. Atmos. Sci. 69, 303-322 (pdf)
Achatz, U., Gravity-wave breaking: Linear and primary nonlinear dynamics. Adv. Space Res., 40, 719-733 (pdf)
Achatz, U., Modal and nonmodal perturbations of monochromatic high-frequency gravity waves: Primary nonlinear dynamics. J. Atmos. Sci., 64, 1977- 1994 (pdf)
Achatz, U., The primary nonlinear dynamics of modal and nonmodal perturbations of monochromatic inertia-gravity waves. J. Atmos. Sci., 64, 74-95 (pdf)