16th Conference on Atmospheric and Oceanic Fluid Dynamics

P2.19

Predictability of rotating stratified turbulence

Keith Ngan, McGill, Montreal, QC, Canada; and P. Bartello and D. Straub

We examine the predictability of rotating stratified turbulence using a non-hydrostatic Boussinesq model. Comparisons with results for 2-D and 3-D turbulence are made, the dependence on the Froude number discussed, and differences with respect to the classical behaviour of homogeneous, isotropic turbulence emphasized. We describe the influence of a 3-D linear instability, the so-called hyperbolic instability, on the loss of predictability.

Poster Session 2, Atmospheric Dynamics
Tuesday, 26 June 2007, 5:00 PM-6:30 PM, Ballroom North

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