Energy spectra of strongly stratified and rotating turbulence | Zendy

Alex Mahalov | Zendy; B. Nicolaenko | Zendy; Ye Zhou | Zendy

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Energy spectra of strongly stratified and rotating turbulence

Author(s) -

Alex Mahalov,

B. Nicolaenko,

Ye Zhou

Publication year - 1998

Publication title -

physical review. e, statistical physics, plasmas, fluids, and related interdisciplinary topics

Language(s) - English

Resource type - Journals

eISSN - 1095-3787

pISSN - 1063-651X

DOI - 10.1103/physreve.57.6187

Subject(s) - physics , turbulence , scaling , stratification (seeds) , stratified flows , energy spectrum , mesoscale meteorology , spectral line , scaling law , stratified flow , mechanics , meteorology , quantum mechanics , geometry , mathematics , seed dormancy , germination , botany , dormancy , biology

Turbulence under strong stratification and rotation is usually characterized as quasi-two dimensional turbulence. We develop a ``quasi-two dimensional'''' energy spectrum which changes smoothly between the Kolmogorov -5/3 law (no stratification), the -2 scalings of Zhou for the case of strong rotation, as well as the -2 scalings for the case of strong rotation and stratification. For strongly stratified turbulence, the model may give the -2 scaling predicted by Herring; and the -5/3 scaling indicated by some mesoscale observations.

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