2D and 3D properties of stably stratified turbulence

Through interactions between the modes of "waves" and "vortices", stably stratified turbulence exhibits characteristic features both in 2D and 3D. Using DNS of the Navier-Stokes equations coupled to an equation for temperature (the Bousinessq system), we investigate dynamical properties of stably stratified turbulence. After reviewing the importance of three characteristic length scales and their relations in stably stratified turbulence, we present numerical results showing how structures and spectra develop with the growth of the length scales. It is demonstrated that the temperature fluctuations make sharp fronts vertically which result in non-symmetric PDFs of the vertical derivative partial differential z theta.

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Author Kimura, Y.
Sullivan, Peter P.
Publisher UCAR/NCAR - Library
Publication Date 2024-01-09T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2025-07-10T20:05:11.841432
Metadata Record Identifier edu.ucar.opensky::articles:26935
Metadata Language eng; USA
Suggested Citation Kimura, Y., Sullivan, Peter P.. (2024). 2D and 3D properties of stably stratified turbulence. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7028wn4. Accessed 06 August 2025.

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