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Inertia-gravity waves generated by near balanced flow in 2 layershallow water turbulence on the beta plane

Abstract : Using a fine resolution numerical model (2×4000² grid-points) of the two layer shallow-water equations of the mid-latitude beta plane dynamics, it is shown that there is no sudden breakdown of balance in the turbulent enstrophy-cascade but a faint and continuous emission of inertia gravity waves. The wave energy accumulates in the equator-ward region of the domain due to the Coriolis parameter depending on latitude and the dispersion relation of inertia gravity waves.
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Conference papers
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https://hal.archives-ouvertes.fr/hal-00840924
Contributor : Philippe Eyraud Connect in order to contact the contributor
Submitted on : Wednesday, July 3, 2013 - 3:09:28 PM
Last modification on : Wednesday, October 20, 2021 - 12:58:12 AM
Long-term archiving on: : Friday, October 4, 2013 - 4:11:02 AM

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  • HAL Id : hal-00840924, version 1

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Achim Wirth. Inertia-gravity waves generated by near balanced flow in 2 layershallow water turbulence on the beta plane. Symposium OGOA, May 2013, Lyon, France. ⟨hal-00840924⟩

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