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2018 | OriginalPaper | Chapter

Abyssal Mixing in the Laboratory

Authors : T. Dauxois, E. Ermanyuk, C. Brouzet, S. Joubaud, I. Sibgatullin

Published in: The Ocean in Motion

Publisher: Springer International Publishing

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Abstract

One of the important questions in the dynamics of the oceans is related to the cascade of mechanical energy in the abyss and its contribution to mixing. Here, we propose a unique self-consistent experimental and numerical set up that models a cascade of triadic interactions transferring energy from large-scale monochromatic input to multi-scale internal wave motion. We show how this set-up can be used to tackle the open question of studying internal wave turbulence in a laboratory, by providing, for the first time, explicit evidence of a wave turbulence framework for internal waves. Finally, beyond this regime, we highlight a clear transition to a cascade of small-scale overturning events which induce mixing.

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Metadata
Title
Abyssal Mixing in the Laboratory
Authors
T. Dauxois
E. Ermanyuk
C. Brouzet
S. Joubaud
I. Sibgatullin
Copyright Year
2018
DOI
https://doi.org/10.1007/978-3-319-71934-4_16