Abyssal Mixing in the Laboratory

  • T. Dauxois
  • E. Ermanyuk
  • C. Brouzet
  • S. Joubaud
  • I. Sibgatullin
Part of the Springer Oceanography book series (SPRINGEROCEAN)


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.



This work was supported by the LABEX iMUST (ANR-10-LABX-0064) of Université de Lyon, within the program “Investissements d’Avenir” (ANR-11-IDEX-0007) operated by the French National Research Agency (ANR). This work has achieved thanks to the resources of PSMN from ENS de Lyon. E.V.E. gratefully acknowledges his appointment as a Marie Curie incoming fellow at Laboratoire de physique ENS de Lyon. INS is gratefull for support Russian Foundation for Basic Research 15-01-06363 and Russian Science Foundation 14-50-00095. Direct numerical simulations were performed on supercomputer Lomonosov of Moscow State University. We thank L. Maas, G. Pillet and H. Scolan for helpful discussions and D. Le Tourneau and M. Moulin for technical assistance.


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© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • T. Dauxois
    • 1
  • E. Ermanyuk
    • 2
  • C. Brouzet
    • 1
  • S. Joubaud
    • 1
  • I. Sibgatullin
    • 3
    • 4
  1. 1.Univ Lyon, ENS de Lyon, Univ Claude Bernard Lyon 1, CNRSLyonFrance
  2. 2.Lavrentyev Institute of HydrodynamicsNovosibirskRussia
  3. 3.Faculty of Mechanics and MathematicsMoscow State UniversityMoscowRussia
  4. 4.Shirshov Institute of Oceanology, Russian Academy of SciencesMoscowRussia

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