Suscripción a Biblioteca: Guest
Third Symposium on Turbulence and Shear Flow Phenomena
June, 25-27, 2003, International Center, Sendai, Japan

DOI: 10.1615/TSFP3

LARGE EDDY SIMULATION OF THE OCEAN MIXED LAYER: THE EFFECTS OF WAVE BREAKING AND LANGMUIR CIRCULATION

pages 699-704
DOI: 10.1615/TSFP3.1180
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SINOPSIS

Large eddy simulation (LES) of the ocean mixed layer was performed in which both wave breaking and Langmuir circulation are realized. High resolution simulations were carried out using parallel computing, with or without each contribution, wave breaking and Langmuir circulation, with an aim to clarify their respective roles in the ocean mixed layer. The effects of wave breaking were found to be mainly limited to the near surface zone of the upper few meters. Langmuir circulations below it are not significantly modified, although they become somewhat weakened and less coherent. Under the influence of wave breaking, however, the turbulence production in the upper ocean mixed layer becomes dominated by the TKE flux, contrary to the case of the atmospheric boundary layer, which is in good agreement with the result from the ocean mixed layer model.

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