Mechanisms of internal tide-induced turbulent mixing observed from mooring data in a shallow steep submarine canyon

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Observational data reveals turbulent mixing linked to internal tides in a submarine canyon, suggesting implications for shear flows.

Turbulent mixing intensified approximately 7 hours after minima in the Richardson number, indicating dynamics in turbulence development.
The moored observations detail vertical structures of mixing associated with downward-propagating mode-2 internal tides observed in a three-month record.
Wavelet analysis indicates that kinetic energy cascades through shear instability from large to small scales within hours.
Results may challenge traditional theories about turbulence in steady sheared flows, highlighting complexities of time-dependent dynamics.

Masunaga et al. (2025) studied this question.

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