The dynamics of mixed layer deepening during open-ocean convection
T Sohail, B Gayen, AM Hogg
Journal of Physical Oceanography | American Meteorological Society | Published : 2020
Open-ocean convection is a common phenomenon that regulates mixed layer depth and ocean ventilation in the high-latitude oceans. However, many climate model simulations overestimate mixed layer depth during open-ocean convection, resulting in excessive formation of dense water in some regions. The physical processes controlling transient mixed layer depth during open-ocean convection are examined using two different numerical models: a high-resolution, turbulence-resolving nonhydrostatic model and a large-scale hydrostatic ocean model. An isolated destabilizing buoyancy flux is imposed at the surface of both models and a quasi-equilibrium flow is allowed to develop. Mixed layer depth in the ..View full abstract
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Awarded by Australian Research Council (ARC) Future Fellowship
Numerical simulations were conducted on the Australian National Computational Infrastructure (NCI), ANU, which is supported by the Commonwealth of Australia. B.G. was supported by the Australian Research Council (ARC) Future Fellowship (FT180100037). We thank two reviewers for their helpful feedback and advice.