Parameterizing vertical mixing coefficients in the ocean surface boundary layer using neural networks

A Sane, BG Reichl, A Adcroft… - Journal of Advances in …, 2023 - Wiley Online Library
Vertical mixing parameterizations in ocean models are formulated on the basis of the
physical principles that govern turbulent mixing. However, many parameterizations include …

[PDF][PDF] Vertical structure of near-surface currents: Importance, state of knowledge, and measurement challenges

S Elipot, JO Wenegrat - CLIVAR Variations, 2021 - wenegrat.github.io
Ocean surface currents have a profound influence on human life through their role in
horizontal transport and dispersal of pollutants and physical, biological, and chemical …

Exploring the use of machine learning to parameterize vertical mixing in the ocean surface boundary layer

JH Liang, J Yuan, X Wan, J Liu, B Liu, H Jang, M Tyagi - Ocean Modelling, 2022 - Elsevier
In ocean and climate models, the simulation of upper-ocean temperature and salinity
depends on mixing parameterizations for ocean surface boundary layer turbulence. Existing …

Wind-and wave-driven ocean surface boundary layer in a frontal zone: Roles of submesoscale eddies and Ekman–Stokes transport

J Yuan, JH Liang - Journal of Physical Oceanography, 2021 - journals.ametsoc.org
Large-eddy simulations are used to investigate the influence of a horizontal frontal zone,
represented by a stationary uniform background horizontal temperature gradient, on the …

Langmuir turbulence in suspended kelp farms

T Bo, JC McWilliams, C Yan… - Journal of Fluid …, 2024 - cambridge.org
This study investigates the influence of suspended kelp farms on ocean mixed layer
hydrodynamics in the presence of currents and waves. We use the large eddy simulation …

Observations and Numerical Simulations of the Onset and Growth of Langmuir Circulations

A Andriatis, L Lenain, MH Alford… - Journal of Physical …, 2024 - journals.ametsoc.org
We report novel observations of the onset and growth of Langmuir circulations (LCs) from
simultaneous airborne and subsurface in-situ measurements. Under weak, fetch-limited …

Impact of symmetric instability parametrization scheme on the upper ocean layer in a high-resolution global ocean model

GH Liao, XK Hu, SM Xu, KM Wu, JH Dong… - Deep Sea Research Part …, 2022 - Elsevier
The primary effect of symmetric instability (SI) is the shoaling of the mixed layer. This has
been shown to improve the vertical mixing of a passive tracer between the surface mixed …

A New Hybrid Mass‐Flux/High‐Order Turbulence Closure for Ocean Vertical Mixing

A Garanaik, FS Pereira, K Smith… - Journal of Advances …, 2024 - Wiley Online Library
While various parameterizations of vertical turbulent fluxes at different levels of complexity
have been proposed, each has its own limitations. For example, simple first‐order closure …

Diagnosing nonlocal effects and coherent structure scales in moist convection using a large-eddy simulation

FS Kao, YH Kuo, CM Wu - Authorea Preprints, 2024 - essopenarchive.org
The anelastic theory of effective buoyancy has been generalized to include the effects of
momentum flux convergence. Mediated by the nonlocal perturbation pressure, the dynamics …

Radiatively Driven Convection and Langmuir Turbulence

Y Chang - 2022 - search.proquest.com
This dissertation investigates radiatively driven convective (RDC) and Langmuir turbulence.
Scalings for each process are formulated by balancing the dominant terms in the prognostic …