Data‐driven equation discovery of ocean mesoscale closures

L Zanna, T Bolton - Geophysical Research Letters, 2020 - Wiley Online Library
The resolution of climate models is limited by computational cost. Therefore, we must rely on
parameterizations to represent processes occurring below the scale resolved by the models …

A diagnosis of anisotropic eddy diffusion from a high‐resolution global ocean model

SD Bachman, B Fox‐Kemper… - Journal of Advances in …, 2020 - Wiley Online Library
Oceanic mesoscale eddies are known to diffuse and stir tracers, and the development of
skillful eddy closures is aided considerably by the accurate diagnosis of these processes …

[HTML][HTML] Implementation of a geometrically informed and energetically constrained mesoscale eddy parameterization in an ocean circulation model

J Mak, JR Maddison, DP Marshall… - Journal of Physical …, 2018 - journals.ametsoc.org
Implementation of a Geometrically Informed and Energetically Constrained Mesoscale Eddy
Parameterization in an Ocean Circulation Model in: Journal of Physical Oceanography Volume …

Vertical structure of ocean mesoscale eddies with implications for parameterizations of tracer transport

Z Stanley, SD Bachman… - Journal of Advances in …, 2020 - Wiley Online Library
Abstract The Gent–McWilliams parameterization is commonly used in global ocean models
to model the advective component of tracer transport effected by unresolved mesoscale …

Eddy diffusivity and coherent mesoscale eddy analysis in the Southern Ocean

W Sun, J Yang, W Tan, Y Liu, B Zhao, Y He… - Acta Oceanologica …, 2021 - Springer
The spatial distribution of eddy diffusivity, basic characteristics of coherent mesoscale
eddies and their relationship are analyzed from numerical model outputs in the Southern …

On non-uniqueness of the mesoscale eddy diffusivity

L Sun, M Haigh, I Shevchenko, P Berloff… - Journal of Fluid …, 2021 - cambridge.org
Oceanic mesoscale currents ('eddies') can have significant effects on the distributions of
passive tracers. The associated inhomogeneous and anisotropic eddy fluxes are …

Energy budget-based backscatter in a shallow water model of a double gyre basin

M Klöwer, MF Jansen, M Claus, RJ Greatbatch… - Ocean Modelling, 2018 - Elsevier
The parameterization of sub-grid scale processes is one of the key challenges towards
improved numerical simulations of the atmospheric and oceanic circulation. Numerical …

Deterministic model of the eddy dynamics for a midlatitude ocean model

T Uchida, B Deremble… - Journal of Physical …, 2022 - journals.ametsoc.org
Mesoscale eddies, although being on scales of O (20–100) km, have a disproportionate role
in shaping the mean stratification, which varies on the scale of O (1000) km. With the …

Diagnosing, modeling, and testing a multiplicative stochastic Gent-McWilliams parameterization

I Grooms, W Kleiber - Ocean Modelling, 2019 - Elsevier
A depth-independent isotropic Gent-McWilliams (GM) transport parameter κ is diagnosed
from an idealized eddy-resolving primitive equation simulation. The optimal depth …

On the choice of training data for machine learning of geostrophic mesoscale turbulence

FE Yan, J Mak, Y Wang - Journal of Advances in Modeling …, 2024 - Wiley Online Library
Data plays a central role in data‐driven methods, but is not often the subject of focus in
investigations of machine learning algorithms as applied to Earth System Modeling related …