Benchmarking of machine learning ocean subgrid parameterizations in an idealized model

A Ross, Z Li, P Perezhogin… - Journal of Advances …, 2023 - Wiley Online Library
Recently, a growing number of studies have used machine learning (ML) models to
parameterize computationally intensive subgrid‐scale processes in ocean models. Such …

Diagnosing scale-dependent energy cycles in a high-resolution isopycnal ocean model

N Loose, S Bachman, I Grooms… - Journal of Physical …, 2023 - journals.ametsoc.org
Energy exchanges between large-scale ocean currents and mesoscale eddies play an
important role in setting the large-scale ocean circulation but are not fully captured in …

A scale‐dependent analysis of the barotropic vorticity budget in a global ocean simulation

H Khatri, SM Griffies, BA Storer… - Journal of Advances …, 2024 - Wiley Online Library
The climatological mean barotropic vorticity budget is analyzed to investigate the relative
importance of surface wind stress, topography, planetary vorticity advection, and nonlinear …

Influences of mesoscale ocean eddies on flow vertical structure in a resolution‐based model hierarchy

E Yankovsky, L Zanna, KS Smith - Journal of Advances in …, 2022 - Wiley Online Library
The understanding and representation of energetic transfers associated with ocean
mesoscale eddies is fundamental to the development of parameterizations for climate …

[PDF][PDF] FlowSieve: A coarse-graining utility for geophysical flows on the sphere

BA Storer, H Aluie - Journal of Open Source Software, 2023 - joss.theoj.org
Ocean and atmosphere dynamics span an incredibly wide range of spatial and temporal
scales, with spatial scales ranging from the sub-millimetre viscous scales all the way up to …

Building ocean climate emulators

A Subel, L Zanna - arxiv preprint arxiv:2402.04342, 2024 - arxiv.org
The current explosion in machine learning for climate has led to skilled, computationally
cheap emulators for the atmosphere. However, the research for ocean emulators remains …

Backscatter in energetically-constrained Leith parameterizations

I Grooms - Ocean Modelling, 2023 - Elsevier
This paper combines two strains in the literature on subgrid-scale parameterizations for
eddying ocean models to develop six new parameterizations and test them in an idealized …

A stable implementation of a data‐driven scale‐aware mesoscale parameterization

P Perezhogin, C Zhang, A Adcroft… - Journal of Advances …, 2024 - Wiley Online Library
Ocean mesoscale eddies are often poorly represented in climate models, and therefore,
their effects on the large scale circulation must be parameterized. Traditional …

NeverWorld2: An idealized model hierarchy to investigate ocean mesoscale eddies across resolutions

GM Marques, N Loose, E Yankovsky… - Geoscientific Model …, 2022 - gmd.copernicus.org
We describe an idealized primitive-equation model for studying mesoscale turbulence and
leverage a hierarchy of grid resolutions to make eddy-resolving calculations on the finest …

The role of bottom friction in mediating the response of the Weddell Gyre circulation to changes in surface stress and buoyancy fluxes

J Neme, MH England, AMC Hogg… - Journal of Physical …, 2024 - journals.ametsoc.org
Abstract The Weddell Gyre is one of the dominant features of the Southern Ocean circulation
and its dynamics have been linked to processes of climatic relevance. Variability in the …