Resolving and parameterising the ocean mesoscale in earth system models

HT Hewitt, M Roberts, P Mathiot, A Biastoch… - Current Climate Change …, 2020 - Springer
Abstract Purpose of Review Assessment of the impact of ocean resolution in Earth System
models on the mean state, variability, and future projections and discussion of prospects for …

A posteriori learning for quasi‐geostrophic turbulence parametrization

H Frezat, J Le Sommer, R Fablet… - Journal of Advances …, 2022 - Wiley Online Library
The use of machine learning to build subgrid parametrizations for climate models is
receiving growing attention. State‐of‐the‐art strategies address the problem as a supervised …

Dynamics of soliton resonances and soliton moleculesfor the AB system in two-layer fluids

YL Ma, BQ Li - Nonlinear Dynamics, 2023 - Springer
The AB system is a critical component of fluid dynamics, as it is capable of modeling the
nonlinear wave motions in two-layer fluids. In this study, we investigate soliton molecules …

Implementation and evaluation of a machine learned mesoscale eddy parameterization into a numerical ocean circulation model

C Zhang, P Perezhogin, C Gultekin… - Journal of Advances …, 2023 - Wiley Online Library
We address the question of how to use a machine learned (ML) parameterization in a
general circulation model (GCM), and assess its performance both computationally and …

Remote versus local impacts of energy backscatter on the North Atlantic SST biases in a global ocean model

CY Chang, A Adcroft, L Zanna… - Geophysical …, 2023 - Wiley Online Library
The use of coarse resolution and strong grid‐scale dissipation has prevented global ocean
models from simulating the correct kinetic energy level. Recently parameterizing energy …

Generative data‐driven approaches for stochastic subgrid parameterizations in an idealized ocean model

P Perezhogin, L Zanna… - Journal of Advances in …, 2023 - Wiley Online Library
Subgrid parameterizations of mesoscale eddies continue to be in demand for climate
simulations. These subgrid parameterizations can be powerfully designed using physics …

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 …

Vertical structure and energetic constraints for a backscatter parameterization of ocean mesoscale eddies

E Yankovsky, S Bachman, KS Smith… - Journal of Advances in …, 2024 - Wiley Online Library
Mesoscale eddies modulate the stratification, mixing, tracer transport, and dissipation
pathways of oceanic flows over a wide range of spatiotemporal scales. The parameterization …

Parameterizing eddy buoyancy fluxes across prograde shelf/slope fronts using a slope-aware GEOMETRIC closure

H Wei, Y Wang, J Mak - Journal of Physical Oceanography, 2024 - journals.ametsoc.org
Accurate parameterizations of eddy fluxes across prograde, buoyant shelf and slope
currents are crucial to faithful predictions of the heat transfer and water mass transformations …

[HTML][HTML] Optimal initial errors related to the prediction of the vertical thermal structure and their application to targeted observation: A 3-day hindcast case study in the …

J Liu, K Liu, W Guo, P Liang, L Da - Deep Sea Research Part I …, 2023 - Elsevier
This 3-day hindcast case study focuses on the effects of the initial errors, a non-negligible
factor in oceanic prediction, on VTS prediction in the NSCS and provides scientific guidance …