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 …

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 …

Learning closed‐form equations for subgrid‐scale closures from high‐fidelity data: Promises and challenges

K Jakhar, Y Guan, R Mojgani… - Journal of Advances …, 2024 - Wiley Online Library
There is growing interest in discovering interpretable, closed‐form equations for subgrid‐
scale (SGS) closures/parameterizations of complex processes in Earth systems. Here, we …

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 …

Learning closed-form equations for subgrid-scale closures from high-fidelity data: Promises and challenges

K Jakhar, Y Guan, R Mojgani, A Chattopadhyay… - arXiv preprint arXiv …, 2023 - arxiv.org
There is growing interest in discovering interpretable, closed-form equations for subgrid-
scale (SGS) closures/parameterizations of complex processes in Earth systems. Here, we …

Sensitivity of a coarse‐resolution global ocean model to a spatially variable neutral diffusivity

RM Holmes, S Groeskamp, KD Stewart… - Journal of Advances …, 2022 - Wiley Online Library
Motivated by recent advances in mapping mesoscale eddy tracer mixing in the ocean we
evaluate the sensitivity of a coarse‐resolution global ocean model to a spatially variable …

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 …

Scale‐Awareness in an Eddy Energy Constrained Mesoscale Eddy Parameterization

J Mak, JR Maddison, DP Marshall… - Journal of Advances …, 2023 - Wiley Online Library
There is an increasing interest in mesoscale eddy parameterizations that are scale‐aware,
normally interpreted to mean that a parameterization does not require parameter …

Scale analysis on unstructured grids: Kinetic energy and dissipation power spectra on triangular meshes

S Juricke, K Bellinghausen, S Danilov… - Journal of Advances …, 2023 - Wiley Online Library
Fourier spectra are powerful tools to analyze the scale behavior of turbulent flows. While
such spectra are mathematically based on regular periodic data, some state‐of‐the‐art …

[HTML][HTML] AWI-CM3 coupled climate model: description and evaluation experiments for a prototype post-CMIP6 model

J Streffing, D Sidorenko, T Semmler… - Geoscientific Model …, 2022 - gmd.copernicus.org
We developed a new version of the Alfred Wegener Institute Climate Model (AWI-CM3),
which has higher skills in representing the observed climatology and better computational …