Toward an energetically consistent, resolution aware parameterization of ocean mesoscale eddies

MF Jansen, A Adcroft, S Khani… - Journal of Advances in …, 2019 - Wiley Online Library
A subgrid‐scale eddy parameterization is developed, which makes use of an explicit eddy
kinetic energy budget and can be applied at both “non‐eddying” and “eddy‐permitting” …

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 …

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 …

A kinematic kinetic energy backscatter parametrization: From implementation to global ocean simulations

S Juricke, S Danilov, N Koldunov… - Journal of Advances …, 2020 - Wiley Online Library
Ocean models at eddy‐permitting resolution are generally overdissipative, damping the
intensity of the mesoscale eddy field. To reduce overdissipation, we propose a simplified …

Ocean kinetic energy backscatter parametrization on unstructured grids: Impact on global eddy‐permitting simulations

S Juricke, S Danilov, N Koldunov… - Journal of Advances …, 2020 - Wiley Online Library
In this study we demonstrate the potential of a kinetic energy backscatter scheme for use in
global ocean simulations. Ocean models commonly employ (bi) harmonic eddy viscosities …

Impact of ocean-atmosphere coupling on regional climate: the Iberian Peninsula case

W Cabos, A de la Vara, FJ Álvarez-García, E Sánchez… - Climate Dynamics, 2020 - Springer
Regional models used for downscaling the European climate usually include a relatively
small area of the Atlantic Ocean and are uncoupled, with the SST used as lower boundary …

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 …

Subgrid parameterizations of ocean mesoscale eddies based on Germano decomposition

P Perezhogin, A Glazunov - Journal of Advances in Modeling …, 2023 - Wiley Online Library
Ocean models at intermediate resolution (1/4°), which partially resolve mesoscale eddies,
can be seen as Large eddy simulations of the primitive equations, in which the effect of …

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 …