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

Gustavo M. Marques, Nora Loose, Elizabeth Yankovsky, Jacob M. Steinberg, Chiung Yin Chang, Neeraja Bhamidipati, Alistair Adcroft, Baylor Fox-Kemper, Stephen M. Griffies, Robert W. Hallberg, Malte F. Jansen, Hemant Khatri, Laure Zanna

Research output: Contribution to journalArticlepeer-review

Abstract

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 grids more affordable. The model has intermediate complexity, incorporating basin-scale geometry with idealized Atlantic and Southern oceans and with non-uniform ocean depth to allow for mesoscale eddy interactions with topography. The model is perfectly adiabatic and spans the Equator and thus fills a gap between quasi-geostrophic models, which cannot span two hemispheres, and idealized general circulation models, which generally include diabatic processes and buoyancy forcing. We show that the model solution is approaching convergence in mean kinetic energy for the ocean mesoscale processes of interest and has a rich range of dynamics with circulation features that emerge only due to resolving mesoscale turbulence.

Original languageEnglish (US)
Pages (from-to)6567-6579
Number of pages13
JournalGeoscientific Model Development
Volume15
Issue number17
DOIs
StatePublished - Sep 1 2022

ASJC Scopus subject areas

  • Modeling and Simulation
  • Earth and Planetary Sciences(all)

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