Articles | Volume 17, issue 22
https://doi.org/10.5194/gmd-17-8469-2024
https://doi.org/10.5194/gmd-17-8469-2024
Development and technical paper
 | 
28 Nov 2024
Development and technical paper |  | 28 Nov 2024

ISOM 1.0: a fully mesoscale-resolving idealized Southern Ocean model and the diversity of multiscale eddy interactions

Jingwei Xie, Xi Wang, Hailong Liu, Pengfei Lin, Jiangfeng Yu, Zipeng Yu, Junlin Wei, and Xiang Han

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This preprint is open for discussion and under review for Geoscientific Model Development (GMD).
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Cited articles

Abernathey, R. and Cessi, P.: Topographic Enhancement of Eddy Efficiency in Baroclinic Equilibration, J. Phys. Oceanogr., 44, 2107–2126, https://doi.org/10.1175/JPO-D-14-0014.1, 2014. a, b, c, d
Abernathey, R., Marshall, J., and Ferreira, D.: The dependence of Southern Ocean meridional overturning on wind stress, J. Phys. Oceanogr., 41, 2261–2278, https://doi.org/10.1175/JPO-D-11-023.1, 2011. a, b, c, d
Adcroft, A., Campin, J.-M., Doddridge, E., and Dutkiewicz, S.: MITgcm Documentation, Release checkpoint67v-18-g1e25bc255, Zenodo, https://doi.org/10.5281/zenodo.1409237, 2021. a
Alfonsi, G.: On Direct Numerical Simulation of Turbulent Flows, Appl. Mech. Rev., 64, 020802, https://doi.org/10.1115/1.4005282, 2011. a
Artana, C., Ferrari, R., Bricaud, C., Lellouche, J. M., Garric, G., Sennéchael, N., Lee, J. H., Park, Y. H., and Provost, C.: Twenty-five years of Mercator ocean reanalysis GLORYS12 at Drake Passage: Velocity assessment and total volume transport, Adv. Space Res., 68, 447–466, https://doi.org/10.1016/j.asr.2019.11.033, 2021a. a
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We propose the concept of mesoscale ocean direct numerical simulation (MODNS), which should resolve the first baroclinic deformation radius and ensure the numerical dissipative effects do not directly contaminate the mesoscale motions. It can be a benchmark for testing mesoscale ocean large eddy simulation (MOLES) methods in ocean models. We build an idealized Southern Ocean model using MITgcm to generate a type of MODNS. We also illustrate the diversity of multiscale eddy interactions.
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