Add ANN-based mesoscale streamfunction parameterization#1109

Merged

Hallberg-NOAA merged 14 commits into

NOAA-GFDL:dev/gfdlfrom

dhruvbalwada:rho_flux_ANN_gfdl_ready

May 19, 2026

Commits on May 19, 2026

*Add framework support for ANN mesoscale streamfunction

dhruvbalwada
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Hallberg-NOAA
committed
*Add ANN-based mesoscale streamfunction module

dhruvbalwada
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Hallberg-NOAA
committed
*Clean up ANN mesoscale streamfunction review feedback

authored and
Hallberg-NOAA
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*Audit cleanup and CI fixes on meso_sfn_ANN

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Hallberg-NOAA
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Resolve memory leak (deallocate)

Pperezhogin
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Hallberg-NOAA
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Changes to pass MOM6 testing system.

Pperezhogin
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Hallberg-NOAA
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Add proper interaction of buoyancy ANN with use_stored_slopes and SKEBs parameterizations

Pperezhogin
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Hallberg-NOAA
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Change default value of MESO_UPSILON_CLAMP parameter

Pperezhogin
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Hallberg-NOAA
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Integrate pass_vector for sfn_u and sfn_v

Pperezhogin
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Hallberg-NOAA
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Encapsulate use_meso_sfn_ANN in thickness_diffuse_CS

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Hallberg-NOAA
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Clarify drdx_u/drdy_v docstrings as gradients along z surfaces

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Hallberg-NOAA
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*Apply MOM6 soft-case convention in MOM_meso_sfn_ANN

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Hallberg-NOAA
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Drop optional from u,v in thickness_diffuse; fix v docstring

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Hallberg-NOAA
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Make find_eta halo size conditional on use_meso_sfn_ANN

authored and
Hallberg-NOAA
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