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Disable land ice frazil unless ISMF is on #6501

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@cbegeman cbegeman commented Jul 5, 2024

This PR turns land ice frazil off by default and re-enables it when ice-shelf melt fluxes are enabled in standalone or coupled mode. Land ice frazil is not enabled in data ISMF because frazil fluxes are already included in satellite-derived ISMF products.

[non-BFB] when ice-shelf cavities are present in the mesh and (ocn_ismf is off or ocn_ismf is data)
[BFB] when ice-shelf cavities are absent from the mesh or ice-shelf cavities are present in the mesh and (ocn_ismf is coupled or ocn_ismf is internal)

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cbegeman commented Jul 5, 2024

Further discussion located at E3SM-Ocean-Discussion#101

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Approving based on code inspection and previous review in E3SM-Ocean-Discussion#101

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xylar commented Jul 7, 2024

This will affect current production runs so will need to wait for maint-3.0 to be created.

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Approved based on review in Ocean Discussions PR.

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