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@phall-brown
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Fixes LF17 parameterization by altering a conditional statement so that surface layer Langmuir number (La_SL) is always calculated (the conditional statement assumed that if the Langmuir multiplier, lamult, was present that La_SL did not need to be calculated, presumably because it would be passed in from the wave component).

@alperaltuntas alperaltuntas self-requested a review July 24, 2025 19:10
@Hallberg-NOAA
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Because this PR is changing answers (see the failures with the TC testing regression changes), I am afraid that this bug-fix will require a new bug-fix run-time parameter or a feature parameter.

If a bug-fix runtime parameter is used, it might make sense to add this correction after the pending merge from dev/gfdl to main (see mom-ocean#1668) is merged back into dev/ncar so that the new option ENABLE_BUGS_BY_DEFAULT can be used to set the default of this parameter, both to retain the existing answers by default but also to allow someone setting up a new configuration to use the bug-free option.

@alperaltuntas
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@phall-brown Could you try merging the latest dev/ncar branch to see if that resolves the CI regression test failure?

@alperaltuntas alperaltuntas merged commit 02d3163 into NCAR:dev/ncar Aug 4, 2025
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3 participants