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Add Richardson number smoothing to CVMix in mpas-o #1275

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merged 1 commit into from
Feb 21, 2017

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@jgfouca jgfouca commented Feb 16, 2017

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@jonbob jonbob merged commit d7f5038 into master Feb 21, 2017
jonbob added a commit that referenced this pull request Feb 21, 2017
Add Richardson number smoothing to CVMix in mpas-o

This PR implements @vanroekel's smoothing of the Richardson number profile prior
to computing LMD94 shear instability mixing (see MPAS 1219). This reduces the
frequency of 2 dz (grid-scale) noise in viscosity/diffusivity profiles. It also
includes new default ICG files for the oEC60to30v3_ICG ice/ocn grid, which have
been spun-up with this fix, to provide consistent initial conditions for its
use.

A flag for the number of smoothing loops is also implemented, but should not
normally need to be changed from the default in registry.

Finally the limiting of the Ri profile to be positive is removed as this check
is also performed in CVMix.

Tested with SMS.ne30_oECv3_ICG.A_WCYCL2000S.edison_intel and five-year run of
A_WCYCL2000S.ne30_oECv3_ICG.anvil

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jonbob commented Feb 21, 2017

Pushed to master

@jonbob jonbob deleted the jonbob/ocean/CVMix_SmoothRi branch February 21, 2017 18:16
@rljacob rljacob added Coupled Model NML non-BFB PR makes roundoff changes to answers. labels Mar 1, 2017
agsalin pushed a commit that referenced this pull request Apr 13, 2017
First try to support titan restart

Test suite: scripts_regression_tests
Test baseline:
Test namelist changes:
Test status: bit for bit

Fixes #1233

User interface changes?: Support for restarting when node fails (if config_machines.xml has the right variables set)

Code review: JimE, Marianna
rljacob pushed a commit that referenced this pull request May 6, 2021
First try to support titan restart

Test suite: scripts_regression_tests
Test baseline:
Test namelist changes:
Test status: bit for bit

Fixes #1233

User interface changes?: Support for restarting when node fails (if config_machines.xml has the right variables set)

Code review: JimE, Marianna
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3 participants