Fix issue in PR#1294 to correctly account for IC_NUMERICS option + regression test for this new ice numerics feature

[sbanihash]

Pull Request Summary

Adds IC_NUMERICS to the w3iogrmd.F90, plus addition of a regression test that uses the IC_NUMERICS option (ww3_tic1.1/IC4_M10_icenum)
Changes mod_def file which can be seen in matrix comparisons

Description

This PR addresses issue #1412 by adding the IC_NUMERICS to the w3iogrmd.F90 to make sure mod_def file accounts for the numerics option, and issue #1399 by adding a regression test (ww3_tic1.1/IC4_M10_icenum)

• Mention any labels that should be added: bug +new feature

Issue(s) addressed

fixes issue #1412
addresses #1399

Commit Message

Bug fix for #1412 for IC_NUMERICS
Addition of regtest that turns on the IC_NUMERICS in IC4_M10 test case

Check list

• Branch is up to date with the authoritative repository (NOAA-EMC) develop branch.
• Checked the checklist for a developer submitting to develop.
• If a version number update is required, checked the updating version number checklist.
• If a new feature was added, a regression test for testing the new feature is added.

Testing

How were these changes tested?
Matrix runs and comparisons for the changes made in w3iogrmd.F90 were conducted and results are attached.
Regtest for IC_NUMERICS has also been added as ww3_tic1.1/IC4_M10_icenum. (this additional test will also result in diffs in your matrix runs)

Are the changes covered by regression tests? Yes, see above
Have the matrix regression tests been run (if yes, please note HPC and compiler)?
yes, Hera intel.

Please provide the summary output of matrix.comp (matrix.Diff.txt, matrixCompFull.txt and matrixCompSummary.txt):

With expected mod_def file differences
matrixCompSummary.txt
matrixCompFull.txt
matrixDiff.txt

Taking out all mod_def differences, these are the other known diffs we get:

[erinethomas]

@sbanihash thanks for finding and making a PR to fix this!

[JessicaMeixner-NOAA]

@sbanihash can you add this new variable to: https://github.com/NOAA-EMC/WW3/blob/develop/model/inp/ww3_grid.inp#L456

[sbanihash]

Thanks @JessicaMeixner-NOAA for your review. New variable is added.

[JessicaMeixner-NOAA]

Regression test output is consistent with @sbanihash results. New test: ww3_tic1.1/./work_IC4_M10_icenum + normal diffs + mod_def differences.

matrixCompFull.txt
matrixCompSummary.txt
matrixDiff.txt

[sbanihash]

@erinethomas @dabail10 The testing on our end is complete. Can you please test this branch within your coupled CESM and E3SM runs which was mentioned in the original PR and let us know if it works as expected?

Thanks

[dabail10]

I have run these changes in my CESM3 sandbox and they are running as expected.

[erinethomas]

This is also working as expected in E3SM!

[sbanihash]

Thank you @erinethomas and @dabail10 for confirming. @JessicaMeixner-NOAA I think we are ready for this PR to be merged.