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v12: Update GOCART RRTMG/RRTMGP handling for new defaults - #878

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v12: Update GOCART RRTMG/RRTMGP handling for new defaults#878
mathomp4 wants to merge 2 commits into
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feature/v12-rrtmgp-default

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@mathomp4 mathomp4 commented May 21, 2026

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Summary

When GEOS-ESM/GOCART#389 is merged, GOCART will default to RRTMGP optics. At that point, the @RRTMGP_RADIATION sed block that converted RRTMGRRTMGP in instance rc files at runtime becomes a no-op and has been removed.

In its place, a @RRTMG_RADIATION block is added that downgrades RRTMGPRRTMG for L72 runs, which use RRTMG radiation.

Files changed

  • gcm_run.j
  • gcm_run_benchmark.j
  • gcm_run.j-new_rst_approach
  • gcm_regress.j
  • gcm_forecast.tmpl

Dependencies

Now that GOCART defaults to RRTMGP optics (GEOS-ESM/GOCART#389),
the @RRTMGP_RADIATION sed block (RRTMG->RRTMGP) is a no-op and has
been removed. Replace with @RRTMG_RADIATION block that downgrades
RRTMGP->RRTMG for L72 runs which use RRTMG radiation.
@mathomp4

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Note: This PR depends on GEOS-ESM/GOCART#389 merging first.

@mathomp4 mathomp4 self-assigned this May 21, 2026
@mathomp4 mathomp4 added 0 diff The changes in this pull request have verified to be zero-diff with the target branch. Contingent - DNA Do Not Approve (DNA). These changes are contingent on other PRs labels May 21, 2026
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This PR is being prevented from merging because you have added one of our blocking labels: Contingent - DNA, Needs Lead Approval, Contingent -- Do Not Approve. You'll need to remove it before this PR can be merged.

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This PR is being prevented from merging because you have added one of our blocking labels: Contingent - DNA, Needs Lead Approval, Contingent -- Do Not Approve. You'll need to remove it before this PR can be merged.

@mathomp4
mathomp4 changed the base branch from feature/sdrabenh/gcm_v12 to develop May 28, 2026 18:56
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0 diff The changes in this pull request have verified to be zero-diff with the target branch. Contingent - DNA Do Not Approve (DNA). These changes are contingent on other PRs

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