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Cdeps 1850 aero co2 ndep updates#4008

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ekluzek wants to merge 5 commits into
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ekluzek:cdeps_1850_aero_co2_ndep_updates
Draft

Cdeps 1850 aero co2 ndep updates#4008
ekluzek wants to merge 5 commits into
ESCOMP:masterfrom
ekluzek:cdeps_1850_aero_co2_ndep_updates

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@ekluzek ekluzek commented May 10, 2026

Description of changes

Update CPLHIST and 1850 compsets to point to the new CMIP7 CO2, ndep, aerosols from either CMIP7 or latest coupled spinup simulations.

Specific notes

Contributors other than yourself, if any:

CTSM issues resolved or otherwise addressed, if any:

If answers are expected to change, describe (delete this line otherwise): Yes!
clm6_0 1850 compsets will be different

Any user interface changes (namelist or namelist defaults changes)? No

Testing planned or performed, if any:

  • Regular aux_clm testing

Requirements before merge:

  • The code in this PR branch builds with no errors.
  • The code in this PR branch runs with no errors. Briefly describe tested configuration(s):
  • This either (a) does not change answers, (b) it only changes answers at roundoff level, or (c) I have performed a scientific evaluation of the answer changes. Which?: c
  • I have reviewed relevant parts of the CLM documentation Tech Note or User's Guide to determine if anything needs to be changed or added. If it does, describe:
  • This PR either (a) does not create a need to update the documentation or (b) includes required documentation updates (see guidelines for contributing documentation). Which?:

@ekluzek ekluzek self-assigned this May 10, 2026
@ekluzek ekluzek added enhancement new capability or improved behavior of existing capability priority: high High priority to fix/merge soon, e.g., because it is a problem in important configurations external issue needs to be addressed elsewhere (submodule); issue here for the sake of project tracking science Enhancement to or bug impacting science PR status: needs testing labels May 10, 2026
@github-project-automation github-project-automation Bot moved this to Ready to start (or start again) in CTSM: Upcoming tags May 10, 2026
@ekluzek ekluzek added non-b4b Changes answers (incl. adding tests) test: aux_clm Pass aux_clm suite before merging test: ctsm_sci Run and check ctsm_sci suite before merging test: fates Pass fates test suite before merging labels May 10, 2026
@ekluzek ekluzek moved this from Ready to start (or start again) to In progress - master in CTSM: Upcoming tags May 10, 2026
@ekluzek ekluzek moved this from Todo to In Progress in LMWG: Sprint Planning Board May 11, 2026
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enhancement new capability or improved behavior of existing capability external issue needs to be addressed elsewhere (submodule); issue here for the sake of project tracking non-b4b Changes answers (incl. adding tests) PR status: needs testing priority: high High priority to fix/merge soon, e.g., because it is a problem in important configurations science Enhancement to or bug impacting science test: aux_clm Pass aux_clm suite before merging test: ctsm_sci Run and check ctsm_sci suite before merging test: fates Pass fates test suite before merging

Projects

Status: In progress - master
Status: In Progress

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