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Next round of CAM misc updates - #1635

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cacraigucar wants to merge 17 commits into
ESCOMP:cam_developmentfrom
cacraigucar:cam_misc_changes
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Next round of CAM misc updates#1635
cacraigucar wants to merge 17 commits into
ESCOMP:cam_developmentfrom
cacraigucar:cam_misc_changes

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Closes #1592
Closes #1607

Closes #1603

Closes #1609
Closes #1610

Closes #1611
Closes #1612

Closes #1627

Closes #1630
Closes #1631

PeterHjortLauritzen and others added 16 commits July 8, 2026 11:15
The check has been a no-op since CAM6 ('exit' instead of 'cycle' terminated
the constituent loop on water vapor; see issue ESCOMP#1592). Activating it reveals
the design is not valid: individual chemical species are not conserved under
reactions (only the column sum is).
Assisted-by: claude-fable:5
When GEOS-Chem v14.5 was brought in EBZ was added to solsym at index 89 without its 106.167 value being added to adv_mass;
and TMB was moved from the non-advected tail into the advected block, but its old 106.167 was left behind between TLFUO2 and TRO2

This has immediate consequences for sulfate levels and seasalt and bc_a4 due to broken MAM coupling.

All users of GEOS-Chem within CESM running a tag more recent than cam6_4_090 are advised to apply this fix immediately.
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3 participants