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cam6_4_151: GEOS-Chem within CESM: fix MAM4 mapping for SO4 in default configuration#1481

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jimmielin merged 3 commits intoESCOMP:cam_developmentfrom
jimmielin:hplin/fix_gc_so4_presc
Feb 12, 2026
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cam6_4_151: GEOS-Chem within CESM: fix MAM4 mapping for SO4 in default configuration#1481
jimmielin merged 3 commits intoESCOMP:cam_developmentfrom
jimmielin:hplin/fix_gc_so4_presc

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Fixes #1480

This affects GEOS-Chem chemistry only (_GC compsets) and is answer-changing for GEOS-Chem compsets.

It is highly preferable if this could go in CESM3.0 as it has high impact to outputs in GEOS-Chem 14.5+ (potentially earlier) in CESM and the answer changes only affect the GEOS-Chem compsets

@jimmielin jimmielin requested a review from lizziel February 11, 2026 04:13
@jimmielin jimmielin self-assigned this Feb 11, 2026
@cacraigucar cacraigucar changed the title GEOS-Chem within CESM: fix MAM4 mapping for SO4 in default configuration cam6_4_151: GEOS-Chem within CESM: fix MAM4 mapping for SO4 in default configuration Feb 11, 2026
@jimmielin jimmielin merged commit a61da18 into ESCOMP:cam_development Feb 12, 2026
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3 participants