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ESCOMP / CMEPS

NUOPC Community Mediator for Earth Prediction Systems
https://escomp.github.io/CMEPS/
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Add marbl #493

Closed mnlevy1981 closed 1 month ago

mnlevy1981 commented 1 month ago

Description of changes

Update CESM component environment variables when turning MARBL tracers on changes expected default values. Also removed default values that are based on having POP2 as the ocean component since it is no longer available.

Specific notes

Want CCSM_BGC=CO2A and CCSM_CO2_PPMV=284.317 when MOM6 is configured with MARBL tracers.

Contributors other than yourself, if any:

CMEPS Issues Fixed (include github issue #):

Are changes expected to change answers? This is technically bit-for-bit since it will not change answers unless MARBL is turned on and there are currently no tests with MARBL active.

Any User Interface Changes (namelist or namelist defaults changes)?

Testing performed

I've run aux_mom with these changes, and confirmed bfb in non-MARBL configurations.

mnlevy1981 commented 1 month ago

We can't make cesm3_0_alpha03b without this PR merged in, but it can go into alpha03a (it doesn't require any specific tags in alpha03b)

mnlevy1981 commented 1 month ago

With the change to the plans database, this is needed in 3_0_alpha03a (the MOM6 tag with MARBL is coming in that tag, not alpha03b)