[MITgcm-support] BLING with variable atmospheric pCO2

[Dave Munday - BAS]

Hi all,

I’ve been setting up an idealised model with the intention to use BLING to look at carbon cycling. From looking at the code, I don’t think BLING has an option to have the atmospheric pCO2 dynamically evolve with the ocean carbon storage, like the DIC package does. I could impose a changing pCO2 via input from EXF, but I want to try and conserve the total atmosphere+ocean carbon inventory.

Has anyone coded up this option for BLING? Or got some advice on where to start? I’ve been comparing with DIC and it looks like I need to port the calculations in dic_atmos.F across to BLING and then call if from somewhere appropriate. I think this might be in gchem_forcing_sep.F, solely because DIC calls DIC_ATMOS there.

Many thanks,

Dave


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