[MITgcm-support] Question on Sequential Physics and Biogeochemistry Simulations in MITgcm

[Manizza, Manfredi]

Hi Rajesh,

I think these two links below can help you with global models with those
two
bgc packages to get familiar with coupled ocean phys-bgc modeling using
MITgcm.

But these are also on-line set ups. It seems you are more interested in
off-line
runs so it requires a bit more search and maybe somebody here can also
provide more
guidance from their own experience.

I hope this helps to get you started though to understand how the coupling
works in MITgcm.

https://github.com/MITgcm-contrib/ecco_darwin/tree/master/v05/3deg

https://github.com/MITgcm/MITgcm/tree/master/verification/global_oce_biogeo_bling

Best of luck
Manfredi

Il giorno gio 11 giu 2026 alle ore 18:49 Killampalli Rajesh <
rajesh70530 at gmail.com> ha scritto:

> Dear MITgcm Support,
>
> I am currently running MITgcm coupled with BLING or DARWIN, where the
> physical and biogeochemical components are integrated simultaneously. I
> would like to know whether it is possible to first run the physical model
> alone and then perform a separate biogeochemical simulation forced by the
> saved physical fields.
>
> Such a configuration would be useful for model tuning and sensitivity
> experiments, and could help reduce computational cost and simplify the
> simulation workflow.
>
> Could you please advise whether such a setup is available in MITgcm and
> point me to any relevant documentation?
>
> Thank you for your help.
>
> Best regards,
> Killampalli Rajesh
>
>  Kind regards
>
>
> ```````````````````````````````````````````````
>
>  Killampalli Rajesh (Research Scholar)
>
>  Centre For Atmospheric Sciences,
>
>  Indian Institute of Technology, Delhi
>
>  Hauz Khas, New Delhi - 110016
>
>  O-Email: asz238484 at iitd.ac.in
> <rajesh93.cstaff at iitd.ac.in>
>
>  P-Email:  rajesh70530 at gmail.com <rajesh93.cstaff at iitd.ac.in>
>
>  Phone: +91 9492068095.
> ```````````````````````````````````````````````
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