coupling with land-only sub-domains

[emalod]

NEMO cannot be coupled with atmosphere when 'land-only' subdomains are switched off (jpnij < jpni x jpnj)

A simple modification in cpl_oasis3.F90 is required:

CALL oasis_def_partition ( id_part, paral, nerror, jpiglo*jpjglo )

instead of

CALL oasis_def_partition ( id_part, paral, nerror)

Remark: this may not be compatible with AGRIF zoom coupling

[emalod]

Even though this modification could be helpful for several CMIP6 HiRes? models, it is not mandatory for all group and does not justify an update of nemo_v3_6_STABLE.

This modification doesn't have any side effect on standard coupling (coupling when jpnij = jpni x jpnj)

[mcastril]

Hi,

I think this fix still has not be included into trunk nor nemo_v3_6_STABLE. Could somebody do the update?

As it doesn't have any side effects we think it should go also into STABLE also, to at least give everyone the oportunity to use it for CMIP6. A massive aumount of resources could be saved and we are going to encourage EC-Earth community to use land subdomain removal.

Regards,

[lovato]

The changes were applied to the code.

Check done for v3.6_stable at r8026 and trunk at r8027.