[MITgcm-support] imposing sea ice

[Jean-Michel Campin]

Hi Hannah,

There is already some code within pkg/exf to read-in seaice concentration:
with #define EXF_SEAICE_FRACTION, the field variable name is "exf_iceFraction" and
the parameters associated to are areamask[...] (e.g., ... areamaskfile, areamaskperiod ...).

Now this field is not used in many places, and you may want to add/change how this
sea-ice fraction that is read from files influences your simulation.

Cheers,
Jean-Michel

On Tue, Feb 22, 2022 at 10:03:17AM +0000, BISCHOF Hannah wrote:
> Hi,
> I am running a 3D ocean model and was wondering if there is any way of imposing sea ice as an external forcing from a data file instead of computing it within the model? I.e. I want the ocean to be forced by known sea ice conditions which are not in turn influenced by the ocean.
> I have considered disabling the seaice package and mimicking the effect of sea ice by adapting exf fields (using e.g. the SIempmr and sifu/v diagnostics from a previous model run including the seaice package), but I'm wondering if there is a more direct way of doing this.
> Thanks!
> Hannah
> 
> 
> 
> --------------------------------------------------------------------------------------------------------------------
> Hannah Bischof (she/her)
> PhD student - School of GeoSciences
> University of Edinburgh
> 
> 
> 
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