sea ice fraction

[nadinsel@uchicago_edu]

I am running the CESM F compset with a modified landmask. Now I get an error message saying 'inconistency between land fraction and sea ice fraction'. I changed the ice_ic to 'none' and also changed the ice_cov in the SST intitial file to zero. Where does the model gets the initial sea ice fraction from and how to modify it or turn it off?  

 

[hannay]

The model gets the sea-ice fraction from the variable:
stream_fldfilename
in ice_in.

This is set by the variable:
SSTICE_DATA_FILENAME
in env_run.xmlTo modify this, you need to modify
SSTICE_DATA_FILENAME
in env_run.xml
If you modify the land fraction, you need to modify the sea-ice to be consistent with the land. If you modify the sea-ice you also need to modify the SST to be consistent with the new sea-ice. 

 

[hannay]

See more info: http://bb.cgd.ucar.edu/inconsistency-between-land-fraction-and-sea-ice-fraction