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Using a spun-up ocean to initialize active ocean-ice (G compset) run

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Using a spun-up ocean to initialize active ocean-ice (G compset) run



I'm trying to set up an ocean-ice (G_1850_cam5) simulation with a spun-up ocean condition. It iis desired that the simulation essetnially be a restart from the spun up ocean-ice from a coupled simulation.

I read from the user's guide that I could use the 'spunup' suboption under a startup run type. However, in this case, it looks like the model only uses the ocean restart but not the ice. And the ice model has instability issues after several minutes of running (ERROR: remap transport: bad departure points).


My question is:

Can I set the run type to a hybrid run instead of a "spunup start up"?  This way the ocean model and the ice model will both restart from the previous run. What would be the difference between this hybrid run and a spun up startup?



Thanks very much in advance!




Hello there Hui,

I awonder if you got this problem resolveed. as I am also confused by a startup run with spunup ocean. I think if you use restaert from a spun-up model to do a hybrid run, then your ocen should start from a spunup status then. But why the user's guide indicates that you need to do a startup run to let the ocean to start from spun-up status.

Cheers, Alcide

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