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Variables and their dimensions in the ice Initial data


I am running a g-case (ocean-ice coupled). One problem is that
the arctic ice melt so much initially that the upper ocean water in the
North Atlantic is too light.

I undertand that the initial ice data is derived from a fully coupled
model run. It is a binary file: iced.0001-01-01.gx3v7_20080212.

I am trying to find a way to reduce the ice thikcness in this initial
condition file. But, I have no idea what variables are contained
in this file. It would be very helpful to know the variables and their
dimensions included in this file.

Thank you.