[MITgcm-support] SEAICE - OBCS

[Edwards, Erick (LCDR)]

Developers,

I'm trying to run a model using both the OBCS and SEAICE packages together, but so far I haven't had much luck.  I've compared the relevant files in the "code" and "input" folders to those in the seaice_obcs tutorial in an attempt to isolate the problem, but I haven't been able to get a model to run properly yet.

After I made obvious fixes that appeared as fatal errors in previous STDERR files, the model ran for a little over a dozen iterations before succumbing to "extreme potential temperature" (XPT).

The particular set-up that I've attached is the closest thing to a "null model" that I want to run before adding more interesting forcing.  My gut is telling me that there's something simple that I'm missing in my set-up, like an additional "define" or "undef" or another parameter specified in a "data" file....

I did lower the time step to 30 seconds, to see if this would have an effect, but it did not (it just ran for more iterations before stopping).  I could, of course, continue lowering the time step in an attempt to get rid of the XPT shut-down, but in the past I've always found errors not related to the delta-t and eliminated any XPT problems.

I'm out of ideas on what to try.  If y'all are so inclined, could you take a look at my set-up?  Any pointers would be helpful, I'm sure.

Very respectfully,

Erick Edwards





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