[MITgcm-support] using low resolution spin up as input to a high resolution model

[Jonny Williams]

Hi everyone

I am currently trying to work out how I can use a 1000 year long spinup of
a 1 degree resolution model as the input to a 0.1 degree equivalent.

Both versions have 48 processors (although clearly I could vary this).

I know how to smooth, regrid and impose the new (high resolution) land/sea
mask on to my pickup files already.

The pickup files are of the form...

*pickup.0000324000.t040.nc <http://pickup.0000324000.t040.nc>*

The problem is that processor number 40 (as indicated at the end of the
above file name) of the 1 degree model does not spatially correspond to
processor number 40 in the 0.1 degree model due to the different processor
decomposition.

One way round this would be to 'glue' the pickup files together into a
global field (using the *gluemncbig* script) BUT then I will surely have to
'unglue' the resulting global field together in order to use it as a
restart for the 0.1 model!

Does anyone have experience of this kind of issue? Presumably I am not the
first to want to do this kind of thing?...

Many thanks for your time!!

Jonny

-- 
Dr Jonny Williams
School of Geographical Sciences
University of Bristol
University Road
BS8 1SS

+44 (0)117 3318352
jonny.williams at bristol.ac.uk
bit.ly/jonnywilliams
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