Five level intermediate atmospheric physics example.
Experimental configuration is an equatorial channel.
+/- 30 degrees wide with a warm pool SST anomaly extending over 
twenty degrees zonally and +/- 10 degrees meridionally.
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o To reproduce the run : 

The genmake options are in .genmakerc, so that the simplest form
of genmake can be used :
cd input
../../../tools/genmake
make depend
make

mitgcmuv

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Notes:
* To produce a short test that is relevant for the Atmosphere physics part,
  a restart file (pickup.0000008640) is included. Otherwise, starting from
  rest requires several days of spin up.
* Need to add a sink of heat or a restoring term near N & S boundaries
  to balance the radiative heating. As it is now, it cannot be integrated
  more than 7 or 8 months.
* many sources in "code" are identical or very similar to the "aim_5l_LatLon"
  test and will became part of the pkg/aim code.
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Northern boundary : 
o initially, the domain (SIZE.h) 128x24x5 with a land line as the Northern 
  boundary, reduciong the effective domain to 128x23x5. 
o To have a more efficient code (and a good starting point for MIT Atmos.
  Physics), the new domain (SIZE.h) is now 128x23x5 . 
  Northern and Southern boundaries are "closed" like the in Lat-Lon set-up.