[MITgcm-support] Irregular Vertical Grid and OBCS

Senja Walberg senja.w at gmail.com
Mon Mar 18 11:40:09 EDT 2019


How does OBCS handle irregular vertical grid spacing? I'm currently running
a simulation which uses an irregular vertical grid, and generating the OBCS
boundary files based on this irregular spacing. I also have a version which
generates the OBCS fields based on a regular vertical grid. The irregular
version is consistently breaking after about 10 simulated days,. The
regular version is running fine, but I'm unsure of whether it is set up
correctly.

My Parm04 is like this:
 &PARM04
 usingCartesianGrid=.TRUE.,
 usingSphericalPolarGrid=.FALSE.,
 delX=784*500.0,
 delY=352*500.0,
# delZ=80*0.782,
 delz=0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,
    0.3750,0.3750,0.3750,0.3750,0.50,0.50,0.50,0.50,0.50,0.50,
    0.50,0.50,0.50,0.50,0.50,0.50,0.50,0.50,0.50,0.50,
    0.50,0.50,0.50,0.50,0.50,0.50,0.50,0.50,0.50,0.50,
    0.50,0.50,0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,
    0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,0.3750,0.50,0.50,
    1.00,1.00,1.00,1.00,1.50,1.50,1.50,1.50,2.00,2.00,
    2.00,2.00,2.50,2.50,2.50,2.50,2.50,2.50,2.50,2.50,

To be clear, when I generate my "irregular" version, I mean that that my
array is vertically scaled to correspond with the spacing list specified by
delz.

Senja
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