I2000Clm60BgcCrop f19_g17 for excess ice testing

[mvdebolskiy]

Description:

Tests for checking xm2 fix for excess ice.
See ESCOMP/CTSM#3718 and ESCOMP/CTSM#3677

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Case directory:
Locally:

/glade/derecho/scratch/mvdebolskiy/SMS_Ly40.f19_g17.I2000Clm60BgcCrop.derecho_gnu.clm-ExcessIceXm2Fix.ford00_default
/glade/derecho/scratch/mvdebolskiy/SMS_Ly40.f19_g17.I2000Clm60BgcCrop.derecho_gnu.clm-ExcessIceXm2Fix.ford00_fixed
/glade/derecho/scratch/mvdebolskiy/SMS_Ly40.f19_g17.I2000Clm60BgcCrop.derecho_gnu.clm-ExcessIceXm2Fix.ford50_default
/glade/derecho/scratch/mvdebolskiy/SMS_Ly40.f19_g17.I2000Clm60BgcCrop.derecho_gnu.clm-ExcessIceXm2Fix.ford50_fixed

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Sandbox:
https://github.com/mvdebolskiy/CTSM

git tag	test tag	Description
forc00_default	ford00_default	default 5.4.0010
forc50_default	ford50_default	default 5.4.0010 +50degC
forc00_fixed	ford00_fixed	applied xm2 fix
forc50_fixed	ford50_fixed	applied xm2 fix +50degC

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Diagnostics:
Diags (if available)
Plots can be seen in ESCOMP/CTSM#3718

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Output:
In the test RUNDIR's

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Contacts:
@mvdebolskiy

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Extra details:
To recreate all tests:

clmsrc=<some-dir-name>
tagname=<tags-specified-above>
prjct=<your-project-to-charge>
git clone  https://github.com/mvdebolskiy/CTSM $clmsrc
cd $clmsrc
git checkout $tagname
./bin/git-fleximod update
cd ./cime/scripts
./create_test SMS_Ly40.f19_g17.I2000Clm60BgcCrop.derecho_gnu.clm-ExcessIceXm2Fix -t $tagname --walltime 06:00:00 --project $prjct
cd ../../
tagname=<another-tag-from-above>
cd ./cime/scripts
./create_test SMS_Ly40.f19_g17.I2000Clm60BgcCrop.derecho_gnu.clm-ExcessIceXm2Fix -t $tagname --walltime 06:00:00 --project $prjct
# and so on for two other tags