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kuanglfs (one of the disk holding inputdata) is close to end of life. If you have issues accessing that disk, try to |
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What is CESM / CAM / SPCAM?
(Please add more)
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What is CESM / CAM / SPCAM?
(Please add more)
CESM is earth system model.
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If you need POP2 (e.g. compset B), enter cpan, key in: install Switch, then exit cpan.
cp /n/home05/pchan/spcam2_0-cesm1_1_1/scripts/create_new_build.sh ~/ #please copy a newer version after the CentOS7 update
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How namelists are built in CESM?
$RUNDIR/*_in are namelists directly read by Fortran program. They are recommended NOT to be edited directly, but instead, indirectly through user_nl_* and env_*.xml. The processes of indirectly creating namelists are as follows:
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- preview_namelists
- calls Buildconf/$comp.buildnml.csh
- copies *_in to CaseDocs/
- Buildconf/$comp.buildnml.csh
- call $CCSMROOT/models/**/bld/build-namelist, which create namelist Buildconf/*conf/*_in
- copy *_in to $RUNDIR (overwrite)
- build-namelist
- takes “infile” from user_nl_*
- writes out Buildconf/*conf/*_in and Buildconf/*.input_data_list
When job is submitted:
- $CASE.submit submits $CASE.run
- $CASE.run calls preview_namelists
- Same things happen again.
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How to modify namelists in CESM?
If possible, always use user_nl_* and env_*.xml.
E.g. ./xmlchange SSTICE_DATA_FILENAME=/path/to/new_sst.nc
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If impossible, manually change $RUNDIR/*_in, and disable copying (overwriting) in Buildconf/$comp.buildnml.csh
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grep -Ev '^\s*$|^\s*!' user_nl_*
can display all non-empty uncommented lines in user_nl_*./preview_namelists can update namelists (and input_data_list)
- grep '' Buildconf/*.input_data_list
can list out all input data. DIN_LOC_ROOT=`./xmlquery -valonly -silent DIN_LOC_ROOT`
./check_input_data -inputdata $DIN_LOC_ROOT -check
can check input dataSection &seq_infodata_inparm in drv_in can be checked in $RUNDIR/cpl.log.$LID
Always compare default namelist and new namelist
Sometimes, user_nl_* are not interpreted literally. E.g. specifying prescribed_ozone_file could remove lines for prescribed_ozone_cycle_yr, prescribed_ozone_name, etc.
Never edit namelist in CaseDocs/ or Buildconf/, they are overwritten every time and NOT read by Fortran program.
References:
http://jules-lsm.github.io/vn4.2/namelists/intro.html
http://www.lahey.com/docs/lfpro73help/f95arnameliststmt.htm
http://www.codezone.co.uk/fortran/namelist.shtml
http://www.cesm.ucar.edu/models/cesm1.1/cesm/doc/usersguide/c1128.html
http://www.cesm.ucar.edu/events/tutorials/2016/practical4-hannay.pdf
Compset
Compset is a short form for "component set", which specifies component models, forcing scenarios and physics options for those models.
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1. Missing pio directory in /models/utils/pio
Solution:
svn checkout https://github.com/NCAR/ParallelIO.git/tags/pio1_8_12/pio ./cesm1_2_2/models/utils/pio
2. Missing genf90.pl file
Solution:
svn checkout https://github.com/PARALLELIO/genf90/tags/genf90_140121 ./cesm1_2_2/tools/cprnc/genf90
Unconfirmed: aquaplanet - src.aquap do not take effect.
References
http://www.cesm.ucar.edu/events/tutorials/2016/coursework.html (look for practical sessions)
spcam-workshop-jul2013.pdf/genf90
Unconfirmed: aquaplanet - src.aquap do not take effect.
References
http://www.cesm.ucar.edu/events/tutorials/2016/coursework.html (look for practical sessions)
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