TOC(heading=Using libIGCM library with ORCA2_LIM nemo_v3_6, depth=2, libIGCM/setupsimupage, libIGCM/change_BC, libIGCM/postprocessingpage, libIGCM/postalreadyrunpage, libIGCM_nemo_v_3_4/parallelpage_3_4, libIGCM/common_account, libIGCM/suggestpage, libIGCM/appendixpage )?

Using libIGCM library with ORCA2_LIM for nemo_v3_6

Purposes

Through libIGCM give an example of run of configuration ORCA1_LIM3_PISCES with :

• Climatological and Interannual (years from 1948 to 2009) forcing files COREII
• outputs:
  • ocean: 1D 5D 1M 1Y
  • ice: 1M
  • biology: 1D 1M 1Y

• RESTARTS every year
• on Idris ADA machine

Official documentation of Libigcm is :

​https://forge.ipsl.jussieu.fr/igcmg_doc/wiki/Doc

Quick start guide :http://www.nemo-ocean.eu/Using-NEMO/Configurations/

Create and go into working directory :

•  mkdir TP-NEMO-libIGCM ; cd TP-NEMO-libIGCM
  
  

• Define the following alias to use SVN :

 alias svn_ano='svn co http://forge.ipsl.jussieu.fr/igcmg/svn/modipsl/trunk modipsl'

• Extract modipsl (modipsl with libIGCM)
  

   svn_ano
  

• Extract the model "NEMO_v6":
  

  cd modipsl/util    **
   ./model NEMO_v6
  

  
  (verify NEMOGCM revision in modipsl/util/mod.def file: (fixed revision of NEMO: 5618)
  • #-H- NEMO_v6 NEMOGCM for CMIP6 exercise
    #-H- NEMO_v6 libIGCM tag libIGCM_v2.6
    #-M- NEMO_v6 Christian.Ethe@…
    #-C- NEMO_v6 tags/libIGCM_v2.7 HEAD 10 libIGCM .
    #-C- NEMO_v6 branches/2015/nemo_v3_6_STABLE/NEMOGCM 5618 7 . modeles
  • #-C- NEMO_v6 trunk/ORCA1_LIM3_PISCES HEAD 17 . modeles/NEMOGCM/CONFIG
  • #-C- NEMO_v6 branches/2015/nemo_v3_6_STABLE/NEMOGCM 5618 7 . modeles
  • #-C- NEMO_v6 CONFIG/UNIFORM/v6/NEMO_v6 HEAD 8 NEMO_v6 config
    )
    

• The OFFICIAL repository for the CONFIG ORCA1_LIM3_PISCES is the web site shaconemo: ​https://forge.ipsl.jussieu.fr/shaconemo/wiki/README_ORCA1_LIM3_PISCES
• Compile ORCA1_LIM3_PISCES configuration  (Using ./makenemo -h to see help ( to see list of compilers availables, to see options,...))

cd ../modeles/NEMOGCM/CONFIG
 ./makenemo -n ORCA1_LIM3_PISCES -m X64_ADA -j8

 -j0 option create only configuration directory but does not compile it
 -j8 compile with 8 proc for compilation phase (but you do not have parallel code compiled)

• Copy executable nemo.exe in modipsl :

cd ../../../bin
ln -s ../modeles/NEMOGCM/CONFIG/ORCA1_LIM3_PISCES/BLD/bin/nemo.exe nemo.exe

FORCING FILES?????? /gpfs5r/workgpfs/rech/gzi/rgzi002/IGCM/BC/OCE/ORCA1_LIM3_PISCES/v3_6_STABLE or: /workgpfs/rech/omr/romr006/FORCING/ORCA1_LIM3_PISCES/ ?????

• attach figure libigcm (pas possible, just en download! )

• Copy config.card file into modipsl/config/NEMO_v6

 cd modipsl/config/NEMO_v6
 cp EXPERIMENTS/ORCA1_LIM3_PISCES/clim/config.card . 

• Editing at this point modipsl/config/NEMO_v6/EXPERIMENTS/ORCA1_LIM3_PISCES/clim/config.card (according to iodef.xml file)

 vi modipsl/config/NEMO_v6/EXPERIMENTS/ORCA1_LIM3_PISCES/clim/config.card  
 # Modify  AT LEAST JobName=EXP00

NOTE : for ada ( idris ) machine starting from revision 2021 of trunk of libigcm it is possible to add in [Post] section of config.card options
[Post]
SpaceName? =PROD (to have IGCM_OUT on gaya)
PackFrequency? =10Y (to have pack option; i.e. only one tar file)

• Editing at this point modipsl/config/NEMO_v6/EXPERIMENTS/ORCA1_LIM3_PISCES/clim/COMP/xios.card
• Editing at this point modipsl/config/NEMO_v6/EXPERIMENTS/ORCA1_LIM3_PISCES/clim/COMP/opa9.card
• Editing at this point modipsl/config/NEMO_v6/EXPERIMENTS/ORCA1_LIM3_PISCES/clim/COMP/lim3.card
• Editing at this point modipsl/config/NEMO_v6/EXPERIMENTS/ORCA1_LIM3_PISCES/clim/COMP/pisces.card

• Create Job :

cd ../../     (back into modipsl directory) 

./util/ins_job

ls modipsl/config/NEMO_v6
	GENERAL
        EXPERIMENTS
        EXP00  #new submission directory, config card is now HERE

*#### OLD VERSION

see : setupsimupage

• Submit Job :
  

  cd ../     (back into modipsl directory) 
  

  ./util/ins_job
   cd ../config/ORCA2_LIM/IGCM00 
   llsubmit Job_Name
  

And also see useful remarks: suggestpage

If you want to switch from climatological to interannual see: change_BC

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