Changes between Version 84 and Version 85 of Projects/NEMOVAR/Notes


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Timestamp:
04/08/15 12:11:21 (4 years ago)
Author:
cthomas
Comment:

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  • Projects/NEMOVAR/Notes

    v84 v85  
    348348 
    349349 
     350 
    350351=== Stage 1: Obsoper === 
    351352 
     
    432433 
    433434 
     435==== Running NEMO ==== 
     436 
     437After NEMO and CICE have been configured they are run (using MPI).  
     438 
     439When the job finishes the innovations are linked to  
     440the directory `$OUTDIR_INNOVATIONS` (corresponding to `$ROSE_DATAC/innovations`).  
     441 
     442The following links to the NEMO restarts and bias files are created: 
     443{{{ 
     444ln -sf $CYLC_TASK_WORK_DIR/${RUNID}o_$(printf "%08d" ${TIME_STEPS_PER_CYCLE})_analysis_restart_${printf "%04d" $i}.nc  
     445$OUTDIR_ANALYSIS_RESTARTS/restart_$(printf "%04d" $i).nc 
     446ln -sf $CYLC_TASK_WORK_DIR/${RUNID}o_$(printf "%08d" ${TIME_STEPS_PER_CYCLE})_pcbias_${printf "%04d" $i}.nc  
     447$OUTDIR_ANALYSIS_RESTARTS/pcbias_$(printf "%04d" $i).nc 
     448}}} 
     449Then, in `$CYLC_TASK_WORK_DIR`, the 192 files that have been produced for each observation type are recombined into one file.  
     450For example, 
     451{{{ 
     452fbcomb.exe ${OUTDIR_INNOVATIONS}/profb_01.nc ./profb*fdbk_*.nc 
     453}}} 
     454is used to combine the profile files.  
     455 
     456Finally the assimilation background files are linked as follows 
     457{{{ 
     458ln -sf ${CYLC_TASK_WORK_DIR}/assim_background_state_Jb*.nc ${OUTDIR_ASSIM_BACKGROUND} 
     459}}} 
     460where `${OUTDIR_ASSIM_BACKGROUND}` corresponds to `$ROSE_DATAC/assim_background`.  
     461 
     462At the end of this stage, the NEMO stdout and solver stats are written to stdout.  
     463 
     464To summarise, the obsoper step configures and runs NEMO-CICE, before copying the innovations (**y** - //H//(**x,,b,,**)) and  
     465assimilation background for use in the next step.  
     466 
     467 
     468 
    434469=== Stage 2: NEMOVAR === 
    435470