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Running ADAS
First, choose a model tag to build. For this example, we choose GEOSadas-5_9_1_p7.
$ cvs co -P -r GEOSadas-5_9_1_p7 -d g591p8 GEOSadas-5_9
Not the module name GEOSadas-5_9. Unlike AGCM, all ADAS tags have a corresponding module.
$ cd g591p8/src
$ ./parallel_build.csh
Run fvsetup from the bin directory (g591p8/Linux/bin) with the following options (default value chosen for ones not mentioned): [we choose the default value for the initial conditions (FVICS) as well]
AGCM Resolution? [b72]
> C180
OGCM Resolution? [c34]
> f34
EXPID? [u000_C180]
> g591p8
OBSERVING SYSTEM CLASSES?
> "ncep_prep_bufr"
Do Aerosol Analysis (y/n)? [y]
> n
One can, of course, turn on Aerosol Analysis and AOD assimilation here.
A pdf of an example fvsetup session is provided here: fvsetup_session.
FVHOME is the home directory for fvDAS experiment. Resource files, restarts and system output will be stored under this directory. Usually it contains subdiretories:
ana/ first guess/analysis output
anasa/ job script to run stand-alone analysis
daotovs/ daotovs field output
diag/ diagnostic field output
etc/ listings and other odds & ends
fcst/ forecast run directory
fvInput/ process required inputs
obs/ post-analysis ODS files
prog/ prognostic field output
recycle/ latest restart files
rs/ restart files
run/ resource files
$FVHOME/.FVROOT gives the location of the installation bin directory.
Some of these directories (ana/, chem/, diag/, etc/, obs/, rs/) are stored in the archive. After completing the experiment, look in $ARCHIVE/g591p8 (where g591p8 is the experiment ID).
$ cd $FVHOME/run
g5das.j is the job submission script. The number of cpus etc. can be changed here (if they haven't already been changed during setup). Also, if you want to run a single cycle of GSIsa.x & GEOSgcm.x add exit right before 'PART IV'.
$ cd $FVHOME/run
$ qsub g5das.j
g5das creates a scratch directory $NOBACKUP/fvwork.xxxx and runs the experiment there. After the initial setup, GSIsa.x is run with output written to ana.log followed by GEOSgcm.x which writes its output to stdout and fvpsas.log.
Category:SI Team Category:Running the Model