[MITgcm-support] query regarding "exf" package

[himansu pradhan]

Thank you Sir,

I am working on implementing the "exf" package.

On Mon, Dec 19, 2011 at 2:18 PM, Martin Losch <Martin.Losch at awi.de> wrote:

> Himansu,
>
> On Dec 17, 2011, at 2:39 PM, himansu pradhan wrote:
>
> > Hi MITgcm users,
> >
> > I have been trying to use "exf" package. For this i have set :
> >
> >  exf                                  <---- included in "packages.conf"
> >  useEXF=.TRUE.,          <---- in "data.pkg"
> >
> > and my "data.exf" looks like :
> >
> > #
> > # *********************
> > # External Forcing Data
> > # *********************
> >  &EXF_NML_01
> >  exf_iprec         = 64,
> >  &
> >
> > # *********************
> >  &EXF_NML_02
> >
> >  ustressstartdate1=20110101,
> >  ustressstartdate2=000000,
> >  ustressperiod=21600.0,
> > #
> >  vstressstartdate1=20110101,
> >  vstressstartdate2=000000,
> >  vstressperiod=21600.0,                   <------- for a period of
> 6hours.
> > #
> >  ustressfile  = 'pUwindstr.bin',           <------- my windstress
> component files.
> >  vstressfile  = 'pVwindstr.bin',
> > #
> >  &
> > ............
> >
> > But the model run gives the following error :
> >
> > [SVBabu at SVBabu input]$ ./mitgcmuv > 17dec1.txt
> > STOP S/R EXF_CHECK: Select 1 wind-stress position: A or C-grid
> I guess the message is clear: "Select 1 wind-stress position: A or C-grid"
> (there is a parameter that you need to set: readStressOnAgrid,
> readStressOnCgrid,see exf_readparms.F/EXF_PARAM.h for details)
> >
> >
> > Do help/suggest...................
> >
> > to note further , i have commented out
> >
> > #define ALLOW ATM_WIND             <------- EXF_OPTIONS.h
> > to get rid of the error "STOP S/R EXF_CHECK: use u,v_wind stress
> components but not u,v_wind "
> > ( as suggested in mitgcm-support earlier)
> >
> > One more doubt to add :
> >
> > I want to give boundary forcings at different boundaries ( using
> boundary files in "data.obcs")
> >  periodcally ( using periodicForcing, externForcingperiod and
> externForcingcycle in "data").
> >
> > Can i use these periodically boundary forcing files along with "exf"
> package. ???????
> With exf you (probably) cannot use periodicForcing, externForcingperiod
> and externForcingcycle in "data"), but you can use data.exf for similar
> functionality, e.g:
>  &EXF_NML_OBCS
>  obcsStartDate1 = ????
>  obcsStartDate2 = ????
>  obcsPeriod = ???
>  &
> If you still want to use the old parameters in data (I can see why), then
> you need to change obcs_prescribe_read.F. You could add a flag, useEXFobcs
> (which is =useEXF by default, but can be set in data.obcs)
>
> M.
> >
> > Thanking all in advance,
> >
> > Himansu
> > _______________________________________________
> > MITgcm-support mailing list
> > MITgcm-support at mitgcm.org
> > http://mitgcm.org/mailman/listinfo/mitgcm-support
>
>
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