[gradsusr] how to find out vertical integration in grads ...

Matias Mendez matias.mendezp at gmail.com
Mon Jul 22 07:48:32 EDT 2013


Hello KIshore,

You can check that on GrADS function documentation here:

http://www.iges.org/grads/gadoc/gradfuncvint.html


Good luck
Matias


2013/7/22 Kishore Ragi <kishoreragi at gmail.com>

> Dear Davide,
>
> I know from your explanation that with vint and -hdivg we can calculate
> VIMFC ( vertically integrated moisture flux) but, I have a doubt if vint
> function includes the reciprocal of gravitational force (g=9.81)..
>
>
>
> d vint(const(ps,1000),-hdivg(u*qv,v*qv),100)),
>
> where u,v are horizontal wind fields and qv is mixing ratio.
>
> Does above code enough or I should input g term too?
>
> Thank you for the clarification ...
>
> Regards,
>
> Kishore
>
>
> On Thu, May 9, 2013 at 12:55 PM, Davide Sacchetti <
> davide.sacchetti at arpal.gov.it> wrote:
>
>> the first parameter should be a "field" not a value, try this:
>> d vint(const(u,1000),u*v,100)
>> bye bye
>> Davide
>>
>> On Thu, 2013-05-09 at 11:50 +0530, Kishore Ragi wrote:
>> > Dear Davide,
>> >
>> >
>> > vint is not working. It gives the following error:
>> >
>> >
>> >
>> >
>> > d vint(1000,u*v,100)
>> >
>> > Error from VINT:  Incompatible grids.
>> > Segmentation fault
>> >
>> >
>> > Could you please help me solve this problem ..
>> >
>> >
>> > Thank you
>> >
>> >
>> > Regards,
>> >
>> >
>> > Kishore
>> >
>> >
>> > On Tue, May 7, 2013 at 12:34 PM, Davide Sacchetti
>> > <davide.sacchetti at arpal.gov.it> wrote:
>> >         look for "vint" function, in online manual
>> >         bye bye
>> >         Davide
>> >
>> >         On Tue, 2013-05-07 at 10:40 +0530, Kishore Ragi wrote:
>> >         > Dear grads users,
>> >         >
>> >         >
>> >         > I want to calculate the following vertical integrations from
>> >         0 to
>> >         > Ps(Surface pressure)
>> >         >
>> >         >
>> >         > u.del(q) dp
>> >         > q del.(u) dp
>> >         > del.(uq) dp
>> >         >
>> >         >
>> >         > Could you please anybody direct me to write a grads to
>> >         calculate the
>> >         > above?
>> >         >
>> >         >
>> >         > Thank you the help in advance..
>> >         >
>> >         >
>> >         > Regards,
>> >         >
>> >         >
>> >         > Kishore
>> >
>> >         > _______________________________________________
>> >         > gradsusr mailing list
>> >         > gradsusr at gradsusr.org
>> >         > http://gradsusr.org/mailman/listinfo/gradsusr
>> >
>> >         --
>> >         --> Attenzione cambio indirizzo: davide.sacchetti at arpal.gov.it
>> >         --
>> >         Davide Sacchetti
>> >         Centro Funzionale Meteo Idrologico di Protezione Civile della
>> >         Regione Liguria
>> >         ARPAL Unità Tecnica Complessa di livello Regionale
>> >         V.le Brigare Partigiane 2 16121 Genova (I)
>> >         tel: +39 010 6437535                    fax: +39 010 6437520
>> >         mail: davide.sacchetti at arpal.gov.it     web:
>> >         www.meteoliguria.it
>> >
>> >
>> >         _______________________________________________
>> >         gradsusr mailing list
>> >         gradsusr at gradsusr.org
>> >         http://gradsusr.org/mailman/listinfo/gradsusr
>> >
>> >
>> > _______________________________________________
>> > gradsusr mailing list
>> > gradsusr at gradsusr.org
>> > http://gradsusr.org/mailman/listinfo/gradsusr
>>
>> --
>> --> Attenzione cambio indirizzo: davide.sacchetti at arpal.gov.it
>> --
>> Davide Sacchetti
>> Centro Funzionale Meteo Idrologico di Protezione Civile della Regione
>> Liguria
>> ARPAL Unità Tecnica Complessa di livello Regionale
>> V.le Brigare Partigiane 2 16121 Genova (I)
>> tel: +39 010 6437535                    fax: +39 010 6437520
>> mail: davide.sacchetti at arpal.gov.it     web: www.meteoliguria.it
>>
>>
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>> gradsusr mailing list
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>>
>
>
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