From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>

Date: Wed Jan 23 2013 - 10:10:47 MST

Date: Wed Jan 23 2013 - 10:10:47 MST

The denominators should have a 2nd argumenty

dim_sum_n(dz) ==> dim_sum_n(dz , 0)

dim_sum_n(dz4) ==> dim_sum_n(dz4, 1) ;

On 01/23/2013 09:09 AM, Hyacinth Nnamchi wrote:

*> Thanks for your response Dennis, I'll try out your suggestion.
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*>
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*> Hyacinth
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*>
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*>
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*>
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*> > Date: Mon, 21 Jan 2013 11:26:15 -0700
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*> > From: shea@ucar.edu
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*> > To: hyacinth.1@hotmail.com
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*> > CC: ncl-talk@ucar.edu
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*> > Subject: Re: Vertical averaging using varying depths
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*> >
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*> >
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*> > There can not be function for everything.
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*> > You can always write your own.
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*> > Also, is the (x,y,z,t) fortran ordering???
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*> > Is 'z' one dimensional or 4 dimensional?
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*> >
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*> > let: dz=layer_thickness,
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*> > q=variable, fortran(x,y,z,t)=>ncl(t,z,y,x) ; 0,1,2,3
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*> >
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*> > z_zavg = dim_sum_n(q*dz, 1)/dim_sum_n(dz) ; q and dz (x,y,z,t)
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*> > --
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*> > dz4 = conform(dz,z,1)
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*> > z_zavg = dim_sum_n(q*dz4, 1)/dim_sum_n(dz4) ; q(x,y,z,t), dz(z)
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*> >
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*> > On 1/21/13 10:00 AM, Hyacinth Nnamchi wrote:
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*> > >
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*> & gt; > Hi users,
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*> > > I want to calculate the vertical average of a 4D (x,y,z,t) ocean
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*> variable. The problem is that the depths will have to vary: I want to
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*> use the thermocline depth (already calculated, x,y,t) as the base at
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*> each grid point, for the vertical vertical averaging. Is there a
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*> way/function to do this ncl?
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*> > > Thanks in advance.
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*> > > Hyacinth
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*> > >
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*> > >
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*> > >
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*> > >
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*> > > _______________________________________________
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*> > >
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*>
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*>
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Received on Wed Jan 23 10:11:05 2013

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