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Re: Mass Transport



Use xbox and zbox:

let meri_transp_box = v*xbox*zbox

If your grid is geographical then this will be transport across each 
gridbox of your section in units of m3/s.

A test is whether meri_transp_box[x=@sum,z=@sum] equals the total 
you found by your original method.

Billy K

> From: "Gabriel Clauzet" <gclauzet@usp.br>
> To: <ferret_users@noaa.gov>
> Subject: Mass Transport
> Date: Tue, 24 May 2005 13:53:55 -0300
> 
> Hi all,
> 
> I calculated the mass transport along a zonal section over the Atlantic.
> I used the @din function to integrate the meridional velocity (v), along X and Z:
> 
> use v_velocity.nc
> let meri_transp= v [y=30s,x=50w:15e@din,k=1:21@din] 
> 
> But this calculation give only the total transport along for ex. 30S. I want to calculate the 
transport in each grid cell and plot a section (XZ) of mass transport. Any idea how can I do that ?? 
I tried to associate the @din function with other (@shf) but doesn't work.
> 
> Best regards
> Gabriel 


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