[MITgcm-support] Passive tracer diagnostics

[Jean-Michel Campin]

Hi Yuan,

In data.diagnostics, If you set 
a positive frequency, you get time averaged output.
a negative frequency will give you snap-shot.

Did you check what is written in the documentation, section 7.1 ?
I have the impression that this is not clearly explained in the manual.

And ane way to estimate transient eddies transport is 
 UTRAC - UVELMASS*[TRAC]
with [TRAC] = ( TRAC(i-1)+TRAC(i) )/2 

Cheers,
Jean-Michel

On Fri, Jul 29, 2011 at 01:32:31AM -0700, Yuan Lian wrote:
> Hi,
> 
> I am trying to diagnose the eddy transport of passive tracers,
> especially the tracer transport by
> transient eddies. I noticed ptracers package has the output for the
> zonal and meridional fluxes
> of tracers (UTRAC and VTRAC for instance). Are they snapshot or time
> averaged outputs? If I want
> the time averaged UTRAC and VTRAC, how do I set the time average frequency?
> 
> Thanks much for your help!
> 
> Best,
> Yuan
> 
> 
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