[ecco-support] Vertical grid in ECCOv4 r2

[David Ferreira]

Hi Dave,
Wery likely the field haven't been interpolated back onto the z grid (Gael could confirm this or not).
But, the difference between z and z* is very small anyway, typically less that the free surface height. So for many purposes, it does not matter much.
My guess is that for a northern boundary restoring field, it would not be a big deal to interpret the z* values as being at the z level.
cheers,
david


________________________________________
From: ecco-support-bounces at mit.edu [ecco-support-bounces at mit.edu] on behalf of Munday, Dave [danday at bas.ac.uk]
Sent: Friday, March 24, 2017 11:23 AM
To: ecco-support at mit.edu
Subject: [ecco-support] Vertical grid in ECCOv4 r2

Hi folks,

I’ve been looking into using ECCOv4 to provide stratification for a restoring condition at the northern boundary of a Southern Ocean model. I want a climatology so that I can run the other model for a long time and the interp_climatology fields that I found on the ftp site look ideal.

In poking around, however, I noticed that ECCOv4 uses rstar coordinates, but that all of the fields give the same depth in the output files. Is this because the interp_climatology has been averaged back on to that vertical grid? Or do I need to worry about the actual vertical locations of the temperature/salinity points?

Many thanks,

Dave
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