[MITgcm-support] ideal age tracer

David Ferreira dfer at mit.edu
Wed May 24 10:32:09 EDT 2017

Hi Alexandre,
To add to Jean Michel's response, this setup uses a 10-day relaxation timescale at the surface, which is a bit long. You could go down to a timescale of a few time steps (in your case a few hours).
Another point, you could use the rbcs package to do the surface relaxation (instead of hard coded bit in ptracers_forcing_surf.F). The advantage is that the relaxation timescale is then a runtime parameter.


From: Alexandre Pohl [pohl at cerege.fr]
Sent: Wednesday, May 24, 2017 3:39 AM
To: mitgcm-support at mitgcm.org
Subject: Re: [MITgcm-support] ideal age tracer

Hi Jean-Michel,

Thank you for your answer. I will take a look at these files, to see if it is feasible make such an ideal age tracer work with the dic pkg.

I think that it would be really helpful to have this output to interpret changes in oxygen concentration in the ocean between different model runs.

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