[MITgcm-devel] verification/offline_exf_seaice revisited

Tue Feb 14 19:38:57 EST 2012

Patrick, Ian, Jean-Michel, Gael, and other offline_exf_seaice users and updaters, PLEASE HELP!

How does offline_exf_seaice work?

According to code/README, we (Patrick, Ian, and I) intended to have a time-varying SST specified using climsstfile.
But if we set "climsstTauRelax = 0.0," in data.exf, this will turn off SST relaxation.
This was also the case for the original "tauThetaClimRelax = 0.,"
in data and for 2005-vintage code when we first devised this experiment:

      IF ( tauThetaClimRelax .EQ. 0.D0 ) THEN
       doThetaClimRelax     = .FALSE.
       lambdaThetaClimRelax = 0.D0
      ELSE
       doThetaClimRelax     = .TRUE.
       lambdaThetaClimRelax = 1./tauThetaClimRelax
      ENDIF

Shouldn't we instead specify
 climsstTauRelax    =   deltaT,
so as to have a one-time step adjustment of SST to the value specified in climsstfile ?

Also if we set "tempStepping=.FALSE.," in data, doesn't this shut down all temperature tendency terms?
So I am mystified how offline_exf_seaice does (or did) what it is meant to do?

What am I missing?

Dimitris Menemenlis
cell: 818-625-6498

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mitgcm.org/pipermail/mitgcm-devel/attachments/20120214/a731645a/attachment.htm>