[MITgcm-support] CS64 grid

[Anthony Coletti]

Is the sea ice dynamics time step located in data file or data.seaice?

These are the time steps in data file:

deltaTmom = 1200.,
deltaTtracer = 86400.,
deltaTfreesurf = 86400.,
deltaTclock = 86400.,


Anthony



Anthony J. Coletti
Climate System Research Center
Department of Geosciences
Morrill Building
611 N. Pleasant Street
233 Morrill Science Center
University of Massachusetts-Amherst
paleoclimate.org
Email: ajcolett at geo.umass.edu
http://blogs.umass.edu/ajcolett/

“For me, I am driven by two main philosophies: know more today about the world than I knew yesterday and lessen the  suffering of others. You'd be surprised how far that gets you.” ― Neil deGrasse Tyson




On Feb 10, 2014, at 10:53 AM, Dimitris Menemenlis <dmenemenlis at gmail.com> wrote:

> Do you use 1-day time steps for sea ice dynamics?
> With such large time steps, I am guessing that LSR
> solver would be very inaccurate, if it works at all.
> 
> Dimitris Menemenlis
> 
> On Feb 10, 2014, at 7:47 AM, Anthony Coletti <ajcolett at geo.umass.edu> wrote:
> 
>> Thanks Dimitris!
>> 
>> One other question (I also CC’d the MITgcm community).  Does anyone have any idea why I am growing +200m thick sea ice in the Arctic?  I am using pkg/seaice.  I originally thought it may have been my time step blowing up, but I lowered it from 2 days down to 1 day and I still get crazy amounts of sea ice.  This creates r*starr calculation errors.  I am running a CS32x6x32x15 grid - so it is quite coarse.
>> 
>> Thanks!
>> 
>> Anthony
> 

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