[MITgcm-devel] problem with 59c

[Martin Losch]

Hi Dimitris,
this cs510 really is a tin of worms, huh?

Martin

On 6 Jul 2007, at 03:26, Dimitris Menemenlis wrote:

> Martin and Jinlun, a short update on problem that I was having with  
> 59c.  The problem seemed to be caused by some weird combination of  
> ocean and sea ice initial conditions, which caused some full-ocean- 
> depth and sea-ice interaction instability in the integration.   
> Small random changes made this instability go away or not.  Thus it  
> was not directly related to ZMIN, except in so far that this change  
> was sufficient at times to remove the instability.  The solution  
> for time being is to restart from climatological initial conditions  
> and hope that this instability will not reappear.  Starting from  
> PHC January initial conditions, I am now able to integrate stably,  
> including all the latest bells and whistles in the code, i.e.,  
> useRealFreshWaterFlux, os7mp advection, salinity-dependent freezing  
> point, salt retention in the ice, and multicategory ice.  Dimitris
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