[MITgcm-devel] depressed Eta and sIceLoad

[Patrick Heimbach]

Hi there,

could you hold off for another day with
putting the EVAP fix.
I ran a quick test with ECCO using the
EVAP fix, and things looked really bad there.
But can't give anything conclusive yet.

-p.



On Thu, 2006-10-26 at 10:24, Dimitris Menemenlis wrote:
> Martin, my vote is to add all the fixes, as you describe in your e-mail, without 
> caring for backward compatibility.  Although I have not yet tried it, I agree 
> that the evap is potentially the most serious bug, especially for those 
> integrations that include Southern Ocean.  Regarding too much snow accumulation, 
> if the problem is with the NCEP or CORE forcing fields, then we should be fixing 
> the NCEP or CORE forcing fields, not the model.
> 
> The link:
> http://ecco2.jpl.nasa.gov/data2/cube/cube38/pickup/HSNOW.jpg
> is live once again, it was down when you last tried to access it.
> This particular cubed-sphere integration is driven by NCEP reanalysis.
> As Jinlun pointed out the "too-much snow" problem is mostly around Antarctica.
> In the Arctic it is less of a problem, although there are some small regions 
> with unrealistic 25 m snow around Greenland and in the Canadian Archipelago.
> 
> The companion figures to above, that show complete contents of seaice_pickup 
> from same integration and time in Arctic and Antarctic are
> http://ecco2.jpl.nasa.gov/data2/cube/cube38/pickup/pickup_seaiceArctic.jpg
> http://ecco2.jpl.nasa.gov/data2/cube/cube38/pickup/pickup_seaiceAntarctic.jpg
> A yet different problem is ice that becomes too thick, up to 25 m in some 
> isolated spots.  Shall we use this same occasion to uncomment
> 
> #ifdef DO_WE_NEED_THIS
> c          HEFF(I,J,1,bi,bj)=MIN(MAX_HEFF,HEFF(I,J,1,bi,bj))
> #endif
> 
> in growth.F.  We can set a large default MAX_HEFF in seaice_readparms.F
> 
> Dimitris
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-- 
Dr Patrick Heimbach | heimbach at mit.edu | http://www.mit.edu/~heimbach
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