[MITgcm-devel] recently added SHELFICEMassStepping in pkg/shelfice

[Martin Losch]

Je suis d’accord,

M

On Jan 9, 2015, at 6:48 PM, Jean-Michel Campin <jmc at ocean.mit.edu> wrote:

> Hi Dan and Martin,
> 
> regarding the newly added option "SHELFICEMassStepping" 
> and new S/R SHELFICE_STEP_ICEMASS:
> 
> I realized that the units of forcing field array 
> "shelfIceMassDynTendency" are not documented (in SHELFICE.h, partly my fault), 
> and would like to change it from a thickness tendency contribution
> to a mass tendency per unit area [kg/m^2/s], and taking
> this opportunity to remove the hard coded "910." number
> (which represents ice-shelf density, but is inconsitent with 
> pkg/shelfice parameter "rhoShelfIce").
> Dan, are you OK with this modification ?
> 
> An other minor thing: I am thinking of changing few field arrays
> in pkg/shelfice (including shelficeMass, which can now be stepped forward)
> from _RS to _RL ; this should have very little consequences since
> almost nobody uses RS=real*4. I think that by upgrading few arrays
> there from _RS to _RL I can get 1 cg2d matching digits (currently: zero digits)
> when I run testreport with -r4 option, see e.g.:
> http://mitgcm.org/testing/results/2015_01/tr_danton_20150103_2/summary.txt
> 
> Cheers,
> Jean-Michel
> 
> 
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