[MITgcm-devel] seaice verification experiments

[Patrick Heimbach]

Hi Jean-Michel,

essentially all fine with me.

Perhaps this is a good moment to resurrect a few things:
1) develop a meaningful offline config. for sea ice dynamics
(we had started this a while back, but then dropped)
2) make sure we have a test of the freedrift code

With regard to legacy code and B-grid:
Are we going to maintain them much longer, 
or should we move toward phasing them out?
E.g. switch lab_sea from legacy to current seaice t.d.,
and no longer use the B-grid code.
What do people think?

-Patrick

On Oct 21, 2012, at 12:38 PM, Jean-Michel Campin <jmc at ocean.mit.edu> wrote:

> Hi Patrick and other,
> 
> I would like to make 2 changes:
> 1) I was going to switch back the dynamics in global_ocean.cs32x15/input_ad.seaice:
> a) the code now allows to have an other experiment (input_ad.seaice_dynmix)
>  with the dynmics off in the AD mode, while keeping the dynamics on in
>  input_ad.seaice test; this was not the case when dynmics was turned off
>  in input_ad.seaice.
> b) currently, we have only 1 experiment (lab_sea/input_ad) which tests
>  the adjoint of the seaice (lsr) dynamics, and it's with legacy code, 
>  so would be better to have a 2nd one. On the other hand, we already have 
>  few AD tests for seaice thermodynamics, including some without dynamics.
> 
> 2) I would like also to switch the test "compiling the B-grid code"
>  from offline_exf_seaice  (B-grid -> C-grid)
>  to   1D_ocean_ice_column (C-grid -> B-grid)
>  in preparation for adding an offline seaice-dynamics test to
>  offline_exf_seaice.
> 
> Do you agreee with these 2 modifs ?
> 
> Cheers,
> Jean-Michel
> 
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---
Patrick Heimbach | heimbach at mit.edu | http://www.mit.edu/~heimbach
MIT | EAPS 54-1420 | 77 Massachusetts Ave | Cambridge MA 02139 USA
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