[MITgcm-support] coarser cube-sphere grid

[Gael Forget]

Hi Dimitris and Annegret,

I added the pdf to the cvs repository @ MITgcm_contrib/gael/gridsdispo.pdf

In case a 1 degree resolution lat-lon-cap would suit your needs, the easiest 
would be to get the one I used in ECCO version 4. To that end you 
can use the script @ MITgcm_contrib/gael/setup_these_exps.csh
There is a README in that directory as well.

If otherwise, you will find cube spheres and lat-lon-cap grids from very 
coarse to very high resolution available, In the directory mentioned in
gridsdispo.pdf  Bear in mind that only few of the available grids have 
actually been run into MITgcm. They come with no guaranty although, to 
this day, we have not detected any issue with the ones that have been used.

Cheers,
Gael



On Nov 14, 2013, at 10:47 AM, Menemenlis, Dimitris (3248) wrote:

> Annegret, sorry for breaking link.  I moved file to
> http://dl.dropboxusercontent.com/u/40292774/ECCO/gridsdispo.pdf
> 
> Gael, is there a more permanent version of this document under CVS somewhere?
> 
> Thanks
> 
> Dimitris Menemenlis
> 
> On Nov 14, 2013, at 6:47 AM, Annegret Krandick wrote:
> 
>> Hi Dimitris,
>> 
>> I am going to use the MITgcm to investigate the sensitivity of open ocean convection in the North Atlantic to ice sheet melting. We therefore decided to use a Lat/Lon/Cap configuration or a part of it. I want to make myself familiar with this kind of grid and I want to ask if you could give me some information or a description of the LLC grids you mentioned in the MITgcm-support list two years ago (http://mitgcm.org/pipermail/mitgcm-support/2011-December/007557.html). Unfortunately, the link to this description of the LLC grids doesn't work anymore.
>> 
>> Thanks a lot and with kind regards
>> 
>> Annegret Krandick
> 
> 
> On Dec 1, 2011, at 8:32 AM, Menemenlis, Dimitris (3248) wrote:
> 
>> Alan, I have not generated a global CS grid at ~40-km spacing.
>> I cc this answer to support list in case someone else has a ~40-km grid readily available.
>> If not your options are the following:
>> 
>> 1. Generate a cube-sphere grid from scratch using scripts in
>> http://mitgcm.org/viewvc/MITgcm/MITgcm_contrib/high_res_cube/
>> 
>> 2. Adopt the new lat/lon/cap (LLC) grid for which grids are readily available at
>> 4, 2, 1, 1/3, 1/6, 1/12, 1/24, and 1/48 degree grids.
>> 
>> I recommend you go with option 2 as this is where MITgcm/ECCO effort as a whole
>> is heading.  A description of the LLC grids and how to obtain them is here:
>> http://dl.dropbox.com/u/40292774/ECCO3/gridsdispo.pdf
>> 
>> Cheers
>> 
>> Dimitris
> 
> 
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