[MITgcm-devel] Re: arctic with thsice

[Jinlun Zhang]

How about trying even smaller time step, just to make sure it is not 
caused by elastic waves?
Jinlun

Dimitris Menemenlis wrote:

> Martin, a first figure for the evp with 10-s time steps is here:
> ftp://ecco2.jpl.nasa.gov/data1/arctic/output/tests/evp/evp_old_vs_new.ps.gz 
>
> I send as compressed postcript in order to keep full resolution.
> Left column is with seaice_evp.F file that you sent yesterday and with 
> evp time step of 10 s.  Right column is with older code and evp time 
> step of 20 s.
>
> Some close-ups here:
> ftp://ecco2.jpl.nasa.gov/data1/arctic/output/tests/evp/evp_new_detail.ps.gz 
>
> ftp://ecco2.jpl.nasa.gov/data1/arctic/output/tests/evp/evp_new_detail2.ps.gz 
>
>
> Comments:
> 1. new seaice_evp.F appears to work same as old seaice_evp.F
> 2. 10-s and 20-s solutions are substantially the same
> 3. grid-scale striations in solutions remain
> 4. these striations occur mostly in regions of open water,
>    but they do have a small impact on jaggedness of edge of ice