[MITgcm-devel] ice/snow pdf

[Martin Losch]

Didn’t see that, will wait or use older taf for generating adjoint results.

Martin

> On 28 Jan 2015, at 15:37, Jean-Michel Campin <jmc at ocean.mit.edu> wrote:
> 
> Hi Martin,
> 
> Yes, tag checkpoint65i was done Fri last week.
> You can start checking in your changes.
> We just have a little issue with new TAF version and lab_sea (see
> previous email to devel).
> 
> Cheers,
> Jean-Michel
> 
> On Wed, Jan 28, 2015 at 03:29:35PM +0100, Martin Losch wrote:
>> HI Jean-Michel,
>> 
>> I guess the tag is done a while ago? I will start check in my stuff and start updating the experiments.
>> 
>> Martin
>> 
>>> On 22 Jan 2015, at 18:29, Jean-Michel Campin <jmc at ocean.mit.edu> wrote:
>>> 
>>> Hi Martin,
>>> 
>>> 14-11 digits is not too bad; so it should not prevent you to add this new feature.
>>> will still need to update some output.
>>> One question: It's time to make a new checkpoint (but have still few fixes
>>> related to pkg/atm_phys to check-in). Do you want to wait few days and
>>> make changes after the checkpoint (might be better ?) or do you prefer to add 
>>> them now ?
>>> 
>>> Cheers,
>>> Jean-Michel
>>> 
>>> On Thu, Jan 22, 2015 at 04:10:47PM +0000, Menemenlis, Dimitris (329D) wrote:
>>>> It would be great to have capability to prescribe arbitrary ice thickness distributions.
>>>> My vote is to include.
>>>> 
>>>>> On Jan 22, 2015, at 7:06 AM, Martin Losch <Martin.Losch at awi.de> wrote:
>>>>> 
>>>>> Hi Jean-Michel and others,
>>>>> 
>>>>> I am trying to recover an implementation that allows prescribing a ice thickness distribution instead of the simple 1/seaice_multDim one (effects are described here: http://onlinelibrary.wiley.com/doi/10.1002/2013JC009342/abstract). Unfortunately, results change from 16 to 14-11 digits of aggreement for basically all experiments that use SEAICE_multDim=7. The reason is, that Fortran doesn’t know that 7/7=1, but 0.9999999999978 or so. Do we care? Or do we care enough about prescribing an observed ice thickness distribution that we don’t care about these small difference? If not, I’ll just scrap this effort.
>>>>> 
>>>>> what do you think?
>>>>> 
>>>>> Martin
>>>>> 
>>>>> 
>>>>> 
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