[Liwg-core] melt bias in 126

Bette Otto-Bliesner ottobli at ucar.edu
Fri Jan 13 11:20:03 MST 2017


Hi Miren,

No worries in this regard. The co-chairs at their Tuesday meetings have
been paying close attention to the Greenland climate, North Atlantic and
Lab Sea SSTs and sea ice, and AMOC.

Bette


On Fri, Jan 13, 2017 at 10:07 AM, Miren Vizcaino <M.Vizcaino at tudelft.nl>
wrote:

> Thank you, Marcus.
> I suppose this implies that we need to closely monitor Greenland climate
> in the ongoing 126?
> Miren
>
> Sent from my iPhone
>
> On 13 Jan 2017, at 17:44, Marcus Löfverström <marcusl at ucar.edu> wrote:
>
> Hi Miren,
>
> a part of the problem is likely the changes in subgrid topography in
> Greenland. Here is a snippet from an email from Julio to the CESM
> developers:
>
> "126 with enhanced surface roughness around Greenland could be colder in
> the Labrador sea.  Marcus L. has seen cooling there in our F2000 cases.
> Let's see what it does to Lab sea ice."
>
> My understanding is that the Lab Sea is still behaving fairly well in the
> B-case they are currently running. Note, however, that this assessment is
> only based on a few decades worth of data so it could change in a longer
> simulation.
>
> // Marcus
>
>
> On Fri, Jan 13, 2017 at 9:23 AM, Miren Vizcaino <M.Vizcaino at tudelft.nl>
> wrote:
>
>> dear all,
>>
>> Unfortunately I missed the Wednesday telecom and I missed also the melt
>> problem, that came to me as a surprise today
>>
>> Jan: "Due to the latest CAM changes, the SST’s have cooled quite a bit in
>> the North Atlantic, and this made Greenland cooler as well, and reducing
>> melt significantly".
>>
>> do we know exactly the sources of the cold bias, and is this
>> substantially affecting other regions (e.g. Arctic sea ice?)? are others
>> out of the LIWG aware/concerned about the cold SSTs ?
>>
>> thanks, cheers, miren
>>
>> _______________________________________________
>> Liwg-core mailing list
>> Liwg-core at cgd.ucar.edu
>> http://mailman.cgd.ucar.edu/mailman/listinfo/liwg-core
>>
>
>
>
> --
> Marcus Löfverström (PhD)
> Post-doctoral researcher
> National Center for Atmospheric Research
> 1850 Table Mesa Dr.
> 80305 Boulder, CO, USA
>
> https://sites.google.com/site/lofverstrom/
>
>
> _______________________________________________
> Liwg-core mailing list
> Liwg-core at cgd.ucar.edu
> http://mailman.cgd.ucar.edu/mailman/listinfo/liwg-core
>
>


-- 
Bette L. Otto-Bliesner
Deputy Director and Senior Scientist
Climate and Global Dynamics Laboratory

National Center for Atmospheric Research
1850 Table Mesa Drive
Boulder, Colorado 80305
Ph:  303-497-1723
Fax: 303-497-1348
Email: ottobli at ucar.edu
Web page: http://www.cgd.ucar.edu/ccr/ottobli
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.cgd.ucar.edu/pipermail/liwg-core/attachments/20170113/b21e14c5/attachment.html>


More information about the Liwg-core mailing list