[gradsusr] dods server for CMIP5 data?

[Haibin Li]

Hi Mira,

Thanks. I did try. But I was not able to log in with my ESG account. I 
sent them email this morning asking for login instruction.


Haibin

On 11/16/2012 11:09 AM, Mira Berdahl wrote:
> Hi Haibin,
>
> Just a quick note about CMIP5 downloading - Have you tried logging into
> llnl via ftp to find CMIP output?  I have noticed they have most (but not
> all) of CMIP5 output there, but the process is faster than doing it via
> wget usually.
>
> Just logon with :
> ftp cmip5.llnl.gov
>
> Hope this is helpful,
> Mira
>
> ***********************
> PhD Candidate
> Rutgers University
> New Brunswick, NJ
>
>> Hello Jennifer,
>>
>> Thanks for your exhaustive explanation. I had a bit hard time yesterday
>> to use the web interface and wget to download the data. The search did
>> not perform well if using chrome, I always ended up with "garbage" files
>> that I do not need.
>> When I use IE, everything worked just fine. The other inconvenience I
>> came across is that it is not possible to do multiple variables
>> searching simultaneously (well, Probably just I did not how to do it).
>>
>> Regards,
>> Haibin
>>
>> On 11/16/2012 10:13 AM, Jennifer Adams wrote:
>>> There is no free lunch when it comes to CMIP5 data. There is a thredds
>>> data server running at each data node, but the authentication issues
>>> make access a bit awkward. There is also (in some cases) extreme
>>> granularity in the files -- some variables have as many as 2000 files
>>> to cover the complete time series -- and each file is served
>>> separately. Also, there is no standard naming convention for the
>>> directory paths on each of those servers, so it is difficult to
>>> automate access from one data node to another. For CMIP data, most of
>>> the valuable metadata exists as attributes in the data files, and that
>>> would likely be lost when accessing and collecting data via OPeNDAP.
>>> And OPeNDAP would be very slow, slower than a wget job, that's for
>>> sure. The new PeerToPeer system for getting CMIP5 data is working well
>>> enough, and it is possible to automate search and download jobs. I
>>> speak from personal experience -- I have spent much time over the past
>>> year collecting and managing about 30Tb of CMIP5 data.
>>> --Jennifer
>>>
>>> On Nov 15, 2012, at 9:39 PM, Haibin Li wrote:
>>>
>>>> Hello there,
>>>>
>>>> Does anyone know whether there is a dods server for recent CMIP5 data
>>>> that can be accessed using GrADS?
>>>> Thanks.
>>>>
>>>> Haibin
>>>> _______________________________________________
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>>>> gradsusr at gradsusr.org <mailto:gradsusr at gradsusr.org>
>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>> --
>>> Jennifer M. Adams
>>> IGES/COLA
>>> 4041 Powder Mill Road, Suite 302
>>> Calverton, MD 20705
>>> jma at cola.iges.org <mailto:jma at cola.iges.org>
>>>
>>>
>>>
>>>
>>>
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