[Go-essp-tech] Status of Gateway 2.0 (another use case)

[Karl Taylor]

Hi Jennifer,

I didn't mean the table wasn't useful.  I meant that the "dataset" unit 
reported in the table provides little information other than 
distinguishing between "at least partially available" (>0) and "not 
available" (=0).  That information is, of course, quite valuable to 
users ... I agree.  That's why we created it.

Best regards,
Karl

On 12/15/11 7:30 AM, Jennifer Adams wrote:
>
> On Dec 15, 2011, at 10:02 AM, Karl Taylor wrote:
>
>> Hi Jennifer and Mark,
>>
>> RE:
>>> http://cmip-pcmdi.llnl.gov/cmip5/esg_tables/transpose_esg_static_table.html
>>
>> The numbers listed in the table (default view) show how many 
>> "datasets" have been produced from each model for each experiment.  
>> Multiple datasets are produced for each simulation.  Even if you 
>> click on the selection button at the top of the page and select a 
>> single CMOR table, this won't definitively tell you how many 
>> realizations of a simulation have been performed by each model.  [For 
>> example, there are two categories of output -- output1 and output2 -- 
>> so the data produced from one CMOR table can be split across two 
>> datasets.  Also, I'm not sure whether the counting eliminates 
>> replicated versions of the datasets (the same data can be found at 
>> more than one data node).
>>
>> The bottom line is that this table should only be used to infer which 
>> models have reported (some) results from at least one realization.  
>> The dataset count isn't a particularly useful quantity for a user.
> I respectfully disagree, since a dataset list for a particular model 
> and experiment is useful to me. It saves me from having to go to the 
> gateway and suffer through the painfully slow mouse-clicking and 
> "Loading, please wait" messages to select that 
> experiment/model/realm/frequency and discover what the ensemble member 
> names are.
>
> --Jennifer
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