[esip-semantictech] http://cfconventions.org/

[Mcgibbney, Lewis J (172B)]

Your absolutely correct Stephen. It doesn't. But I really think that if URI's are the sole driver behind GCMD replicating all of this work, then URI's should be added to CFConventions.
Excellent point Stephen.
Lewis


On 1/14/20, 2:41 PM, "AZ Stephen Richard" <smrtucson at gmail.com> wrote:

    There's a big problem with
    http://cfconventions.org/Data/cf-standard-names/70/build/cf-standard-name-ta
    ble.html, it doesn't seem to provide URIs for the variables, and the
    engineering to resolve the uri's.  Am I missing something?
    
    steve
    
    -----Original Message-----
    From: esip-semanticweb <esip-semanticweb-bounces at lists.esipfed.org> On
    Behalf Of Mcgibbney, Lewis J (172B) via esip-semanticweb
    Sent: Tuesday, January 14, 2020 3:34 PM
    To: esip-semanticweb at lists.esipfed.org
    Subject: Re: [esip-semantictech] NASA GCMD Keywords Version 9.0 Released
    (2019-11-12)
    
    Hi Tyler,
        
    > Regarding the measurement keywords, the EOSDIS data centers needed a more
    fine-grained list of specific measurements
    (e.g.atmosphere_absorption_optical_thickness_due_to_black_carbon_ambient_aer
    osol_at_532nm) than the science keywords offered.
    
    It appears to me that the correct place for this is in the CF Conventions...
    which has a hugely active community for exactly this kind of thing.
    Actually, if you look at the current CFConventions standard name table, you
    can already find
    atmosphere_absorption_optical_thickness_due_to_black_carbon_ambient_aerosol.
    .. try it out
    http://cfconventions.org/Data/cf-standard-names/70/build/cf-standard-name-ta
    ble.html
    
    > The recommendation for this was put forward in an ESO review
    
    This is concerning
    
    > approved by ESDIS,
    
    This is even more concerning... why wasn't guidance issued to use
    CFConventions?
    
    > and there is a preliminary list of 100 measurements. 
    
    ... there are thousands of existing, well defined variables measured in
    CFConventions. Why start a new list in GCMD?
    
    > We plan to put forward additional measurement keywords in an upcoming 
    > keyword release,  and we can add interested folks
        here in that review. The measurement keywords specifically support the
    NASA UMM Variables Model (UMM-Var) evolution which has a field called
    'MeasurementName' that  allows metadata curators to provide community
    sourced names to further describe variable
        data.
    
    I understand that other variable names can be used in UMM, namely
    CFConventions. Thanks for pointing that out.
    
    Lewis
    
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