[Esip-infoquality] FW: [CF-metadata] New Uncertainties Standard

[Moroni, David F (398G)]

FYI. Here’s an opportunity to make your voices heard to help make the uncertainty metadata within Earth Science data records become a recognized standard within the Climate and Forecasting (CF) metadata standards.

Cheers,
David

From: CF-metadata <cf-metadata-bounces at cgd.ucar.edu> on behalf of Kenneth Kehoe <kkehoe at ou.edu>
Date: Monday, July 9, 2018 at 8:59 AM
To: "cf-metadata at cgd.ucar.edu" <cf-metadata at cgd.ucar.edu>
Subject: Re: [CF-metadata] New Uncertainties Standard

Dear CF,

After attending the CF Workshop in Reading last month and presenting the uncertainties standard we have come up with a different proposal. There was concern with adding new reserved attributes instead of extending the use of existing attributes. I've updated the proposal in a new Google Doc<https://docs.google.com/document/d/1UR0flhrEE3yw_3dKW8NpCrGymLt9idwFXJBhZ5ngX3Y/edit?usp=sharing>. Please feel free to comment or make suggestions to this new proposal.

If you don't want to read the short six pages here are the highlights:
·         Uncertainties are written as a separate variable
·         Will add three new standard name modifiers: total_uncertainty, random_uncertainty, systematic_uncertainty
·         Will deprecate current standard name modifier: standard_error
·         Will add three new descriptors to cell_methods: standard_error, confidence_interval, other_than_statistical_analysis (adding more is an option)
·         Will link the uncertainty variable to the data variable with ancillary_variables (required)
·         Will provide additional information with "references" variable attribute (optional)

Thanks,

Ken
On 2018-2-19 13:43, Kenneth Kehoe wrote:
Dear CF,

I have been tasked by my organization to come up with a standard for disseminating uncertainty in netCDF files. CF does not currently have an uncertainty standard and other community attempts have not been adopted by the community. I am proposing a new standard that will hopefully be adopted and integrated into the CF standard. I've attached a PDF of the standard, and here is a link to a Google Doc<https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.google.com_document_d_18WDbacUkflaZEdM8dHJ9Uu6zcMwT29QQVC6Q4FHkj98_edit-23&d=DwMC-g&c=qKdtBuuu6dQK9MsRUVJ2DPXW6oayO8fu4TfEHS8sGNk&r=Vm7o2ZGxPkkqRuPs8nVMVQ&m=bLew9ertCqJT1Q-FQ-lkG9AvIYSPeRTGQXDshxl7SYo&s=wFf8bNNvkdrGks2KIAJY1RI0EcyS3YDWxJxGHTtOz0A&e=> with comment permissions. Please feel free to add comments and suggestions to the Google doc.

Thanks,

Ken


--

Kenneth E. Kehoe

  Research Associate - University of Oklahoma

  Cooperative Institute for Mesoscale Meteorological Studies

  ARM Climate Research Facility - Data Quality Office

  e-mail: kkehoe at ou.edu<mailto:kkehoe at ou.edu> | Office: 303-497-4754 | Cell: 405-826-0299





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--

Kenneth E. Kehoe

  Research Associate - University of Oklahoma

  Cooperative Institute for Mesoscale Meteorological Studies

  ARM Climate Research Facility - Data Quality Office

  e-mail: kkehoe at ou.edu<mailto:kkehoe at ou.edu> | Office: 303-497-4754 | Cell: 405-826-0299


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