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For over 20 years, ESIP meetings have brought together the most innovative thinkers and leaders around Earth observation data, thus forming a community dedicated to making Earth observations more discoverable, accessible and useful to researchers, practitioners, policy makers, and the public. The theme of the meeting is Putting Data to Work: Building Public-Private Partnerships to Increase Resilience & Enhance the Socioeconomic Value of Data.

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Wednesday, July 22 • 4:00pm - 5:30pm
Standardizing the Representation of Uncertainty Information in NetCDF - Status and Next Steps on the NetCDF/CF UQ Proposal

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The ESIP Information Quality Cluster (IQC) has made significant progress in recent years in establishing itself as an authoritative knowledge source on use cases, methodologies and applications of Earth science observational data uncertainty information. This progress led to the recent publishing of its November 2019 ESIP Figshare paper entitled “Understanding the Various Perspectives of Earth Science Observational Data Uncertainty” (Moroni et al., 2019; DOI: 10.6084/m9.figshare.10271450). One of the identified needs addressed in this paper was the need to have standardized representation of Uncertainty Qualification (UQ) and Uncertainty Characterization (UC) information in data files. Ken Kehoe, a co-author on this paper, is also the lead author on the current draft of the NetCDF/CF UQ proposal. This session, with the help of the ESIP IQC, will seek to review and discuss the current state of the NetCDF/CF UQ proposal as it is nearing its final document preparation for consideration as a CF metadata standard. All who are interested in both netCDF metadata standards and the representation of uncertainty information in data files are welcome to attend, and hopefully can help us contribute to what we expect will be an invaluable contribution to the Earth science community. By the end of this session, our expectation is to utilize the points raised in the discussion to help gain more confidence in the current state of the NetCDF/CF UQ proposal as well as to establish concrete recommendations from a broad set of stakeholders to finalize the proposal just prior to submitting it to the CF standards governance committee.

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View Session Notes
View Presentations: See Session Notes above and attached

Takeaways
  • Need to polish up the terminology and make it consistent with industry and academia.
  • Need to obtain consensus on where we go with regard to using either the standard name modifier vs. the actual standard name; in either approach, the proposal itself contains some optional metadata attributes that would still require the submission of a formal CF proposal.
  • Establish a timeline for community review and submission.



Speakers
avatar for David Moroni

David Moroni

Data Stewardship and User Services Team Lead, Jet Propulsion Laboratory, Physical Oceanography Distributed Active Archive Center
I am a Senior Science Data Systems Engineer at the Jet Propulsion Laboratory and Data Stewardship and User Services Team Lead for the PO.DAAC Project, which provides users with data stewardship services including discovery, access, sub-setting, visualization, extraction, documentation... Read More →
avatar for Yaxing Wei

Yaxing Wei

Scientist, Oak Ridge National Laboratory
avatar for Ken Kehoe

Ken Kehoe

Researcher with Department of Energy Atmospheric Radiative Measurements program in the Data Quality Office.



Wednesday July 22, 2020 4:00pm - 5:30pm EDT
Room 10