Duerr rdap11 data_publication_at_nsidc
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Ruth Duerr's presentation at RDAP11 Summit, Data Publication at NSIDC

Ruth Duerr's presentation at RDAP11 Summit, Data Publication at NSIDC

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Duerr rdap11 data_publication_at_nsidc Duerr rdap11 data_publication_at_nsidc Presentation Transcript

  • Data Publication at NSIDC
    • R. Duerr
    1 This presentation is licensed by Ruth Duerr under a Creative Commons Attribution-Share Alike 3.0 License
  • Affiliations and sponsorship Cooperative Institute for Research in Environmental Sciences Main sponsors: World Data Center for Glaciology (since 1976) University of Colorado at Boulder Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011
  • 3 The National Snow and Ice Data Center… Creates tools for data access Manages and distributes scientific data Performs scientific research Educates the public about the cryosphere Supports data users
  • Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011 NSIDC Distributed Active Archive Center Data from NASA's past and current Earth Observing System (EOS) satellites and other satellite and field measurement programs. AMSR-E (Aqua) AMSR (ADEOS II) SMMR (Nimbus 7) SSM/I, SSMIS (DMSP series) VIS/IR Moderate Resolution MODIS (Terra/Aqua) snow and ice products AVHRR polar data (NOAA series) Satellite & Airborne Altimetry IceSAT I/GLAS altimetry and atmospheric lidar data Digital Elevation Models (DEMs) Passive microwave * Metrics for 2010 calendar year Yearly Ingest Total Archive Yearly Distribution 25.7 TB 98.8 TB 150.0 TB 11.6 million files 27.2 million files 17.5 million files
      • Satellite
      • In situ (station data and the like)
      • Model output
      • Most digital, some analog
    Products Users More than 600 data and information products, most freely available online Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011
  • Preparing Data for Ingest, presented 10/27/09 by R. Duerr LID590DCL Foundations of Data Curation Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011
  • arXiv & the Data Conservancy Link
  • What do we know how to preserve? The bits! 0100110001001110 001101 010 100001 00000 0 1 1 0 1 00010 000101 010 1000100 Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011
  • = Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011
  • What else do we need?
    • Metadata to help people and machines
      • Find it
      • Assess it's usefulness for their purposes
      • Get it
      • Understand it
      • Use it
    Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011
  • Metadata
    • A data file isn't the equivalent of a book
      • More likely to be the equivalent of a page in a book or perhaps volume X of a journal
      • Hierarchies or levels of metadata then become important
    Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011
  • Metadata - Quantity and Quality Preparing Data for Ingest, presented 10/27/09 by R. Duerr LID590DCL Foundations of Data Curation Reference Data Community Data Research Data Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011
  • Levels of Service as a Function of Metadata Preparing Data for Ingest, presented 10/27/09 by R. Duerr LID590DCL Foundations of Data Curation Quantity and Quality of Metadata Simple Data Set Metadata Simple Discovery & Access Complete Data Set & Item Metadata Advanced Discovery & Access Services ftp://sidads.colorado.edu/DATASETS/NOAA/G02158/
  • What Levels of Service will you support?
    • e.g., Greenland melt data set:
      • Input:
      • raw ascii data files
      • Archived and accessible:
      • raw ascii data files
      • gridded binary data files
      • annual climatology files in binary and geotiff
      • climatology for the entire series in binary and geotiff
      • Mapserver access
    32 Data Stewardship Issues in the Earth Sciences, presented 1/13/2011 by R. Duerr, DC All-Hands Meeting, UCLA
  • Levels of Service Preparing Data for Ingest, presented 10/27/09 by R. Duerr LID590DCL Foundations of Data Curation
    • Archival – Levels of service in this area reflects the relative amounts of work required in order to ingest and archive a data set.
    • Metadata – Levels of service in this area reflect the amount of work required to develop and maintain metadata not just for the data set as a whole; but also for any data element or service associated with the data set.
    • Documentation – Levels of service in this area reflect the amount of work required to document the data set and any associated web pages.
    • Distribution – Levels of service in this area reflect the amount of work required to support data distribution or distribution-related services.
    • USO Support – Levels of service in this area reflect the amount of work required to support human-human requests for information about or help with a data set (via any mechanism – phone, email, etc.)
    Data Publication at NSIDC Presented at the RDAP Summit, Denver, CO 2011
  • Questions?