Reference Climate Research Data Set

1

• Rich,
• Four slide follow you may wish to trash the
  first, it is really background.
• Key points
• Quantify power users
• Quantify web access, maybe not power user
• Example big curation and stewardship effort
  ERA40
• See slides notes for worley-like talking points

2
Research Data Archives

• Nuts and Bolts
• Meteorological and physical oceanographic data
• In situ observations
• Satellite measurements (some)
• Analyses of the observations
• Weather center output (e.g. NCEP)
• Reanalyses Projects
• Built nearly 40 years
• 500 datasets, 55 TB, 350K files on MSS
• Managed by nine FTE
• Grows continuously

3
Users served _at_ NCAR and by one-off requests
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Users served via public online data server

• Metrics
• Period Past Year
• Web
• 6TB total volume
• 10K unique users, 1K repeat users 
• FTP
• 10TB total volume (6.6 TB ERA40)
• 1K unique users, 140 repeat users

Top Ten Datasets (web)
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A Reference Climate Research Data Set

• ECMWFs Global Atmospheric Reanalysis
• NCAR partnered on input observations
• Sole North American output data distributor
• Data for 46-years (1957-2002)
• Model T159, 60 levels, 4 x daily fields
• Many atmospheric and surface products
• Total size 35 TB, archive backup for ECMWF
• Access
• All data from the NCAR MSS
• Popular products, web accessible
• Restricted to non-commercial research

6

• Rich,
• Got any ? Let me know, Im available to help you
  tune this part to meet your needs.
• Sjw