NOAA's Climate Data Record (CDR) Program


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Jeffrey L. Privette, 2010 American Astronautical Society Goddard Memorial Symposium

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NOAA's Climate Data Record (CDR) Program

  1. 1. NOAA’s Climate Data Record (CDR) Program<br />Leveraging 3 Decades of Satellite Investments To Provide Trusted Climate Information to Society<br />Jeffrey L. Privette<br />CDR Program Manager<br />NOAA’s National Climatic Data Center<br />
  2. 2. NASA Develops New Observing Technology<br />2008 Earth Observing Constellation<br />
  3. 3. NOAA Collects Multiple Decades of Data using Same or Similar Systems<br />
  4. 4. Revealing Climate Information Within Archived Data<br />RawSatellite<br />Data<br />30 Year FundamentalCDRs<br />Global and Basin Objective Hurricane Intensity Trends<br />29 GeostationarySatellites + 8 Polar Satellites<br />HURSAT-B1<br /><ul><li> Geo-located
  5. 5. Calibrated
  6. 6. netCDF
  7. 7. 8km, 3-hourly</li></ul>(Knapp et al., 2007)<br />Different designs, spectral bands, formats, navigation, resolutions, algorithms (Knapp et al., 2007)<br />New intensity estimates <br />(e.g., Kossin et al. 2007)<br />
  8. 8. CDR Development Requires Application of Best Methods Across Different/Dirty Data Epochs<br />Uncorrected Data Time Series Contain Both EnvironmentalInformation and Satellite-induced Artifacts<br />Operational weather and hazard products are produced rapidly to potentially save life and property<br />New satellite launched<br />Top of Atmosphere Vegetation Index<br />Vegetation Greenness Index<br />Top of Canopy Vegetation Index<br />Climate Data Records (CDRs)provide long term product consistency through rigorous reprocessing with advanced algorithms, ancillary data and evolved instrument understanding.<br />Time (year)<br />Image courtesy C. Tucker<br />
  9. 9. Merging NASA/NOAA/USGS Data Will Provide Information at Climate Time Scales and Quality<br />6<br />
  10. 10. NOAA CDR Starts With “Space Qualified” Algorithms<br />Algorithm Maturity Scale<br />roughly analogous to<br />Technology Readiness Scale<br />Algorithm Hardware<br />(Maturity) (TRL)<br />6 9<br />1 1<br />