1 Oslo, Norway - Nov 2007 GHRSST/Medspiration and the SST Temperature Climate Data Record Kenneth S. Casey NOAA National Oceanographic.

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Presentation transcript:

1 Oslo, Norway - Nov 2007 GHRSST/Medspiration and the SST Temperature Climate Data Record Kenneth S. Casey NOAA National Oceanographic Data Center, USA November 2007 Oslo, Norway

2 Oslo, Norway - Nov 2007 GODAE High Resolution SST AMSR-E L2P AVHRR-16 L2P AVHRR-17 L2P AVHRR-18 L2P MODIS L2P SEVIRI L2P AATSR L2P TMI L2P MED L4 DMI GOS AMSR-E Gridded TMI Gridded GOES L2P MetOp AVHRR OSTIA L4 Two Reynolds L4 Soon: ODYSSEA L4 and GOS MED L4 Dec 2006Nov 2007

3 Oslo, Norway - Nov 2007 Archive Status LTSRF Archive Holdings as of Dec 2006 –1.7 TB (~32 TB uncompressed) spanning 2005 and 2006 –> 8300 accessions (RDAC/Sensor/Level/Date), ~120k files –AMSR-E, AVHRR-16, AVHRR-17, AVHRR-18 (GAC and LAC/HRPT), MODIS Aqua and Terra, SEVIRI, AATSR, TMI –Coming Soon: GOES, Gridded AMSR-E and TMI

4 Oslo, Norway - Nov 2007 Archive Status LTSRF Archive Holdings as of Nov 2007 –8.6 TB (172 TB uncompressed) spanning 1985 through 2007 –33324 accessions (RDAC/Sensor/Level/Date), files –AMSR-E, AVHRR-16, AVHRR-17, AVHRR-18 (GAC and LAC/HRPT), MODIS Aqua and Terra, SEVIRI, AATSR, TMI, GOES, MetOp AVHRR, Gridded AMSR-E and TMI, Two Daily Reynolds OI L4, OSTIA L4 –Plus: automated status reporting, RSS feeds –Coming Soon: ODYSSEA L4, DMI N.Sea L4

5 Oslo, Norway - Nov 2007 Current Status Dec 2006

6 Oslo, Norway - Nov 2007 Current Status Dec 2006

7 Oslo, Norway - Nov 2007 Current Status Dec 2006

8 Oslo, Norway - Nov 2007 Archive Access Statistics * Including HTTP users FTP Statistics 2006 (from June) 2007 (through Oct) # Unique Users 24(592*)107(1248*) # netCDF Files 5380(28/day)326,714(115/day) Volume 56 GB (0.3 GB/day ) 556 GB (1.9 GB/day ) For reference, Pathfinder FTP in 2007 has delivered ~3 TB in 600,000 files to 707 users

9 Oslo, Norway - Nov 2007 GHRSST Reanalysis System Map GDAC GHRSST-PP Near Real- Time Data Delayed Mode Data Reanalysis SST CDRs (L4) LTSRF International Reanalysis Community

10 Oslo, Norway - Nov 2007

11 Oslo, Norway - Nov 2007 GHRSST Reanalysis System Map GDAC GHRSST-PP Near Real- Time Data Delayed Mode Data Reanalysis SST CDRs (L4) LTSRF International Reanalysis Community GCOS SST SI Pathinder RDACs NASA & MyOcean NODC RAN Projects

12 Oslo, Norway - Nov 2007 Pathfinder Climate Data Records Pathfinder Version 5 being used extensively in re-analysis products Reprocessing capability being transferred to NODC Version 6 will consist of both L2P and L3 products Uncertainties to be developed similar to MODIS hypercube approach Improvements to quality tests being evaluated

13 Oslo, Norway - Nov 2007 GCOS SST and SI Working Group Intercomparison site being populated now: –AVHRR Pathfinder V5, AVHRR Pathfinder V4 –Operational AVHRR –HadSST2 –Kaplan –ERSST, OISSTv2, New Daily OI Weekly, one-degree and monthly five-degree Connecting historical SST reconstructions with the satellite record First phase (all products in GHRSST L4) by Jan 1

14 Oslo, Norway - Nov 2007 Reynolds Daily OI - Daily 25 km Two versions, one available back to 1985 using Pathfinder Improvements under development Example L4 Re-Analyses Dick Reynolds NOAA NCDC New OI Using Pathfinder AVHRR New OI Using Pathfinder AVHRR + AMSR-E

15 Oslo, Norway - Nov 2007 Example L4 Re-Analyses Met Office OSTIA Reanalysis –Using AVHRR Pathfinder back to 1985 –Inputs compiled in 2008… John Stark and Craig Donlon Met Office, UK

16 Oslo, Norway - Nov 2007 Status of GHRSST L4 Reanalyses RSS

17 Oslo, Norway - Nov 2007 GHRSST Multi Product Ensemble Effort underway to inter-compare various GHRSST and related L4 products Based on an ensemble median approach ( Currently includes: Met Office OSTIA SST NCEP RTG_SST_HR SST NAVOCEANO NAVO K10 SST observations JMA MGDSST SST RSS RSS MW Fusion SST RSS RSS MW+IR Fusion SST FNMOC GHRSST-PP SST and sea Ice MERSEA ODYSSEA SST NOAA AVHRR OI (Reynolds Daily OI)

18 Oslo, Norway - Nov 2007 Status of GHRSST L2P Reprocessing Andy Harris and Eileen Maturi w/ NCDC, in 2008 Version 2 in Spring 2008, ARC Version 3 in 2009 NOAA Scientific Data Stewardship - Evans, Kilpatrick, and Casey - commenced July 2007 RSS Pathfinder

19 Oslo, Norway - Nov 2007 SST CDR Priorities for 2008 Initiate OSTIA Reanalysis back to 1985 Link historical and satellite analyses through intercomparison (both GCOS and GMPE) Close out Pathfinder V5 for , and include Establish initial AVHRR Pathfinder capability at NODC ==> Version 6 Find a means of creating retrospective MODIS L2Ps (A)ATSR Version 2

20 Oslo, Norway - Nov 2007 Thank-you! -Ian Robinson and ESA -Ed Armstrong and the GDAC team -NODC and the LTSRF Team: John Relph, Sheri Phillips, Tess Brandon