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1 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection Villefranche sur mer,

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Presentation on theme: "1 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection Villefranche sur mer,"— Presentation transcript:

1 1 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 GHRSST Reanalysis Current Status Reanalysis Requirements Connections to GlobCOLOUR Kenneth S. Casey NOAA National Oceanographic Data Center, USA 4-6 Dec 2006 Villefranche-sur-mer

2 2 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Regional/Global Task Sharing NOAA NODC EUMETSAT

3 3 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Stewardship and Reanalysis US NOAA National Oceanographic Data Center

4 4 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Stewardship and Reanalysis http://ghrsst.nodc.noaa.gov

5 5 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Current Status Stewardship capability established at US NODC –Automatic daily acquisition and archive from GDAC –30-day delay from observation to archive –All available online FTP, HTTP, and OPeNDAP –All data searchable via NODC Ocean Archive System - http://www.nodc.noaa.gov/cgi-bin/search/prod/accessionsView.pl/pref –Extensive metadata Current Archive Holdings –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

6 6 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Current Status Data rates graphic…

7 7 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Current Status Data rates graphic…

8 8 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Data rates graphic… Current Status

9 9 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Free and Open Access: http/ftp

10 10 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Free and Open Access: OPeNDAP

11 11 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Free and Open Access: OPeNDAP

12 12 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Free and Open Access: OPeNDAP

13 13 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Free and Open Access: OAS

14 14 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Free and Open Access: OAS

15 15 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 GHRSST Reanalysis System Map GDAC GHRSST-PP Near Real- Time Data Delayed Mode Data Reanalysis SST CDRs (L4) LTSRF at NODC International Reanalysis Community

16 16 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Goals of GHRSST Reanalysis Create delayed mode climate data records with higher accuracy and consistency Link to longer term climate data Enable a sustained reprocessing capability Adhere to the GCOS Climate Monitoring Principles

17 17 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Delayed-Mode Improvements Reanalysis can improve over near real time analysis by making use of: Late-arriving data Improved matchups, errors statistics, analysis procedures, diurnal models Techniques which require data from “future” observations Procedures too demanding for near real time production Consistent procedures for entire time series Reprocessed L2P data…

18 18 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 GHRSST Reanalysis Requirements GHRSST Reanalysis depends on: Reprocessed ATSR-1, ATSR-2, AATSR series - we need the consistency, accuracy, continuity… Continued AATSR L2P production after end of Medspiration in June 2007 Ocean color data within the SST data sets for diurnal warming and flagging aerosols - INTEGRATED DATA SETS! Expanded HR-DDS to include L4 SSTs, model SSTs, ocean color An expanded Matchup Data Base for GHRSST

19 19 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Reanalysis Product Specifications Spatial: Global, 5-10 km Temporal: Once per day Type of SST: SST foundation Error Stats: Bias and Standard Deviation Format: GHRSST L4 netCDF, CF metadata SST fnd (Modified from A. Stuart-Menteth)

20 20 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Ensemble Approach Schematic GEO Task DA-06-03

21 21 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 New Reynolds Daily OI - Daily 25 km Example L4 Analyses Dick Reynolds NOAA NCDC New OI Using Pathfinder AVHRR New OI Using Pathfinder AVHRR + AMSR-E

22 22 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Example L4 Analyses Met Office OSTIA John Stark and Craig Donlon Met Office, UK

23 23 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Example L4 Analyses Australian Bureau of Meteorology BoM Operational Regional SST1m Met Office Global OSTIA SSTfnd BoM Test Regional SSTfnd CMAR 3 Day AVHRR SST1m Helen Beggs, Australian BoM

24 24 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 If you have an L4 SST analysis… Get it into GHRSST - use L4, write good metadata, send it to GDAC In summary: Get it into GHRSST - use L4, write good metadata, send it to GDAC

25 25 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Ongoing and Future Activities Continual improvements to data access Now that archive and stewardship functions are in place, focus on reanalysis efforts (the RF in LTSRF) Clearly identifying (and encouraging) L2P reprocessing efforts GCOS SST and SI Intercomparisons: collecting data, unified access 1st GHRSST Reanalysis and ensembles

26 26 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Possible GlobCOLOUR Connections Integrated SST - Ocean Color data sets? –GHRSST already delivering both MODIS Aqua and MODIS Terra chl-a and K490 fields –Users often want/need both SST and OC Lessons for Data Management? –RDACs to GDAC to LTSRF International and intranationalInternational and intranational –Uniform file formats and contents Critically importantCritically important –Strong metadata Maximally not minimally compliantMaximally not minimally compliant Shared reanalysis systems? –Many common processing steps –Leverage existing resources –Shared intercomparison resources

27 27 Overview LTSRF Status GHRSST Reanalysis Example L4 Analyses Future Activities GlobColour Connection http://ghrsst.nodc.noaa.gov Villefranche sur mer, Dec. 2006 Thank-you! -Ian Robinson and ESA -Ed Armstrong and the GDAC team -NODC and the LTSRF Team: John Relph, Sheri Phillips, Eric Ogata, Joe Shirley Kenneth.Casey@noaa.gov http://ghrsst.nodc.noaa.gov

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