regional/global task sharing
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Villefranche sur mer, Dec. 2006
1
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
GHRSST ReanalysisGHRSST Reanalysis
Current StatusCurrent StatusReanalysis Requirements Reanalysis Requirements
Connections to GlobCOLOURConnections to GlobCOLOUR
Kenneth S. CaseyKenneth S. CaseyNOAA National Oceanographic Data Center, NOAA National Oceanographic Data Center,
USAUSA
4-6 Dec 20064-6 Dec 2006Villefranche-sur-merVillefranche-sur-mer
Villefranche sur mer, Dec. 2006
2
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Regional/Global Task SharingRegional/Global Task Sharing
NOAA NODC
EUMETSAT
Villefranche sur mer, Dec. 2006
3
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Stewardship and ReanalysisStewardship and Reanalysis
US NOAA National Oceanographic Data Center
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4
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Stewardship and ReanalysisStewardship and Reanalysis
http://ghrsst.nodc.noaa.gov
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Current StatusCurrent Status
Stewardship capability established at US NODCStewardship capability established at US NODC– Automatic daily acquisition and archive from GDAC Automatic daily acquisition and archive from GDAC – 30-day delay from observation to archive30-day delay from observation to archive– All available online FTP, HTTP, and OPeNDAPAll available online FTP, HTTP, and OPeNDAP– All data searchable via NODC Ocean Archive System - All data searchable via NODC Ocean Archive System -
http://www.nodc.noaa.gov/cgi-bin/search/prod/http://www.nodc.noaa.gov/cgi-bin/search/prod/accessionsView.pl/preaccessionsView.pl/preff
– Extensive metadataExtensive metadata
Current Archive HoldingsCurrent Archive Holdings– 1.7 TB (~32 TB uncompressed) spanning 2005 and 20061.7 TB (~32 TB uncompressed) spanning 2005 and 2006– > 8300 accessions (RDAC/Sensor/Level/Date), ~120k files> 8300 accessions (RDAC/Sensor/Level/Date), ~120k files– AMSR-E, AVHRR-16, AVHRR-17, AVHRR-18 (GAC and AMSR-E, AVHRR-16, AVHRR-17, AVHRR-18 (GAC and
LAC/HRPT) , MODIS Aqua and Terra, SEVIRI, AATSR, TMILAC/HRPT) , MODIS Aqua and Terra, SEVIRI, AATSR, TMI– Coming Soon: GOES, Gridded AMSR-E and TMIComing Soon: GOES, Gridded AMSR-E and TMI
Villefranche sur mer, Dec. 2006
6
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Current StatusCurrent Status
Data rates graphic…Data rates graphic…
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7
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Current StatusCurrent Status
Data rates graphic…Data rates graphic…
Villefranche sur mer, Dec. 2006
8
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Data rates graphic…Data rates graphic…
Current StatusCurrent Status
Villefranche sur mer, Dec. 2006
9
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Free and Open Access: http/ftpFree and Open Access: http/ftp
Villefranche sur mer, Dec. 2006
10
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Free and Open Access: OPeNDAPFree and Open Access: OPeNDAP
Villefranche sur mer, Dec. 2006
11
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Free and Open Access: OPeNDAPFree and Open Access: OPeNDAP
Villefranche sur mer, Dec. 2006
12
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Free and Open Access: OPeNDAPFree and Open Access: OPeNDAP
Villefranche sur mer, Dec. 2006
13
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Free and Open Access: OASFree and Open Access: OAS
Villefranche sur mer, Dec. 2006
14
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Free and Open Access: OASFree and Open Access: OAS
Villefranche sur mer, Dec. 2006
15
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
GHRSST Reanalysis System MapGHRSST Reanalysis System Map
GDAC
GHRSST-PP Near Real-Time Data
Delayed Mode Data
Reanalysis SST CDRs
(L4)
LTSRF at NODC
International ReanalysisCommunity
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16
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Goals of GHRSST ReanalysisGoals of GHRSST Reanalysis
Create delayed mode Create delayed mode climate data climate data recordsrecords with higher accuracy and with higher accuracy and consistencyconsistency
Link to longer term climate dataLink to longer term climate data
Enable a Enable a sustainedsustained reprocessing reprocessing capabilitycapability
Adhere to the GCOS Climate Monitoring Adhere to the GCOS Climate Monitoring PrinciplesPrinciples
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17
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Delayed-Mode ImprovementsDelayed-Mode Improvements
Reanalysis can improve over near real time Reanalysis can improve over near real time analysis by making use of:analysis by making use of:
Late-arriving dataLate-arriving dataImproved matchups, errors statistics, analysis Improved matchups, errors statistics, analysis procedures, diurnal modelsprocedures, diurnal modelsTechniques which require data from “future” Techniques which require data from “future” observationsobservationsProcedures too demanding for near real time Procedures too demanding for near real time productionproductionConsistent procedures for entire time seriesConsistent procedures for entire time seriesReprocessed L2P data…Reprocessed L2P data…
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
GHRSST Reanalysis RequirementsGHRSST Reanalysis Requirements
GHRSST Reanalysis depends on:GHRSST Reanalysis depends on:
Reprocessed ATSR-1, ATSR-2, AATSR series - Reprocessed ATSR-1, ATSR-2, AATSR series - we need the consistency, accuracy, continuity…we need the consistency, accuracy, continuity…Continued AATSR L2P production after end of Continued AATSR L2P production after end of Medspiration in June 2007Medspiration in June 2007Ocean color data within the SST data sets for Ocean color data within the SST data sets for diurnal warming and flagging aerosols - diurnal warming and flagging aerosols - INTEGRATED DATA SETS!INTEGRATED DATA SETS!Expanded HR-DDS to include L4 SSTs, model Expanded HR-DDS to include L4 SSTs, model SSTs, ocean colorSSTs, ocean colorAn expanded Matchup Data Base for GHRSSTAn expanded Matchup Data Base for GHRSST
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Reanalysis Product SpecificationsReanalysis Product Specifications
Spatial: Global, 5-10 kmSpatial: Global, 5-10 km
Temporal: Once per dayTemporal: Once per day
Type of SST: SSTType of SST: SSTfoundationfoundation
Error Stats: Bias and Standard DeviationError Stats: Bias and Standard Deviation
Format: GHRSST L4 netCDF, CF metadataFormat: GHRSST L4 netCDF, CF metadata
SSTfnd
(Modified from A. Stuart-Menteth)
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Ensemble Approach SchematicEnsemble Approach Schematic
GEO TaskDA-06-03
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21
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
New Reynolds New Reynolds Daily OI - Daily Daily OI - Daily 25 km25 km
Example L4 AnalysesExample L4 Analyses
Dick ReynoldsNOAA NCDC
New OI Using Pathfinder AVHRR
New OI Using Pathfinder AVHRR + AMSR-E
Villefranche sur mer, Dec. 2006
22
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Example L4 AnalysesExample L4 Analyses
Met Office OSTIA Met Office OSTIA
John Stark and Craig DonlonMet Office, UK
Villefranche sur mer, Dec. 2006
23
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Example L4 AnalysesExample L4 Analyses
Australian Bureau of MeteorologyAustralian Bureau of MeteorologyBoM Operational Regional SST1m
Met Office Global OSTIA SSTfnd
BoM Test Regional SSTfnd
CMAR 3 Day AVHRR SST1m
Helen Beggs, Australian BoM
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24
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
If you have an L4 SST analysis…If you have an L4 SST analysis…
Get it into GHRSST - use L4, write good Get it into GHRSST - use L4, write good metadata, send it to GDACmetadata, send it to GDACGet it into GHRSST - use L4, write good Get it into GHRSST - use L4, write good metadata, send it to GDACmetadata, send it to GDACGet it into GHRSST - use L4, write good Get it into GHRSST - use L4, write good metadata, send it to GDACmetadata, send it to GDAC
In summary:In summary:Get it into GHRSST - use L4, write good Get it into GHRSST - use L4, write good metadata, send it to GDACmetadata, send it to GDAC
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Ongoing and Future Activities Ongoing and Future Activities
Continual improvements to data access Continual improvements to data access
Now that archive and stewardship Now that archive and stewardship functions are in place, focus on functions are in place, focus on reanalysis efforts (the reanalysis efforts (the RFRF in in LTSRFLTSRF))
Clearly identifying (and encouraging) Clearly identifying (and encouraging) L2P reprocessing efforts L2P reprocessing efforts
GCOS SST and SI Intercomparisons: GCOS SST and SI Intercomparisons: collecting data, unified accesscollecting data, unified access
1st GHRSST 1st GHRSST ReReanalysis and ensemblesanalysis and ensembles
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Possible GlobCOLOUR Connections Possible GlobCOLOUR Connections
Integrated SST - Ocean Color data sets?Integrated SST - Ocean Color data sets?– GHRSST already delivering both MODIS Aqua and GHRSST already delivering both MODIS Aqua and
MODIS Terra chl-a and K490 fieldsMODIS Terra chl-a and K490 fields– Users often want/need both SST and OCUsers often want/need both SST and OC
Lessons for Data Management?Lessons for Data Management?– RDACs to GDAC to LTSRF RDACs to GDAC to LTSRF
• International and International and intraintranationalnational
– Uniform file formats and contentsUniform file formats and contents• Critically importantCritically important
– Strong metadataStrong metadata• Maximally nMaximally not ot minimallyminimally compliant compliant
Shared reanalysis systems?Shared reanalysis systems?– Many common processing stepsMany common processing steps– Leverage existing resourcesLeverage existing resources– Shared intercomparison resources Shared intercomparison resources
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
GlobColour Connection
http://ghrsst.nodc.noaa.gov
Thank-you!Thank-you!
- Ian Robinson and ESAIan Robinson and ESA
- Ed Armstrong and the GDAC teamEd Armstrong and the GDAC team
- NODC and the LTSRF Team:NODC and the LTSRF Team:
John Relph, Sheri Phillips, Eric Ogata, Joe ShirleyJohn Relph, Sheri Phillips, Eric Ogata, Joe Shirley
Kenneth.Casey@noaa.govKenneth.Casey@noaa.gov
http://ghrsst.nodc.noaa.govhttp://ghrsst.nodc.noaa.gov
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