Regional/Global Task Sharing
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Beijing, October 2006 1 Overview LTSRF Status GHRSST Reanalysi s Example L4 Analyses Future Activitie s http:// ghrsst.nodc.noaa.gov The GODAE High Resolution SST The GODAE High Resolution SST Reanalysis Project Reanalysis Project Kenneth S. Casey Kenneth S. Casey NOAA National Oceanographic Data NOAA National Oceanographic Data Center, USA Center, USA Craig Donlon Craig Donlon GHRSST-PP International Project Office, GHRSST-PP International Project Office, Met Office, UK Met Office, UK The GODAE Symposium The GODAE Symposium on Ocean Data Assimilation and Prediction in Asia-Oceania on Ocean Data Assimilation and Prediction in Asia-Oceania
description
The GODAE High Resolution SST Reanalysis Project Kenneth S. Casey NOAA National Oceanographic Data Center, USA Craig Donlon GHRSST-PP International Project Office, Met Office, UK The GODAE Symposium on Ocean Data Assimilation and Prediction in Asia-Oceania. Regional/Global Task Sharing. - PowerPoint PPT Presentation
Transcript of Regional/Global Task Sharing
Beijing, October 2006
1
Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
The GODAE High Resolution SST The GODAE High Resolution SST Reanalysis ProjectReanalysis Project
Kenneth S. CaseyKenneth S. CaseyNOAA National Oceanographic Data Center, USANOAA National Oceanographic Data Center, USA
Craig DonlonCraig DonlonGHRSST-PP International Project Office, GHRSST-PP International Project Office,
Met Office, UKMet Office, UK
The GODAE Symposium The GODAE Symposium on Ocean Data Assimilation and Prediction in Asia-Oceaniaon Ocean Data Assimilation and Prediction in Asia-Oceania
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Regional/Global Task SharingRegional/Global Task Sharing
NOAA NODC
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Stewardship and ReanalysisStewardship and Reanalysis
US NOAA National Oceanographic Data Center
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Stewardship and ReanalysisStewardship and Reanalysis
http://ghrsst.nodc.noaa.gov
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
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/praccessionsView.pl/prefef
– Extensive metadataExtensive metadata
Current Archive HoldingsCurrent Archive Holdings– 1 TB (~20 TB uncompressed) spanning 2005 and 20061 TB (~20 TB uncompressed) spanning 2005 and 2006– 7583 accessions (RDAC/Sensor/Level/Date), ~100k files7583 accessions (RDAC/Sensor/Level/Date), ~100k 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, SEVIRI, AATSR, TMILAC/HRPT) , MODIS Aqua, SEVIRI, AATSR, TMI– Coming Soon: MODIS Terra and GOESComing Soon: MODIS Terra and GOES
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Current StatusCurrent Status
Data rates graphic…Data rates graphic…
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Current StatusCurrent Status
Data rates graphic…Data rates graphic…
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Current StatusCurrent Status
Data rates graphic…Data rates graphic…
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
GDAC
GHRSST-PP Near Real-Time Data
Delayed Mode Data
Reanalysis SST CDRs
(L4)
LTSRF at NODC
ReanalysisCommunity
GHRSST Reanalysis System MapGHRSST Reanalysis System Map
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
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
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
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 dataReprocessed L2P dataReprocessed L2P 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 series
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
RAN Technical Advisory GroupRAN Technical Advisory Group
Ken Casey, ChairKen Casey, Chair
Ed ArmstrongEd Armstrong
Jorge VazquezJorge Vazquez
Craig DonlonCraig Donlon
Hiroshi KawamuraHiroshi Kawamura
Gilles LarnicolGilles Larnicol
David Llewellyn-David Llewellyn-JonesJones
Nick RaynerNick Rayner
Gary WickGary Wick
Dick ReynoldsDick Reynolds
Bill EmeryBill Emery
Jo MurrayJo Murray
Gary CorlettGary Corlett
Helen BeggsHelen Beggs
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Reanalysis Product SpecificationsReanalysis Product Specifications
Spatial: Global 5-10kmSpatial: Global 5-10km
Temporal: Once per dayTemporal: Once per day
Type of SST: SSTType of SST: SSTfndfnd
Error Stats: Bias and Standard DeviationError Stats: Bias and Standard Deviation
Format: L4 netCDF with CF metadataFormat: L4 netCDF with CF metadata
SSTfnd
(Modified from A. Stuart-Menteth)
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Ensemble Approach SchematicEnsemble Approach Schematic
GEO TaskDA-06-03
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
New Reynolds Daily OINew Reynolds Daily OI
Example AnalysesExample Analyses
Dick ReynoldsNOAA NCDC
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Example AnalysesExample Analyses
Met Office OSTIA Met Office OSTIA
Craig DonlonMet Office, UK
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Example AnalysesExample Analyses
Met Office OSTIA Met Office OSTIA
Craig DonlonMet Office, UK
Latest Analysis!
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Example AnalysesExample Analyses
Met Office OSTIA Met Office OSTIA
Craig DonlonMet Office, UK
Latest Analysis!
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Example AnalysesExample Analyses
Craig DonlonMet Office, UK
Latest Analysis!
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Example AnalysesExample 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
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Ongoing and Future Activities Ongoing and Future Activities
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 Reanalysis and ensembles1st GHRSST Reanalysis and ensembles
Beijing, October 2006
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Overview
LTSRF Status
GHRSST Reanalysis
Example L4 Analyses
Future Activities
http://ghrsst.nodc.noaa.gov
Thank-you!Thank-you!
[email protected]@noaa.gov
http://ghrsst.nodc.noaa.govhttp://ghrsst.nodc.noaa.gov
