Regional/Global Task Sharing

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


2

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



Regional/Global Task SharingRegional/Global Task Sharing

NOAA NODC

EUMETSAT


3

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



Stewardship and ReanalysisStewardship and Reanalysis

US NOAA National Oceanographic Data Center


4

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



Stewardship and ReanalysisStewardship and Reanalysis



5

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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


6

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities




Data rates graphic…Data rates graphic…


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Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities






8

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities






9

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



Free and Open Access: http/ftpFree and Open Access: http/ftp


10

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



Free and Open Access: OPeNDAPFree and Open Access: OPeNDAP


11

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities





12

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities





13

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



Free and Open Access: OASFree and Open Access: OAS


14

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



Free and Open Access: OASFree and Open Access: OAS


15

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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


16

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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


17

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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



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


19

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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



Ensemble Approach SchematicEnsemble Approach Schematic

GEO TaskDA-06-03


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Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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


22

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities




Met Office OSTIA Met Office OSTIA

John Stark and Craig DonlonMet Office, UK


23

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities




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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Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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


25

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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


26

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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


27

Overview

LTSRF Status

GHRSST Reanalysis

Example L4 Analyses

Future Activities



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

[email protected]@noaa.gov

http://ghrsst.nodc.noaa.govhttp://ghrsst.nodc.noaa.gov

Documents

Regional/Global Task Sharing