1 oslo, norway - nov 2007 ghrsst/medspiration and the sst temperature climate data record kenneth...

Oslo, Norway - Nov 2007

1

http://ghrsst.nodc.noaa.gov

GHRSST/Medspiration and GHRSST/Medspiration and the SST Temperature the SST Temperature Climate Data RecordClimate Data Record

Kenneth S. CaseyKenneth S. CaseyNOAA National Oceanographic Data Center, NOAA National Oceanographic Data Center,

USAUSA

20-22 November 2007 20-22 November 2007 Oslo, NorwayOslo, Norway


2


GODAE High Resolution SSTGODAE High Resolution SST

AMSR-E L2P AMSR-E L2P AVHRR-16 L2PAVHRR-16 L2PAVHRR-17 L2PAVHRR-17 L2PAVHRR-18 L2PAVHRR-18 L2P

MODIS L2PMODIS L2PSEVIRI L2PSEVIRI L2PAATSR L2PAATSR L2P

TMI L2PTMI L2PMED L4MED L4

DMI

GOS

AMSR-E GriddedAMSR-E GriddedTMI GriddedTMI GriddedGOES L2PGOES L2P

MetOp AVHRRMetOp AVHRROSTIA L4OSTIA L4

Two Reynolds L4Two Reynolds L4Soon: ODYSSEA L4 Soon: ODYSSEA L4

and GOS MED L4and GOS MED L4

Dec 2006Nov 2007


3


Archive StatusArchive Status

LTSRF Archive Holdings as of Dec 2006LTSRF Archive Holdings as of Dec 2006– 1.7 TB (~32 TB uncompressed) spanning 2005 1.7 TB (~32 TB uncompressed) spanning 2005

and 2006and 2006– > 8300 accessions (RDAC/Sensor/Level/Date), > 8300 accessions (RDAC/Sensor/Level/Date),

~120k files~120k files– AMSR-E, AVHRR-16, AVHRR-17, AVHRR-18 AMSR-E, AVHRR-16, AVHRR-17, AVHRR-18

(GAC and LAC/HRPT) , MODIS Aqua and (GAC and LAC/HRPT) , MODIS Aqua and Terra, SEVIRI, AATSR, TMITerra, SEVIRI, AATSR, TMI

– Coming Soon: GOES, Gridded AMSR-E and Coming Soon: GOES, Gridded AMSR-E and TMITMI


4


Archive StatusArchive Status

LTSRF Archive Holdings as of Nov 2007LTSRF Archive Holdings as of Nov 2007– 8.68.6 TB ( TB (172172 TB uncompressed) spanning TB uncompressed) spanning 19851985

through through 20072007– 3332433324 accessions (RDAC/Sensor/Level/Date), accessions (RDAC/Sensor/Level/Date),

487121487121 files files– AMSR-E, AVHRR-16, AVHRR-17, AVHRR-18 AMSR-E, AVHRR-16, AVHRR-17, AVHRR-18

(GAC and LAC/HRPT) , MODIS Aqua and (GAC and LAC/HRPT) , MODIS Aqua and Terra, SEVIRI, AATSR, TMI, GOES, Terra, SEVIRI, AATSR, TMI, GOES, MetOpMetOp AVHRRAVHRR, , Gridded AMSR-E and TMI, Two Gridded AMSR-E and TMI, Two Daily Reynolds OI L4, OSTIA L4Daily Reynolds OI L4, OSTIA L4

– Plus: automated status reporting, RSS feedsPlus: automated status reporting, RSS feeds– Coming Soon: Coming Soon: ODYSSEA L4, DMI N.Sea L4ODYSSEA L4, DMI N.Sea L4


5


Current StatusCurrent Status

Dec 2006


6



Dec 2006


7



Dec 2006


8


Archive Access StatisticsArchive Access Statistics

* Including HTTP users* Including HTTP users

FTP FTP StatisticsStatistics

2006 2006 (from June)(from June)

20072007(through Oct)(through Oct)

# Unique # Unique UsersUsers

2424(592*)(592*)

107107(1248*)(1248*)

# netCDF # netCDF FilesFiles

5380 5380 (28/day)(28/day)

326,714326,714(115/day)(115/day)

VolumeVolume56 GB 56 GB

(0.3 GB/day(0.3 GB/day))

556 GB556 GB

(1.9 GB/day(1.9 GB/day))

For reference, Pathfinder FTP in 2007 has delivered ~3 TB in 600,000 files to 707 users


9


GHRSST Reanalysis System MapGHRSST Reanalysis System Map

GDAC

GHRSST-PP Near Real-Time Data

Delayed Mode Data

Reanalysis SST CDRs

(L4)LTSRF

International ReanalysisCommunity


10



11


GHRSST Reanalysis System MapGHRSST Reanalysis System Map

GDAC

GHRSST-PP Near Real-Time Data

Delayed Mode Data

Reanalysis SST CDRs

(L4)LTSRF

International ReanalysisCommunity GCOS SST SI

Pathinder

RDACs

NASA & MyOcean NODC

RAN Projects


12


Pathfinder Climate Data RecordsPathfinder Climate Data Records

Pathfinder Version 5 being used extensively Pathfinder Version 5 being used extensively in re-analysis productsin re-analysis products

Reprocessing capability being transferred to Reprocessing capability being transferred to NODCNODC

Version 6 will consist of both L2P and L3 Version 6 will consist of both L2P and L3 productsproducts

Uncertainties to be developed similar to Uncertainties to be developed similar to MODIS hypercube approachMODIS hypercube approach

Improvements to quality tests being evaluatedImprovements to quality tests being evaluated


13


GCOS SST and SI Working GroupGCOS SST and SI Working Group

Intercomparison site being populated now:Intercomparison site being populated now:– AVHRR Pathfinder V5, AVHRR Pathfinder V4AVHRR Pathfinder V5, AVHRR Pathfinder V4– Operational AVHRROperational AVHRR– HadSST2HadSST2– KaplanKaplan– ERSST, OISSTv2, New Daily OIERSST, OISSTv2, New Daily OI

Weekly, one-degree and monthly five-degree Weekly, one-degree and monthly five-degree Connecting historical SST reconstructions Connecting historical SST reconstructions with the satellite recordwith the satellite recordFirst phase (all products in GHRSST L4) by First phase (all products in GHRSST L4) by Jan 1Jan 1


14


Reynolds Daily Reynolds Daily OI - Daily 25 kmOI - Daily 25 km

Two versions, Two versions, one available one available back to 1985 back to 1985 using Pathfinderusing Pathfinder

Improvements Improvements under under developmentdevelopment

Example L4 Re-AnalysesExample L4 Re-Analyses

Dick ReynoldsNOAA NCDC

New OI Using Pathfinder AVHRR

New OI Using Pathfinder AVHRR + AMSR-E


15


Example L4 Re-AnalysesExample L4 Re-Analyses

Met Office OSTIA Met Office OSTIA ReReanalysisanalysis– Using AVHRR Pathfinder back to 1985Using AVHRR Pathfinder back to 1985– Inputs compiled in 2008… Inputs compiled in 2008…

John Stark and Craig DonlonMet Office, UK


16


Status of GHRSST L4 ReanalysesStatus of GHRSST L4 Reanalyses

RSS


17


GHRSST Multi Product EnsembleGHRSST Multi Product Ensemble

Effort underway to inter-compare various GHRSST Effort underway to inter-compare various GHRSST and related L4 productsand related L4 products

Based on an ensemble median approach Based on an ensemble median approach (http://www.ghrsst-pp.org/Todays-global-SST.html)(http://www.ghrsst-pp.org/Todays-global-SST.html)

Currently includes: Currently includes: Met Office OSTIA SSTMet Office OSTIA SST

NCEP RTG_SST_HR SSTNCEP RTG_SST_HR SST

NAVOCEANO NAVO K10 SST observationsNAVOCEANO NAVO K10 SST observations

JMA MGDSST SSTJMA MGDSST SST

RSS RSS MW Fusion SSTRSS RSS MW Fusion SST

RSS RSS MW+IR Fusion SSTRSS RSS MW+IR Fusion SST

FNMOC GHRSST-PP SST and sea IceFNMOC GHRSST-PP SST and sea Ice

MERSEA ODYSSEA SSTMERSEA ODYSSEA SST

NOAA AVHRR OI (Reynolds Daily OI)NOAA AVHRR OI (Reynolds Daily OI)


18


Status of GHRSST L2P ReprocessingStatus of GHRSST L2P Reprocessing

1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

(A)ATSR

GOES

SEVIRI

AMSRE

MODIS

AVHRR

TMI

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

RSS

Pathfinder


19


SST CDR Priorities for 2008SST CDR Priorities for 2008

Initiate OSTIA Reanalysis back to 1985Initiate OSTIA Reanalysis back to 1985

Link historical and satellite analyses through Link historical and satellite analyses through intercomparison (both GCOS and GMPE)intercomparison (both GCOS and GMPE)

Close out Pathfinder V5 for 1985-2007, and Close out Pathfinder V5 for 1985-2007, and include 1981-1984include 1981-1984

Establish initial AVHRR Pathfinder capability Establish initial AVHRR Pathfinder capability at NODC ==> Version 6at NODC ==> Version 6

Find a means of creating retrospective MODIS Find a means of creating retrospective MODIS L2Ps L2Ps

(A)ATSR Version 2(A)ATSR Version 2


20


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, Tess Brandon John Relph, Sheri Phillips, Tess Brandon

Kenneth.Kenneth.Casey@[email protected]://ghrsst.nodc.noaa.govhttp://ghrsst.nodc.noaa.gov

1 oslo, norway - nov 2007 ghrsst/medspiration and the sst temperature climate data record kenneth...

Documents

norway slide

pathfinder avhrr

rss pathfinder slide

tmi slide

sea l4 slide

amsre slide

avhrr pathfinder v5

l2p metop avhrr ostia