use of l2p data in the mersea analyses wp2.2 partners: h. heiberg and s. eastwood (met.no),
DESCRIPTION
Use of L2P data in the MERSEA analyses WP2.2 partners: H. Heiberg and S. Eastwood (Met.no), L.Santoleri(CNR), E. Autret and J.-F. Piolle (Ifremer), P. Le Borgne, F. Orain, A. Marsouin, H. Roquet (MF/CMS) A.Coat, Y.Guichoux (Actimar). Mersea Analyses (L4) The CMS/IfremerMERSEA chain - PowerPoint PPT PresentationTRANSCRIPT
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Use of L2P data in the MERSEA analyses
WP2.2 partners: H. Heiberg and S. Eastwood (Met.no),
L.Santoleri(CNR), E. Autret and J.-F. Piolle (Ifremer),
P. Le Borgne, F. Orain, A. Marsouin, H. Roquet (MF/CMS)A.Coat, Y.Guichoux (Actimar)
– Mersea Analyses (L4)
–The CMS/IfremerMERSEA chain
– Operational bias correction
– Concluding remarks
DP/CMS/R&D Medspiration Villefranche Nov. 2006
- Future plans
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
L4 SST products in Mersea
– (GOS) Mediterranean analysis (daily, 1/16°horizontal resolution)
– (Met.no) High Latitude analysis (daily, 0.02° horizontal resolution)
– (M-F/CMS) Atlantic analysis (daily, 0.05° horizontal resolution)
– (IFREMER) Global analysis (daily, 0.1° horizontal resolution, replacing M-F/CMS global analysis)
Present status: operational or experimental routine production
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
GOS analysis
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
(Met.no) High Latitude analysis
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
(M-F) Atlantic analysis(Ifremer) Global analysis
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Datasets Producers
AATSR MedspirationNAR17 (18) MedspirationSEVIRI 3h 0.1° MedspirationSEVIRI 1h 0.05° (exp.)MERSEAGOES-12 1h 0.05° (exp.)MERSEAGOES-12 3h MISSTGOES-11 3h MISSTAVHRR17_G Medspiration MISSTAVHRR17_L Medspiration MISST AVHRR18_G MISSTAVHRR18_L MISSTMODIS A MISSTMODIS T MISSTAMSRE Medspiration MISST JAXATMI Medspiration MISST
Inputs: available L2P
?
?
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
The CMS IFREMER MERSEA chain
L2P (X) L2P (AATSR)
Native Collated Native Collated (L3) (composite of all available L2Ps)
Correction
Corrected collated (L3C)
Super collated
Analysed field (L4)
L2P(Y)
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Collated(Atlantic)
Composites of all L2Ps available over the Atlantic
between26/11/06 1200 UTC and
27/11/06 1200 UTC
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
CollatedAVHRR17_G
(Global)
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Super collated Atlantic
Composite of
all corrected collated files
available over the
Atlantic for a
given day
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Super collated Atlantic:
data origin
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
The CMS IFREMER MERSEA chain
L2P (X) L2P (AATSR)
Native Collated Native Collated
Correction
Corrected collated
Super collated
Analysed field (L4)
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Daily differences to AATSR
Can we use the AATSR as a reference?
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Using AATSR as a reference?
1) We want to correct for regional biases2) Compositing differences over several days shows promising results
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Daily bias correctionanalysis of 20 daily differences
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Daily bias correction confidence
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Is the correction efficient ?
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Super collated data origin
AATSR
AVHRR17
GOES12
AVHRR18
TMI
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Super collated SST over the Gulf of Mexico
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Super collated bias correction
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Future work (at CMS)- Inputs:
Inclusion of MODIS, METOP
- Method:
Improvement of the diurnal warming filtering
Correction method: implementation of control statistics
- Outputs:
Operational delivery of L4, supercollated, collated products
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Concluding remarks
- L2Ps are sometimes not available in time (Ancillary data may be problematic:NAAPS, NWP,…):
We need a Real Time L2P core
- The L2P flow must become fully operational
- The duplication of datasets between MISST and MEDSPIRATION should stop
- L2Ps are sometimes not available at all
- L2Ps are now widely used as THE SST products
- But:
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
Future plans
- EUMETSAT L2Ps (OSI SAF CDOP)•METOP•New Geostationary satellite processing lines •NPP/NPOESS (regional)•Sentinel 3 (?)
-From Mersea to Marine Core Services (TAC)(what should it be?)
•European GDAC•Validation responsibilities•Maintaining a competence in SST product merging(collated data production?)•Global and regional L4 production
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
METOP: First SST products (30/11/06)
MAROC
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
ARGENTINE
METOP: First SST products (01/12/06)
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DP/CMS/R&D Medspiration Villefranche Nov. 2006
K.Casey’s Climatology
ARGENTINE