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),

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Presentation transcript:

DP/CMS/R&D Medspiration Villefranche Nov 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 Future plans

DP/CMS/R&D Medspiration Villefranche Nov 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

DP/CMS/R&D Medspiration Villefranche Nov GOS analysis

DP/CMS/R&D Medspiration Villefranche Nov (Met.no) High Latitude analysis

DP/CMS/R&D Medspiration Villefranche Nov (M-F) Atlantic analysis(Ifremer) Global analysis

DP/CMS/R&D Medspiration Villefranche Nov DatasetsProducers AATSRMedspiration NAR17 (18) Medspiration SEVIRI 3h 0.1°Medspiration SEVIRI 1h 0.05°(exp.)MERSEA GOES-12 1h 0.05°(exp.)MERSEA GOES-12 3hMISST GOES-11 3hMISST AVHRR17_GMedspirationMISST AVHRR17_LMedspirationMISST AVHRR18_GMISST AVHRR18_LMISST MODIS AMISST MODIS TMISST AMSREMedspirationMISSTJAXA TMIMedspirationMISST Inputs: available L2P ? ?

DP/CMS/R&D Medspiration Villefranche Nov 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)

DP/CMS/R&D Medspiration Villefranche Nov Collated (Atlantic) Composites of all L2Ps available over the Atlantic between 26/11/ UTC and 27/11/ UTC

DP/CMS/R&D Medspiration Villefranche Nov Collated AVHRR17_G (Global)

DP/CMS/R&D Medspiration Villefranche Nov Super collated Atlantic Composite of all corrected collated files available over the Atlantic for a given day

DP/CMS/R&D Medspiration Villefranche Nov Super collated Atlantic: data origin

DP/CMS/R&D Medspiration Villefranche Nov. 2006

DP/CMS/R&D Medspiration Villefranche Nov. 2006

DP/CMS/R&D Medspiration Villefranche Nov The CMS IFREMER MERSEA chain L2P (X) L2P (AATSR) Native Collated Correction Corrected collated Super collated Analysed field (L4)

DP/CMS/R&D Medspiration Villefranche Nov Daily differences to AATSR Can we use the AATSR as a reference?

DP/CMS/R&D Medspiration Villefranche Nov Using AATSR as a reference? 1) We want to correct for regional biases 2) Compositing differences over several days shows promising results

DP/CMS/R&D Medspiration Villefranche Nov Daily bias correction analysis of 20 daily differences

DP/CMS/R&D Medspiration Villefranche Nov Daily bias correction confidence

DP/CMS/R&D Medspiration Villefranche Nov Is the correction efficient ?

DP/CMS/R&D Medspiration Villefranche Nov Super collated data origin AATSR AVHRR17 GOES12 AVHRR18 TMI

DP/CMS/R&D Medspiration Villefranche Nov Super collated SST over the Gulf of Mexico

DP/CMS/R&D Medspiration Villefranche Nov Super collated bias correction

DP/CMS/R&D Medspiration Villefranche Nov 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

DP/CMS/R&D Medspiration Villefranche Nov 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:

DP/CMS/R&D Medspiration Villefranche Nov 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

DP/CMS/R&D Medspiration Villefranche Nov METOP: First SST products (30/11/06) MAROC

DP/CMS/R&D Medspiration Villefranche Nov ARGENTINE METOP: First SST products (01/12/06)

DP/CMS/R&D Medspiration Villefranche Nov K.Casey’s Climatology ARGENTINE