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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),

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Presentation on theme: "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),"— Presentation transcript:

1 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

2 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

3 DP/CMS/R&D Medspiration Villefranche Nov. 2006 GOS analysis

4 DP/CMS/R&D Medspiration Villefranche Nov. 2006 (Met.no) High Latitude analysis

5 DP/CMS/R&D Medspiration Villefranche Nov. 2006 (M-F) Atlantic analysis(Ifremer) Global analysis

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

7 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)

8 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Collated (Atlantic) Composites of all L2Ps available over the Atlantic between 26/11/06 1200 UTC and 27/11/06 1200 UTC

9 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Collated AVHRR17_G (Global)

10 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

11 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Super collated Atlantic: data origin

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

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

14 DP/CMS/R&D Medspiration Villefranche Nov. 2006 The CMS IFREMER MERSEA chain L2P (X) L2P (AATSR) Native Collated Correction Corrected collated Super collated Analysed field (L4)

15 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Daily differences to AATSR Can we use the AATSR as a reference?

16 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Using AATSR as a reference? 1) We want to correct for regional biases 2) Compositing differences over several days shows promising results

17 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Daily bias correction analysis of 20 daily differences

18 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Daily bias correction confidence

19 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Is the correction efficient ?

20 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Super collated data origin AATSR AVHRR17 GOES12 AVHRR18 TMI

21 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Super collated SST over the Gulf of Mexico

22 DP/CMS/R&D Medspiration Villefranche Nov. 2006 Super collated bias correction

23 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

24 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:

25 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

26 DP/CMS/R&D Medspiration Villefranche Nov. 2006 METOP: First SST products (30/11/06) MAROC

27 DP/CMS/R&D Medspiration Villefranche Nov. 2006 ARGENTINE METOP: First SST products (01/12/06)

28 DP/CMS/R&D Medspiration Villefranche Nov. 2006 K.Casey’s Climatology ARGENTINE

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