1. Godae-OceanView French National report 2011 Nicolas Ferry Mercator Océan, GOVST-III meeting, ESA HQ Paris, 14-18 Nov. 2011

2. 2 1.IBI 1/36° 2.BIO 1° 3.GLORYS2V1 reanalysis (1992-2009) 4.Fukushima incident Outline

3. 3 SST 11 Sept. 2010 IBI 1/36° operational NEMO – ORCA grid model Explicit free surface with ad hoc physical parameterisations: simulation of tides state of the art vertical mixing model (k-epsilon) explicit forcing by atmospheric surface pressure Initial condition inherited from PSY2 (NATL, 1/12°) operational system + onee-way nesting:  Every week: 3 week hindcast + 2 week forecast daily updates Copy of the system operated by Puertos d. E. (Spain)  MyOcean service since June

4. 4 CLASS4: current meter moorings IBI 1/36° : CAL/VAL

5. 5 Storm surge assessment IBI 1/36° : CAL/VAL BILBAO

6. 6 Taylor diagram for analysed SST: IBI 1/36° : CAL/VAL High freq. (T 20j) IBI36 GLO ¼°

7. 7 - Analysis / forecast skill evaluated - CLASS1, CLASS4, …. IBI 1/36° : CAL/VAL

8. 8 BIOMER1°: operationnal Bio geochemical analysis and forecasting  forced by ¼° global system - PISCES - Off line simulation at coarser resolution (1°) with the physical forcing upscaled ¼°  1° -MyOcean Global Bio component -In operation since June -Extensive CAL/VAL (3 years hindcasts)

9. 9 BIOMER1°: in demonstration Dissolved O 2 : Ana. Oct 2010 CLIM. Oct

10. 10 BIOMER1°: in demonstration Chla: Ana. Oct 2010 CLIM. Oct

11. 11 GLORYS – Objectives  eddy permitting global ocean/sea-ice reanalysis spanning the “altimetric + ARGO" era 1992-2009.  reanalysis system close to operational PS3V3 ¼° system : GLORYS2V1 reanalysis (1992-2009) Coordination at European level (MyOcean project): NEMO3 Ocean code, tuned for reanalyses, ERA Interim forcing Reprocessed historical observations provided by TACs Different data assimilation methods 3 GLO ¼° Reanalyses : MERCATOR (Fr.), U. Reading (UK), CMCC (It) 1 CTRL simulation CNRS (Fr.) 1 Ocean state estimation based on observations only: CLS (Fr.)  Common CAL/VAL protocol for reanalyses evaluation and assessment

12. 12 GLORYS – Objectives GLORYS2V1 reanalysis (1992-2009) Global ocean/sea-ice « eddy-permitting » circulation model: ORCA025.L75 - NEMO OGCM (Ocean: OPA, sea-ice: LIM2_EVP), 75 levels (dz=1m near surface, dz=200m near bottom ) - ERA-Interim, 3H turbulent fluxes, GEWEX based correction for radiative fluxes - Configuration set up by DRAKKAR consortium (Barnier et al, 2006, Drakkar group, 2007). Data assimilation system - Adapted from operational SAM systems used by MERCATOR-Ocean for operational forecasts - SEEK Filter + 3DVAR bias correction for Temp and Salinity. + IAU A delayed-time quality-controlled observations for assimilation - In-situ: CORA data base (Coriolis data center) - Altimetry: AVISO data base (CLS) - SST maps: Reynolds 0.25° AVHRR_only Reanalysis system features

13. 13 Data assimilation diagnostics for T Global misfit averageGlobal misfit RMS No BIAS RMS is stable Results: GLORYS2V1 reanalysis : 1992-2009 ARGO is getting in

14. 14 Data assimilation monitoring : SLA 1992 2009 GLORYS2V1 reanalysis results No BIAS RMS ~7cm

15. 15 CLASS1 metric - difference with climatology SST (0.5 m depth): difference with Levitus climatology GLORYS2REFERENCE: MJM95 Results: GLORYS2V1 reanalysis : 1992-2009

16. 16 GLORYS2V1 Levitus et al., GRL 2005 Ocean Heat Content 0-700m 10 22 J Results: GLORYS2V1 reanalysis : 1992-2009

17. 17 SST trends ___ GLORYS: 0.10°C/decade - - - OBS. : 0.17°C/decade Results: GLORYS2V1 reanalysis : 1992-2009

18. 18 Arctic Sea Ice: Ice extent SEA ICE EXTENT INTERANNUAL ANOMALIES Correlation = 0.9 Results: GLORYS2V1 reanalysis : 1992-2009

19. 19 Arctic Sea Ice Extent: September 2007 minimum Results: GLORYS2V1 reanalysis : 1992-2009

20. 20 GLORYS users > 40 users, data volume provided > 16 TB several research areas and application fields: Biogeochemical modelling (LSCE, Mercator) Ecosystem modeling (CLS/MEMMS) Sea Ice (LPO, Mercator) TIWs (LEGOS) pCO2 (NIES Japan, Bjerknes CCR) Ocean circulation estimation and validation (CLS, SHOM) Ocean Thermal Energy Conversion (EDF, Mercator) Boundary / Initial conditions for regional modeling (CNRM, Infocean) Mean Dynamic Topography inter comparisons (CLS, China) MOC, MHT (RSMAS, UFRPE, CLS, Mercator) South Atlantic circulation (NOAA) Climate indexes, trends (IMEDEA, Spain) Global ocean Mass budget (EOST/IPGS, NASA/GSFC) object / animal drift (CLS, LPO, U. Texas, U. Hawai) Hurricane (LEGI, CERSAT) …

21. 21 Oceanic bulletin on the oceanic off Japan: based on global 1/12° Mercator OOFS http://www.mercator-ocean.fr/eng/produits-services/bulletins/japan COMMENTAIRE Fukushima incident

22. 22 Fukushima incident Mercator has provided to SIROCCO modeling group (LEGOS, Toulouse, FR): 1. High resol. 1/12° analyses / forecasts from operational PSY4 OOF 2. ECMWF atmospheric forcing fields  Daily forecasts provided to Atomic Energy Authority

23. 23 Perspectives MyOcean project ends April 2012. MyOcean2 project (2,5 years) follows GLOBAL 1/12° OOFS upgrade: Upgraded model config (CORE Bulk, 3 hourly) IAU, improved obs. errors Continue to improve Global ¼°, Regional 1/12° OOFSs Contribute to GOV TT: NRT OSEs / OISs CLASS 4 intercomparison for in situ T,S CLASS 4 intercomparison for tide gauge sea lev.