Marine Core Service MY OCEAN WP 4 Monitoring & Forecasting Center for Global Ocean

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma WP 4 Global Ocean MFC 4.1 coordination 4.2 Research & Development 4.3 Development & Maintenance 4.4 Production 4.5 CalVal & Quality Mercator Océan And UK Met Office CLS CNRS (LEGI + LOCEAN) Mercator Océan NERC (NOCS) UKMO CLS Mercator Océan UKMO CLS CMCC DFO Mercator Océan UKMO UREADS CLS CMCC DFO Mercator Océan UKMO UREADS Reminder - Partnership

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Reminder from KO - Objectives for R&D n Objective –Enhance and broaden the capacity of the modeling, assimilation and monitoring components to improve product quality n Major issues –Ice modeling and ice data assimilation –Ecosystem coupling with the physical model –Modeling of the background error covariance matrix in data assimilation –Prepare reanalysis system –Develop R&D tasks within NEMO  Outcome Expected for other WP: NWS, IBI, Med –Improve the capacity of the monitoring system –Incorporate outcomes of WP3

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma R&D : main achievements n Preparation of the nominal modeling/assimilation systems –V1: Global ¼° + Natl 1/12 nested + various upgrades NEMO upgrade, biais correction, 3-hourly forcing, new bulk, EVP ice rheology, new assimilation cycling, IAU, … –V2: Global 1/12°, Biogeochemistry (PISCES 1° coupled to the global ¼°) Long simulation produced and assessed n Preparation of the backup system –V1: Global ¼° + nested North Atlantic and Med 1/12° configs NEMO upgrade, 3-hourly forcing, relax to OSTIA, new MDT, revisit the cov computation, … –V2 (and +): CICE assessed, NEMOVAR developments n Preparation of the global ¼° reanalysis –An ensemble of 3 reanalysis + 1 reference run without assimilation + one observation-based product without model Work on the model configuration: ORCA levels Work on the ERA-interim flux corrections (radiative, precip) n Development of biogeochemistry at the Met Office (R&D) n Comparison of different ice and biogeochemical models at NOCS n Comparison of different global SST products at CLS n Development of NEMO (optimisation, …) + configuration toolbox at CNRS

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Reminder from KO - Objectives for Dev. & Maintenance n Objectives –Transition to operational mode the existing demonstration systems (V0  V1) –Enhance the capacity to incorporate R&D results (V0  V2) n Major issues –System analysis to identify single points of failure and develop redundancy on them (Backup developments) –Consolidation of interfaces with other TACs and MFCs –Adapt the system to yet-unknown users need (link with WP16, WP17, and regional MFCs –Prepare the verification and validation, and produce the system documentation (link with WP2)

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Dev. & Maint. : main achievements n Maintenance of the V0 system n Integration of the V1 (stream 1) nominal system –New sub-system for the elaboration of the forcing fields (3-hourly) –New monitoring system + input observation QC system –New modelling and forecasting systems: regional nested into the global + other upgrades –Post processing to prepare the products (standard grids, regional tiling, …) –Integration of the MIS Gateway –Production of the technical documentation required –Transition of V1 into operation on operational computer resources n Integration of the backup V1 system –Archiving of NetCDF files –New post processing sub system –Output AMM BDY files for NEMO-SHELF –Integration of MIS Gateway –Production of the technical documentation required n Development of the CMCC PU for the dissemination of their reanalysis (Stream 2) n Preparation of the V2 system –Global 1/12, biogeochemistry, daily service + various upgrades, …

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Reminder from KO - Objectives for Production n Objectives –Perform system operation to continuously deliver quality ocean products in real-time –Produce reanalysis products for the altimeter period (1993  ) n Major issues –Transition to operational service (V0  V1) –To Monitor, control and prepare the input data (links with TACs and external data providers) –Ensure continuous production while system is upgraded (transition process, V0  V1  V2, link with WP2) –Monitor (and improve) the production process quality –Maintain product repository and archive –Monitor the OLAs (links with WP16 and regional MFCs)

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Production : main achievements n The V0 system has been operated regularly until its replacement by V1, delivering V0 services n The V1 system has been operated regularly since the end of last year, delivering V1 service –All the defined service processes are run since the launch of V1 service monitoring reporting, event, incident, change management… n Dissemination servers have been operated continuously (V0, V0/V1 parallel, V1) n Global reanalysis at ¼° ( ) have been produced –3 reanalysis, 1 forced reference simulation, 1 L4 product based on the reprocessing of the observation (without assimilation) n V1 system operates as expected (availability and timeliness meet the specs) n No need to switch to the backup system have been identified

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Reminder from KO - Objectives for Cal / Val n Objectives –Continuously monitor product quality –Collect downstream components feedback n Main issues –Generalise and systematise the validation methodology developed in previous projects (Metrics) –Apply this methodology to the subsystem and its evolutions (verification/validation process, link with WP2) –Ensure the feedback loop between downstream subsystems and the global subsystem (adaptation, link with WP16 and regional MFCs) Fitness for purpose issue

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Cal/Val : main achievements n Calibration (i.e. Verification in the V cycle definition) –Done once for new products –Compute static error bars –Calibration plan (ScCP) Defines the methodology –Calibration report (ScCR) delivered for acceptance Applies the methodology defined n Validation (i.e. Validation in the V cycle) –Done regularly for the real-time products –Compare the results obtained with a pre-defined reference –Validation plan (ScVP) Defines the methodology –Validation Report (ScVR) delivered at the PRR Applies the methodology n ScCP and ScVP delivered for V1S1 and V1S2 acceptance n ScCR delivered for V1S1 and V1S2 acceptance n ScVR delivered for the PRR

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Reminder from KO - Main Challenges n Scientific and technical Challenges –Keep as close as possible to the state-of-the-art in an operational context n Operational Challenges –Ensure continuity of service with strongly evolving systems n Ultimate Challenge –Meet users expectations in terms of product quality

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Future challenges n Manage releases in parallel to changes –Release: new products V1S1, V1S2, V2, system capacity enlargement (e.g weekly  daily service) –Change: upgrade the existing products/system n Adapt to the new V2 plans –Originally planned for the end of the project: April 2012 –Now, to be accepted by September 2011: 6 month in advance 3-6 month development time lost: reanalysis ? n Accommodate MyO release management with PU own release management –Example the backup system major changes are planned after V2: 1st quarter of 2012 (Met Office constrains) NEMOVAR, CICE, … n Availability of computing resources for the nominal –Existing resources reaching end-of-life –Next computing capacity upgrade planned not before 2013

Marine Core Service MyOcean : Second Annual Meeting / April 2011 / Roma Planning until V2 VARR (Nominal PU example) Upgrade of the V1 systems may june july aug sept oct nov Acceptance dec MyOcean V2 VARR Global 1/12° : Real time DEMO production Global BIO 1° : End of development Global BIO 1° : Real time DEMO production OPR for V2 Routine service OPR for V1 V2 Real time production Sub system PDR Interannual simulation and validation Upgrade of the V1 system (through change management) Prepare an upgrade of the systems for future release DVPT