SeaDataNet Joint Research Activities synthesis of regional data products status & development JRA 5-9 JRA 5 MediterraneanSea JRA 6 BlackSea JRA 7 BalticSea JRA 8 North & Arctic Seas JRA 9 Atlantic & Global Ocean Vittorio Barale Joint Research Centre, European Commission SDN Third Plenary Annual Meeting Madrid (Spain), March 2009

VERSION 1 (V1) JRA Data Products time series & climatologies, common Geo-statistical Analysis Tools (DIVA) V1 (in situ data) seasonal and annual statistics, on grid points and water column: temperature, salinity, currents and bio-chemical parameters V1 (satellite data) seasonal and annual statistics, on (surface) grid points: temperature, dynamic height/altimetry, salinity, wind and sea state, sea ice VERSION 2 (V2) JRA Data Products V2 in situ and satellite Core Parameters (and priorities) … Criteria established for Web Access to V2 JRA Data Products

JRA 5 Mediterranean Sea V0 GRIDDED MONTHLY CLIMATOLOGIES (IN SITU DATA) V0 gridded monthly climatologies for Temperature and Salinity (DIVA proc.) using Medar/Medatlas 2002 (salinity data from 1978) horizontal grid resolution 1/8°, 25 levels lon 9.25W-36E, lat 30N-46N

V1 GRIDDED MONTHLY CLIMATOLOGIES (IN SITU DATA) V1 gridded monthly climatologies for Temperature and Salinity (DIVA proc.) and annual climatologies of bio-geo-chemicals * (DIVA proc.) using data from Medar/Medatlas 2002 and Mater * (AMON, PHOS, DOXY+DOX1+DOX2, NTRA, NTRI, ALKY, PHPH, CPHL) * (AMON, PHOS, DOXY+DOX1+DOX2, NTRA, NTRI, ALKY, PHPH, CPHL) horizontal grid resolution 1/8°, 32 levels lon 9.25W-36E, lat 30N-46N - available (NetCDF version) at : ftp://mfs.bo.ingv.it JRA 5 Mediterranean Sea

V2 GRIDDED MONTHLY CLIMATOLOGIES (IN SITU DATA) V2 gridded monthly climatologies (basin-wide, DIVA proc.) for: temperature, salinity and bio-geo-chemical * parameters * (dissolved oxygen, nitrate, nitrite, phosphate, alkalinity, ph, total chl, ammonium) * (dissolved oxygen, nitrate, nitrite, phosphate, alkalinity, ph, total chl, ammonium) … same for Adriatic Sea (DIVA proc.) - available (NetCDF version) at: ( monthly climatologies, maps of data distribution, DIVA mesh, error and analysed field ) ( monthly climatologies, maps of data distribution, DIVA mesh, error and analysed field ) ”We asked to the JRAs coordinator to postpone the V2 production in oder to have more time to organise the data collection for V2 climatologies …”

JRA 6 Black Sea V1 Data Products - identify available historical data sources for in-situ parameters Select parameters based on accessibility, sufficiency, coverage and quality Generate V1 products for selected parameters with traditional methods - identify available data sources for remote sensing parameters Select parameters based on their accessibility Generate V1 products for these parameters with traditional methods - collection of historical/recent data to avoid insufficient coverage - collection of recent data for updating existing V1 data products - upgrade of V1 products by assimilation of new data - introduce DIVA for further work to upgrade V1 products to V2 … problems …  data on chemical parameters are scarce for reliable climatic products  official requests for data other than T/S produced no reply / refusal  no sea currents data from moored buoys time series with public access  gaps inSST and OC due to cloud coverage, SLA and SCA not available  gaps in SST and OC due to cloud coverage, SLA and SCA not available  DIVA not used (consistency, implementation, data scarsity, cost)  QAA not applied due to lack of (a) common approach (b) data flow

JRA 6 Black Sea V1 Black Sea Data Products accessible at the web site except annual maps for O 2, H 2 S, nutrients in process of verification temperature JUN 10 m dynamic height JUN 10 m heat storage JUN 10 m density JUN 10 m salinity JUN 10 m H 2 S dissolved O

JRA 6 Black Sea V2 Data Products  problem to fulfill V2 requirements for chemical in situ parameters - time scales : not enough data for all required monthly fields (in winter) - time scales : not enough data for all required monthly fields (in winter) - space scales : coverage is regular, but coarse, sometimes limited coastal areas - space scales : coverage is regular, but coarse, sometimes limited coastal areas  low-resolution basin-wide maps only for selected months and depths  higher resolutions maps limited to North-West Black Sea  problems with SLA and SCA data products - data sets currently not available  co-operation with other projects required, e.g. ECOOP, MyOcean  problemwith overlapping area  problem with overlapping area - selection of Sea of Marmara is questionable - not part of either Med basin or Black Sea basin … beyond of responsibility of corresponding JRAs  will extend the area of interest to the Sea of Marmara for SST and Chl-a  problemof reformatting Data Products to NetCDF  problem of reformatting Data Products to NetCDF - requires additional manpower  data products upgrade

VERSION 1 (V1) DATA PRODUCTS - ICES databases, coverage 9-30°E and 53-66°N (no Norwegian Sea) - overlap with North Sea dataset °E and °N - TEMP, PSAL, 13 depth layers, monthly resolution ( ) - can be downloaded from - can be downloaded from ftp://ftp.dmu.dk/dmu/DIVA JRA 7 Baltic Sea Example of a trajectory with ODV : (left panel) example of trajectory itinerary by ODV; (right panel) ODV using DIVA approximation for the trajectory itinerary

DIVA on ICES/SDN WOA 2005 (period?) DIVA 1º grid ICES/SDN DIVA 1º grid B.A. (IOW) JRA 7 Baltic Sea Comparisons: July surface temperature VERSION 2 (V2) DATA PRODUCTS - processed in a manner similar to V1 (aggregated to several months when needed) - TEMP, PSAL, NTOT, AMON, NTRI+NTRA, TPHS, PHOS, SLCA, DOXY-2xH2SX - … at present, preliminary DIVA approximations regarding V2 variables are deliverable within a few days upon request to NERI … are deliverable within a few days upon request to NERI …

Monthly difference between EUMETSAT IMGW SST analyses and DIVA analyses for surface temperature, in ; the unit is Δ°C, x axis is longitude, y axis latitude, color bars span from -5 to +5 °C. The black dots are data points for the DIVA analyses. JRA 7 Baltic Sea DIVA analyses vs SST

JRA 8 North & Arctic Seas V1 Data Products  region originally divided in 8 sub-regions i.e. Barents Sea, Norwegian Sea, Greenland Sea, Irminger Sea, Iceland Sea (North of Iceland), Iceland Basin (South of Iceland), North Sea and Skagerrak  focus on 3 basins: North Sea (+ Skagerrak), Barents Sea, Norwegian Sea A common border zone, where data is exchanged, ensures a smooth transmission between sub-regions. The western part of the Arctic will rely on the Global Ocean product due to lack of data in the area.  North Sea and Barents Sea : first version of climatology (T, S) Norwegian Sea to be processed … Norwegian Sea to be processed … - monthly datasets - gridding in the chosen areas - difficulties in datasets impose quality assurance - datasets cover a period of almost 40 years, 1970 – parameters include temperature and salinity at standard depth levels (for Barents Sea standard depths are 450, 400, 350, 300, 250, 200, 150, 125, 100, 75, 50, 30, 20, 10, 0 m) (for Barents Sea standard depths are 450, 400, 350, 300, 250, 200, 150, 125, 100, 75, 50, 30, 20, 10, 0 m) Arctic Seas geographical boundaries

JRA 8 North & Arctic Seas V1 Data Products The first version of the climatologies includes: - surface TEMPERATURE, January to December, for the entire period … - surface TEMPERATURE, seasonal plots for 3 sub-regions (North Sea + Skagerrak, Barents Sea, Norwegian Sea) - long-term time series plot of annual, summer and winter mean surface TEMPERATURE in the sub-regions - surface SALINITY, January to December, for the entire period … - surface SALINITY, seasonal plots for 3 sub-regions (North Sea + Skagerrak, Barents Sea, Norwegian Sea) - long-term time series plot of annual mean, summer and winter mean surface SALINITY in the sub-regions - spatial distribution of TEMPERATURE in standard depth layers -spatial distribution of SALINITY in standard depth layers “… I managed to run DIVA on a Barents Sea dataset with fairly good results …” 2 resulting NetCDF files of 200Mb, one for Temperature and one for Salinity at : at : North Sea surface temperature and salinity from the WOA 2005 (May climatological mean) SSS psu SST °C

V2 Data Products … in V2 the maps above (V1) will be extended to include: chlorophyll a, chlorophyll a, oxygen, oxygen, primary production, primary production, total nitrogen, total nitrogen, total phosphorus, total phosphorus, dissolved inorganic nitrogen (nitrate + nitrite + ammonium), dissolved inorganic nitrogen (nitrate + nitrite + ammonium), dissolved inorganic phosphorus (phosphate), dissolved inorganic phosphorus (phosphate), dissolved silicate, dissolved silicate, to the extent that data coverage is sufficient to obtain reliable estimates … JRA 8 North & Arctic Seas

JRA 9 Atlantic & Global Ocean V1 Data Products - effort to harmonize datasets and geo-statistical analysis tool - for the North Atlantic Ocean and associated specific areas : DIVA - for the Global Ocean : ISAS (objective analysis by Coriolis Center) North Atlantic Ocean ARGO dataset, space coverage: 20°S-77°N, time coverage:

JRA 9 Atlantic & Global Ocean V1 Data Products - Eastern North Atlantic, Bay of Biscay, Morocco upwelling - climatologies T and S (+ others) accessible by region, period, depth, variable … agreements must be found in the nomenclature of the filenames … … agreements must be found in the nomenclature of the filenames … - global product (Coriolis) at - global product (Coriolis) at … not for all the variables (especially for biological parameters) and depth levels … … not for all the variables (especially for biological parameters) and depth levels … DIVA-analyzed temperature and salinity fields, at level 13 (1200m),

V2 Data Products - new effort to exchange datasets between partners - future work to include bio-chemical parameters - V2 will be extended to oxygen, nutrients and surface products from satellite data (altimetry, temperature and colour) surface products from satellite data (altimetry, temperature and colour) DIVA-analyzed temperature and salinity fields, at 10 m depth, summer means JRA 9 Atlantic & Global Ocean PSAL TEMP

VERSION 2 (V2) UPGRADES … original SeaDataNet plans call for a re-assessment of the JRA data products, to be upgraded for a “final” V2 system … … original SeaDataNet plans call for a re-assessment of the JRA data products, to be upgraded for a “final” V2 system … JRA5. Quantity of input data for Mediterranean climatologies to be enlarged. Advection constraint to be applied for production of different products. Advection constraint to be applied for production of different products. JRA6. Reformatting to NetCDF. JRA7. For the O 2 variable, defined as [O 2 - 2xSH 2 ], the climatologies will use density maps enabling isobar contours instead of depth contours. density maps enabling isobar contours instead of depth contours. JRA8. No upgrades planned. JRA9. Compute statistics also on the vertical profiles, not only on the horizontal gridded field, using a specific box size (1x1’, 5x5’, 1x1º). Such reference gridded field, using a specific box size (1x1’, 5x5’, 1x1º). Such reference vertical profiles are very usefully for QC purposes. vertical profiles are very usefully for QC purposes.

JRA s’ Data Banking