Water body chlorophyll-a - Seasonal Climatology for Danube Delta (NW Black Sea) for the period 2001-2018 on the domain: Lon E28.5-30.5°E, Lat N43.7-45.6°N. (winter: December-February, - spring: March-May, - summer: June-August, - autumn: September-November) Data Sources: observational data from SeaDataNet/EMODNet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.5, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 47.730km and vertical correlation length of 45m were applied. Depth range: 0, 2.0, 4.0, 6.0, 8.0, 10.0, 15.0, 20.0, 25.0, 30.0 m. Units: mg/m^3. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.

Water body silicate - Seasonal Climatology for Gulf of Riga for the period 1994-2019 on the domain: Lon 22.3-25.0°E, Lat 56.8-58.4°N. Data Sources: observational data from SeaDataNet/EMODnet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 25 km and vertical correlation length of 10 m. Depth range: 0.0, 2.5, 5, 10, 15, 20, 25, 30, 40, 50 m. Units: µmol/l. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.

Water body dissolved inorganic nitrogen (DIN) - Seasonal Climatology for Gulf of Riga for the period 1994-2019 on the domain: Lon 22.3-25.0°E, Lat 56.8-58.4°N. Data Sources: observational data from SeaDataNet/EMODnet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 25 km and vertical correlation length of 10 m. Depth range: 0.0, 2.5, 5, 10, 15, 20, 25, 30, 40, 50 m. Units: µmol/l. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.

Water body chlorophyll-a - Seasonal Climatology for Gulf of Riga for the period 1994-2019 on the domain: Lon 22.3-25.0°E, Lat 56.8-58.4°N. Data Sources: observational data from SeaDataNet/EMODnet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 25 km and vertical correlation length of 10 m. Depth range: 0.0, 2.5, 5, 10, 15, 20, 25, 30, 40, 50 m. Units: mg/m3. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.

Water body dissolved oxygen concentration - Seasonal Climatology for Gulf of Riga for the period 1994-2019 on the domain: Lon 22.3-25.0°E, Lat 56.8-58.4°N. Data Sources: observational data from SeaDataNet/EMODnet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 25 km and vertical correlation length of 10 m. Depth range: 0.0, 2.5, 5, 10, 15, 20, 25, 30, 40, 50 m. Units: µmol/l. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.

Water body phosphate - Seasonal Climatology for Gulf of Riga for the period 1994-2018 on the domain: Lon 22.3-25.0°E, Lat 56.8-58.4°N. Data Sources: observational data from SeaDataNet/EMODnet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 25 km and vertical correlation length of 10 m. Depth range: 0.0, 2.5, 5, 10, 15, 20, 25, 30, 40, 50 m. Units: µmol/l. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.

Water body dissolved oxygen concentration - Seasonal Climatology for Danube Delta (NW Black Sea) for the period 1970-2018 on the domain: Lon E28.5-30.5°E, Lat N43.7-45.6°N. (winter: December-February, - spring: March-May, - summer: June-August, - autumn: September-November). Data Sources: observational data from SeaDataNet/EMODNet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.5, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 47.730km and vertical correlation length of 45m were applied. Depth range: 0, 2.0, 4.0, 6.0, 8.0, 10.0, 15.0, 20.0, 25.0, 30.0, 40.0, 50.0. Units: umol/l. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.

Water body silicate - Seasonal Climatology for Danube Delta (NW Black Sea) for the period 1970-2018 on the domain: Lon E28.5-30.5°E, Lat N43.7-45.6°N. (winter: December-February, - spring: March-May, - summer: June-August, - autumn: September-November). Data Sources: observational data from SeaDataNet/EMODNet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.5, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 47.730km and vertical correlation length of 45m were applied. Depth range: 0, 2.0, 4.0, 6.0, 8.0, 10.0, 15.0, 20.0, 25.0, 30.0, 40.0, 50.0 m. Units: umol/l. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.

Water body dissolved inorganic nitrogen (DIN) - - Seasonal Climatology for Danube Delta (NW Black Sea) for the period 1980-2018 on the domain: Lon E28.5-30.5°E, Lat N43.7-45.6°N. (winter: December-February, - spring: March-May, - summer: June-August, - autumn: September-November). Data Sources: observational data from SeaDataNet/EMODNet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.5, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 47.730km and vertical correlation length of 45m were applied. Depth range: 0, 2.0, 4.0, 6.0, 8.0, 10.0, 15.0, 20.0, 25.0, 30.0, 40.0, 50.0. Units: umol/l. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.

Water body phosphate - Seasonal Climatology for Danube Delta (NW Black Sea) for the period 1970-2018 on the domain: Lon E28.5-30.5°E, Lat N43.7-45.6°N. (winter: December-February, - spring: March-May, - summer: June-August, - autumn: September-November). Data Sources: observational data from SeaDataNet/EMODNet Chemistry Data Network. Description of DIVA analysis: The computation was done with the DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.5, using GEBCO 30sec topography for the spatial connectivity of water masses. Horizontal correlation length of 47.730km and vertical correlation length of 45m were applied. Depth range: 0, 2.0, 4.0, 6.0, 8.0, 10.0, 15.0, 20.0, 25.0, 30.0, 40.0, 50.0 m. Units: umol/l. The horizontal resolution of the produced DIVAnd maps grids is 0.01 degrees.