EEA CSI Indicators on Nutrients, Chlorophyll a and Dissolved Oxygen

DataSource

• 1 ICES Bottle and low resolution CTD data
• 2 ICES high resolution CTD data
• 3 ICES Pump data
• 4 EMODnet Arctic Sea
• 5 EMODnet Atlantic Sea
• 6 EMODnet Baltic Sea
• 7 EMODnet Black Sea
• 8 EMODnet Mediterranean Sea
• 9 EMODnet North Sea
• 10 EEA WISE data

Sea Regions / Subregions

• Baltic Sea
  • 1 Baltic Sea
• North East Atlantic Ocean
  • 2 Greater North Sea, incl. the Kattegat and the English Channel
  • 3 Celtic Seas
  • 4 Bay of Biscay and the Iberian Coast
  • 5 Macaronesia
• Mediterranean Sea
  • 6 Western Mediterranean Sea
  • 7 Adriatic Sea
  • 8 Ionian Sea and the Central Mediterranean Sea
  • 9 Aegean-Levantine Sea
• Black Sea
  • 10 Black Sea
  • 11 Sea of Marmara
  • 12 Sea of Azov

Nutrients

• Parameters
  • Nitrate Nitrogen [NO3-N]
  • Nitrite Nitrogen [NO2-N]
  • Ammonium Nitrogen [NH4-N]
  • Total Nitrogen [N]
  • Phosphate Phosphorus [PO4_P]
  • Total Phosphorus [P]
• Unit
  • umol/l
• Aggregation of dissolved nutrients
  • Depth: <= 10 m
  • Period: Winter
    • January - March for stations within Baltic Sea east of 15 E
    • January - February for all other stations
  • Arithmetric mean of mean by station and cluster per year - TwoStageAnnualMean
• Aggregation of total nutrients
  • Depth: <= 10 m
  • Period: Annual
  • Arithmetric mean of mean by station and cluster per year - TwoStageAnnualMean

Chlorophyll a

• Parameters
  • Chlorophyll a
• Units
  • ug/l
• Aggregation
  • Depth: <= 10 m
  • Period: Summer
    • June - September for stations within Baltic Sea north of 59 N
    • May - September for all other stations
  • Arithmetric mean of mean by station and cluster per year - TwoStageAnnualMean

Dissolved Oxygen

• Parameters
  • Dissolved Oxygen
• Units
  • ml/l
• Aggregation
  • Depth: <= 10 m above seafloor
  • Period: July - October
  • 1-, 5- and 10 percentile by station and cluster per year