Mean summer surface concentrations of chlorophyll a in the Greater North Sea, the Irish Sea and the north-east Atlantic, 2003

Coastal stations are marked by circles and ICES open-water stations by squares

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Methodology

The map is based on a .dbf file named after its season-location (e.g. summermeans_baltic.dbf containing Chlorophyll A values from the Baltic Sea, incl. longitude/latitude by station). The name location part of the name has an "OW" postfix if it contains Open Water data, otherwise data are form coastal stations. The colours of the legend are based on the 20%, 40%, 60% and 80% percentiles of the indicator presented.

Additional information

Level of classification is based on 20%, 40%, 60% and 80% percentiles of the chlorophyll A distribution at coastal stations.

Mean summer surface concentrations of chlorophyll a in the Greater North Sea, the Irish Sea and the north-east Atlantic, 2003

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References and footnotes