Development of oxygen depletion in the Baltic Sea over time

Figure Created 06 Jun 2016 Published 20 Dec 2016 Last modified 09 Feb 2017
Spatial distribution of bottom hypoxia and anoxia in 1906 (left), 1955 (centre) and 2012 (right). Estimated bottom oxygen concentrations below 2 mg per litre are shown in red; black depicts the absence of oxygen. The spatial distribution represents means across all months.


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