Development of oxygen depletion in the Baltic Sea over time

Figure Created 06 Jun 2016 Published 20 Dec 2016 Last modified 09 Feb 2017
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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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