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The Suboxic Zone in the Black Sea

Presenter: James Murray
When: November 2, 2004 2:30PM PST

The Black Sea is a large permanent anoxic basin that has been considered an analog for the ancient earth’s ocean. This sea has an oxic surface layer over an anoxic (sulfide containing) deep layer. At the boundary there is a layer that is about 50 m thick with no oxygen or sulfide. In this layer there are many interesting intermediate redox reactions involving species of Fe, Mn and N.

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