Articles | Volume 12, issue 8
Biogeosciences, 12, 2597–2605, 2015

Special issue: Low oxygen environments in marine, fresh and estuarine...

Biogeosciences, 12, 2597–2605, 2015

Research article 30 Apr 2015

Research article | 30 Apr 2015

Open ocean dead zones in the tropical North Atlantic Ocean

J. Karstensen et al.


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Latest update: 26 Nov 2021
Short summary
This study is the first report of the formation of dead zones in the open ocean. A combination of multiple ocean observing system elements (mooring, floats, satellites, ships) allowed us to reconstruct the generation of the dead zones and to connect the formation to enhanced respiration within mesoscale ocean eddies. The dead zones present specific threats to the ecosystem, such as the interruption of the diurnal migration of zooplankters.
Final-revised paper