Global Low Oxygen Map (IMAGE)

Smithsonian

Global Low Oxygen Map

Caption

Low-oxygen zones are spreading around the globe. Red dots mark places on the coast where oxygen has plummeted to 2 milligrams per liter or less, and blue areas mark zones with the same low-oxygen levels in the open ocean.

Credit

(Credit: GO2NE working group. Data from World Ocean Atlas 2013 and provided by R. J. Diaz)

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