Image of the water column depth on the vertical axis and the amount of oxygen on the horizontal axis. Extreme low concentrations (Oxygen Minimum Zone) can be seen at 750 m.
O₂ Saturation
Image courtesy of Eric Collins, University of Alaska Fairbanks. Download image (jpg, 77 KB).

Image of the water column depth on the vertical axis and the amount of oxygen on the horizontal axis. Extreme low concentrations of oxygen (Oxygen Minimum Zone) can be seen at 750 meters (2,460 feet).

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