Oceans are running out of oxygen ... and quickly
12 May 2017

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The systematic study of the oceans began only relatively recently | Emrys Roberts |
By TIM RADFORD | US scientists who have been warning that warmer oceans are more likely to be poorer in dissolved oxygen have now sounded the alarm: ocean oxygen levels are indeed falling, and seemingly falling faster than the corresponding rise in water temperature.
That colder water can hold more dissolved gas than warmer water is a commonplace of physics: it is one reason why polar seas are teeming with marine life and tropical oceans are blue, clear and often relatively impoverished.
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