Person

Andrew Sweetman

Deep-sea ecologist at the Scottish Association for Marine Science who led the 2024 Nature Geoscience study proposing dark oxygen production at the abyssal seafloor.

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Theories & Explanations

Dark Oxygen Hypothesis
Andrew Sweetman claims to hold Dark Oxygen Hypothesis.

Organisations & Programmes

Scottish Association for Marine Science
Andrew Sweetman was a member of Scottish Association for Marine Science.

Explored on these pages

Is the Deep Sea Making Its Own Oxygen? The "Dark Oxygen" Controversy

A 2024 study claimed deep-sea nodules make oxygen without sunlight. What the "dark oxygen" evidence shows, and why scientists still dispute it.