Water masses in the Atlantic Ocean: water mass ages and ventilation

Дата публикации: 27-08-2026 00:00:00

We measured the age of Atlantic waters using man-made gases and a radioactive isotope. Age increases with depth: young surface waters are about 30 years old, deep Antarctic water reaches 100 years, and the oldest bottom water is roughly 120 years. The western Atlantic is younger and better ventilated than the east. These patterns help estimate deep-sea oxygen use and are key for climate models and marine ecosystems.

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