More bubbles means more variation in ocean carbon storage

Tuesday, July 8, 2025 - 12:07 in Earth & Climate

The ocean absorbs carbon from the atmosphere, but exactly how much is uncertain. For instance, estimates from the 2023 Global Carbon Budget ranged from 2.2 billion to 4 billion metric tons of carbon per year. One source of this uncertainty may be that the effects of bubbles have not been incorporated into air-sea carbon flux estimates, according to a new study by P. Rustogi and colleagues published in Global Biogeochemical Cycles.

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