Articles | Volume 17, issue 18
Biogeosciences, 17, 4633–4662, 2020
https://doi.org/10.5194/bg-17-4633-2020
Biogeosciences, 17, 4633–4662, 2020
https://doi.org/10.5194/bg-17-4633-2020

Research article 25 Sep 2020

Research article | 25 Sep 2020

Increase in ocean acidity variability and extremes under increasing atmospheric CO2

Friedrich A. Burger et al.

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Ensemble simulations of an Earth system model reveal that ocean acidity extremes have increased in the past few decades and are projected to increase further in terms of frequency, intensity, duration, and volume extent. The increase is not only caused by the long-term ocean acidification due to the uptake of anthropogenic CO2, but also due to changes in short-term variability. The increase in ocean acidity extremes may enhance the risk of detrimental impacts on marine organisms.
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