Articles | Volume 17, issue 7
https://doi.org/10.5194/essd-17-3583-2025
https://doi.org/10.5194/essd-17-3583-2025
Data description paper
 | 
30 Jul 2025
Data description paper |  | 30 Jul 2025

Exploring the CO2 fugacity along the east coast of South America aboard the schooner Tara

Léa Olivier, Jacqueline Boutin, Gilles Reverdin, Christopher Hunt, Thomas Linkowski, Alison Chase, Nils Haentjens, Pedro C. Junger, Stéphane Pesant, and Douglas Vandemark

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Cited articles

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Short summary
The air–sea CO2 flux in coastal waters plays a key role in the global carbon budget but remains poorly understood. In 2021, the Tara schooner collected 14 000 km of CO2 fugacity (fCO2) data along the South American coast. This dataset improves our understanding of fCO2 in the under-sampled Brazilian coastal region and provides a unique insight into the complex biogeochemistry of the Amazon River–ocean continuum.
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