Articles | Volume 16, issue 1
https://doi.org/10.5194/essd-16-421-2024
https://doi.org/10.5194/essd-16-421-2024
Data description paper
 | 
19 Jan 2024
Data description paper |  | 19 Jan 2024

A novel sea surface pCO2-product for the global coastal ocean resolving trends over 1982–2020

Alizée Roobaert, Pierre Regnier, Peter Landschützer, and Goulven G. Laruelle

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The quantification of the coastal air–sea CO2 exchange (FCO2) has improved in recent years, but its multiannual variability remains unclear. This study, based on interpolated observations, reconstructs the longest global time series of coastal FCO2 (1982–2020). Results show the coastal ocean acts as a CO2 sink, with increasing intensity over time. This new coastal FCO2-product allows establishing regional carbon budgets and provides new constraints for closing the global carbon cycle.
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