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Ocean biogeochemistry

Carbon at the coastal interface

The extent to which coastal-ocean regions act as a sink for carbon dioxide has been enigmatic. An estimate based on more than 3 million observations suggests a smaller sink than was thought, concentrated at high latitudes.

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Figure 1: Global map of air–sea CO2 fluxes.

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Correspondence to Nicolas Gruber.

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Gruber, N. Carbon at the coastal interface. Nature 517, 148–149 (2015). https://doi.org/10.1038/nature14082

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