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ARCTIC BIOGEOCHEMISTRY

No blast from the past

Thawing of Arctic soils liberates ancient organic carbon and can facilitate massive greenhouse gas emissions from adjacent aquatic ecosystems. Research now shows that Arctic lakes are generally not releasing very much ancient carbon to the atmosphere.

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Acknowledgements

We thank R. Vogt for providing comments on the draft of this manuscript. This work was made possible by financial support to D.E.B. from the University of Washington and the National Aeronautics and Space Administration (NASA ABoVE Project 14-TE14-0012), and to M.J.B. from the Fonds de récherche du Québec — Nature et technologies (FRQNT) postdoctoral program.

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Correspondence to Matthew J. Bogard.

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Fig. 1: Schematic summarizing Arctic lake carbon (C) cycling patterns in northern Alaska.