High sensitivity of the continental-weathering carbon dioxide sink to future climate change

E. Beaulieu, Y. Goddéris (), Y. Donnadieu, D. Labat and C. Roelandt
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E. Beaulieu: Géoscience Environnement Toulouse (GET), CNRS-Université de Toulouse III
Y. Goddéris: Géoscience Environnement Toulouse (GET), CNRS-Université de Toulouse III
Y. Donnadieu: Laboratoire des Sciences du Climat et de l’Environnement, CEA-Orme des Merisiers
D. Labat: Géoscience Environnement Toulouse (GET), CNRS-Université de Toulouse III
C. Roelandt: Geophysical Institute, University of Bergen

Nature Climate Change, 2012, vol. 2, issue 5, 346-349

Abstract: This modelling study shows that chemical weathering of continental surfaces—which removes carbon dioxide from the atmosphere—is highly sensitive to a carbon dioxide doubling for the Mackenzie River Basin, the most important Arctic watershed. The findings highlight the potential role of chemical weathering processes in mitigating global warming.

Date: 2012
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DOI: 10.1038/nclimate1419

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