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Biogeosciences An interactive open-access journal of the European Geosciences Union
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BG | Volume 16, issue 3
Biogeosciences, 16, 831–846, 2019
https://doi.org/10.5194/bg-16-831-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: The 10th International Carbon Dioxide Conference (ICDC10)...

Biogeosciences, 16, 831–846, 2019
https://doi.org/10.5194/bg-16-831-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 14 Feb 2019

Research article | 14 Feb 2019

Towards a more complete quantification of the global carbon cycle

Miko U. F. Kirschbaum et al.
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Towards a more complete quantification of the global carbon cycle M. U. F. Kirschbaum, G. Zeng, F. Ximenes, D. L. Giltrap, and J. R. Zeldis https://doi.org/10.5281/zenodo.2556996

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Globally, C is added to the atmosphere from fossil fuels and deforestation, balanced by ocean uptake and atmospheric increase. The difference (residual sink) is equated to plant uptake. But this omits cement carbonation; transport to oceans by dust; riverine organic C and volatile organics; and increased C in plastic, bitumen, wood, landfills, and lakes. Their inclusion reduces the residual sink from 3.6 to 2.1 GtC yr-1 and thus the inferred ability of the biosphere to alter human C emissions.
Globally, C is added to the atmosphere from fossil fuels and deforestation, balanced by ocean...
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