Volcanic versus anthropogenic carbon dioxide¶
Gerlach. (2011). Volcanic versus anthropogenic carbon dioxide.
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Domain-specific¶
- Biogeochemical Cycling
- Fourth, anthropogenic fluxes in some cycles now exceed natural fluxes by large factors: current fossil-fuel combustion delivers carbon to the atmosphere at roughly a hundred times the natural volcanic flux — Gerlach's comparison puts global volcanic emissions near 0.26 gigatonnes of CO₂ a year against roughly 35 gigatonnes of CO₂ from human activity — saturating some sinks and accumulating in others in ways the pre-industrial cycle did not experience
This sourceWhat follows about sink saturation is not from this source.
- Fourth, anthropogenic fluxes in some cycles now exceed natural fluxes by large factors: current fossil-fuel combustion delivers carbon to the atmosphere at roughly a hundred times the natural volcanic flux — Gerlach's comparison puts global volcanic emissions near 0.26 gigatonnes of CO₂ a year against roughly 35 gigatonnes of CO₂ from human activity — saturating some sinks and accumulating in others in ways the pre-industrial cycle did not experience
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