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Letter
Nature Geoscience 1, 312–315 (1 May 2008) | doi:10.1038/ngeo185
Close mass balance of long-term carbon fluxes from ice-core CO2 and ocean chemistry records
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Abstract
Feedbacks controlling long-term fluxes in the carbon cycle and in particular atmospheric carbon dioxide are critical in stabilizing the Earth|[rsquo]|s long-term climate. It has been hypothesized that atmospheric CO2 concentrations over millions of years are controlled by a CO2-driven weathering feedback that maintains a mass balance between the CO2 input to the atmosphere from volcanism, metamorphism and net organic matter oxidation, and its removal by silicate rock weathering and subsequent carbonate mineral burial.
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