Date of Original Version
Our understanding of the slow, deep carbon cycle, key to Earth’s habitability is examined here. Because the carbon cycle links Earth’s reservoirs on nano- to mega-scales, we must integrate geological, physical, chemical, biological, and mathematical methods to understand objects and processes so small and yet so vast. Here, we profile current research in the physical chemistry of carbon in natural and model systems, processes ongoing in the deepest portions of planets, and observations of carbon utilization by the deep biosphere. The relationships between the carbon cycle and planetary habitability are undeniable, forming a conceptual anchor to all work in deep carbon science.
Cardace D, Bower DJ, Daniel I, Ionescu A, Mikhail S, Pistone M and Zahirovic S (2020) Editorial: Deep Carbon Science. Front. Earth Sci. 8:611295. doi: 10.3389/feart.2020.611295
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