Organic carbon in the top metre of Earth’s soils is far older than previously thought, averaging 4,800 years old. These radiocarbon-derived age estimates require us to recalibrate our expectations of ecosystem gains and losses of carbon.
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Sharon A. Billings
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Billings, S.A., de Souza, L.F.T. Earth’s soil harbours ancient carbon. Nat. Geosci. 13, 527–528 (2020). https://doi.org/10.1038/s41561-020-0614-1
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DOI: https://doi.org/10.1038/s41561-020-0614-1
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