Global Charcoal Mobilization from Soils via Dissolution and Riverine Transport to the Oceans
Rudolf Jaffé(Florida International University), Yan Ding(Florida International University), Jutta Niggemann(Carl von Ossietzky Universität Oldenburg), Anssi V. Vähätalo(University of Helsinki), Aron Stubbins(Skidaway Institute of Oceanography), Robert G. M. Spencer(Woodwell Climate Research Center), John Campbell(Northern Research Station), Thorsten Dittmar(Carl von Ossietzky Universität Oldenburg)
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Abstract
Dissolving Charcoal Biomass burning produces 40 to 250 million tons of charcoal per year worldwide. Much of this is preserved in soils and sediments for thousands of years. However, the estimated production rate of charcoal is significantly larger than that of decomposition, and Jaffe et al. (p. 345 ; see the Perspective by Masiello and Louchouarn ) calculate that a large fraction of the charcoal produced by fires is lost from the land through dissolution and transport to the oceans.
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