Global Charcoal Mobilization from Soils via Dissolution and Riverine Transport to the Oceans

Author:

Jaffé Rudolf1,Ding Yan1,Niggemann Jutta2,Vähätalo Anssi V.34,Stubbins Aron5,Spencer Robert G. M.6,Campbell John7,Dittmar Thorsten2

Affiliation:

1. Southeast Environmental Research Center (SERC), and Department of Chemistry and Biochemistry, Florida International University (FIU), Miami, FL 33199, USA.

2. Max Planck Research Group for Marine Geochemistry, Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, 29129 Oldenburg, Germany.

3. Department of Environmental Science, University of Helsinki, 00014 Helsinki, Finland.

4. Department of Biological and Environmental Sciences, University of Jyväskylä, 40500 Jyväskylä, Finland.

5. Skidaway Institute of Oceanography, 10 Ocean Science Circle, Savannah, GA 31411, USA.

6. Woods Hole Research Center, 149 Woods Hole Road, Falmouth, MA 02540, USA.

7. U.S. Department of Agriculture, Forest Service, Northern Research Station, Durham, NH 03824, USA.

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.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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