Articles | Volume 17, issue 24
https://doi.org/10.5194/bg-17-6457-2020
https://doi.org/10.5194/bg-17-6457-2020
Research article
 | 
22 Dec 2020
Research article |  | 22 Dec 2020

Vertical mobility of pyrogenic organic matter in soils: a column experiment

Marcus Schiedung, Severin-Luca Bellè, Gabriel Sigmund, Karsten Kalbitz, and Samuel Abiven

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Latest update: 28 Feb 2024
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Short summary
The mobility of pyrogenic organic matter (PyOM) in soils is largely unknow, while it is a major and persistent component of the soil organic matter. With a soil column experiment, we identified that only a small proportion of PyOM can migrate through the soil, but its export is continuous. Aging and associated oxidation increase its mobility but also its retention in soils. Further, PyOM can alter the vertical mobility of native soil organic carbon during its downward migration.
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