Articles | Volume 17, issue 6
https://doi.org/10.5194/bg-17-1393-2020
https://doi.org/10.5194/bg-17-1393-2020
Research article
 | 
20 Mar 2020
Research article |  | 20 Mar 2020

DRIFTS band areas as measured pool size proxy to reduce parameter uncertainty in soil organic matter models

Moritz Laub, Michael Scott Demyan, Yvonne Funkuin Nkwain, Sergey Blagodatsky, Thomas Kätterer, Hans-Peter Piepho, and Georg Cadisch

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Cited articles

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Ali, R. S., Ingwersen, J., Demyan, M. S., Funkuin, Y. N., Wizemann, H.-D., Kandeler, E., and Poll, C.: Modelling in situ activities of enzymes as a tool to explain seasonal variation of soil respiration from agro-ecosystems, Soil Biol. Biochem., 81, 291–303, https://doi.org/10.1016/j.soilbio.2014.12.001, 2015. 
Ali, R. S., Kandeler, E., Marhan, S., Demyan, M. S., Ingwersen, J., Mirzaeitalarposhti, R., Rasche, F., Cadisch, G., and Poll, C.: Controls on microbially regulated soil organic carbon decomposition at the regional scale, Soil Biol. Biochem., 118, 59–68, https://doi.org/10.1016/j.soilbio.2017.12.007, 2018. 
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Loss of soil carbon to the atmosphere represents a global challenge. We tested an innovative way to reduce the high uncertainty related to turnover of carbon stored in soils. With the use of infrared spectra of soils from model bare fallow systems, we were able to better assess the current state of soil carbon and predict its behavior in overdecadal time spans. In agreement with recent studies, carbon turnover seems faster than earlier assumed, with potential for high loss under mismanagement.
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