Articles | Volume 13, issue 8
https://doi.org/10.5194/bg-13-2221-2016
https://doi.org/10.5194/bg-13-2221-2016
Research article
 | 
18 Apr 2016
Research article |  | 18 Apr 2016

A new mechanistic framework to predict OCS fluxes from soils

Jérôme Ogée, Joana Sauze, Jürgen Kesselmeier, Bernard Genty, Heidi Van Diest, Thomas Launois, and Lisa Wingate

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Revised manuscript not accepted
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Cited articles

Berry, J. A., Wolf, A., Campbell, J. E., Baker, I., Blake, N., Blake, D., Denning, A. S., Kawa, S. R., Montzka, S. A., Seibt, U., Stimler, K., Yakir, D., and Zhu, Z.: A coupled model of the global cycles of carbonyl sulfide and CO2: A possible new window on the carbon cycle, J. Geophys. Res.-Biogeo., 118, 842–852, https://doi.org/10.1002/jgrg.20068, 2013.
Bird, R. B., Stewart, W. E., and Lightfoot, E. N.: Transport phenomena, John Wiley & Sons, New York, 2002.
Bjorkbacka, H., Johansson, I.-M., and Forsman, C.: Possible Roles for His 208 in the Active-Site Region of Chloroplast Carbonic Anhydrase from Pisum sativum, Arch. Biochem. Biophys., 361, 17–24, 1999.
Blezinger, S., Wilhelm, C., and Kesselmeier, J.: Enzymatic consumption of carbonyl sulfide (COS) by marine algae, Biogeochemistry, 48, 185–197, 2000.
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Short summary
Estimates of photosynthesis and respiration at large scales are needed to improve our predictions of the global CO2 cycle. Carbonyl sulfide (OCS) has been proposed as a new tracer of photosynthesis, as it was shown that the uptake of OCS from leaves is nearly proportional to photosynthesis. But soils also exchange OCS with the atmosphere. Here we propose a mechanistic model of this exchange and show, using this new model, how we are able to explain several observed features of soil OCS fluxes.
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