Articles | Volume 18, issue 11
https://doi.org/10.5194/bg-18-3409-2021
https://doi.org/10.5194/bg-18-3409-2021
Technical note
 | 
07 Jun 2021
Technical note |  | 07 Jun 2021

Technical note: Uncovering the influence of methodological variations on the extractability of iron-bound organic carbon

Ben J. Fisher, Johan C. Faust, Oliver W. Moore, Caroline L. Peacock, and Christian März

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Figure data Ben J. Fisher, Johan C. Faust, Oliver W. Moore, Caroline L. Peacock, Christian März https://doi.org/10.6084/m9.figshare.14384276

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Short summary
Organic carbon can be protected from microbial degradation in marine sediments through association with iron minerals on 1000-year timescales. Despite the importance of this carbon sink, our spatial and temporal understanding of iron-bound organic carbon interactions globally is poor. Here we show that caution must be applied when comparing quantification of iron-bound organic carbon extracted by different methods as the extraction strength and method specificity can be highly variable.
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