Articles | Volume 17, issue 12
https://doi.org/10.5194/bg-17-3183-2020
https://doi.org/10.5194/bg-17-3183-2020
Research article
 | 
24 Jun 2020
Research article |  | 24 Jun 2020

Assessing branched tetraether lipids as tracers of soil organic carbon transport through the Carminowe Creek catchment (southwest England)

Jingjing Guo, Miriam Glendell, Jeroen Meersmans, Frédérique Kirkels, Jack J. Middelburg, and Francien Peterse

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Cited articles

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Bianchi, T. S., Filley, T., Dria, K., and Hatcher, P. G.: Temporal variability in sources of dissolved organic carbon in the lower Mississippi River, Geochim. Cosmochim. Ac., 68, 959–967, https://doi.org/10.1016/j.gca.2003.07.011, 2004. 
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The fluxes of soil organic carbon (OC) transport from land to sea are poorly constrained, mostly due to the lack of a specific tracer for soil OC. Here we evaluate the use of specific molecules derived from soil bacteria as a tracer for soil OC in a small river catchment. We find that the initial soil signal is lost upon entering the aquatic environment. However, the local environmental history of the catchment is reflected by these molecules in the lake sediments that act as their sink.
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