Articles | Volume 18, issue 13
https://doi.org/10.5194/bg-18-4039-2021
https://doi.org/10.5194/bg-18-4039-2021
Research article
 | 
06 Jul 2021
Research article |  | 06 Jul 2021

High-resolution induced polarization imaging of biogeochemical carbon turnover hotspots in a peatland

Timea Katona, Benjamin Silas Gilfedder, Sven Frei, Matthias Bücker, and Adrian Flores-Orozco

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Cited articles

Abdel Aal, G. Z. and Atekwana, E. A.: Spectral induced polarization (SIP) response of biodegraded oil in porous media, Geophys. J. Int., 196, 804–817, https://doi.org/10.1093/gji/ggt416, 2014. 
Abdel Aal, G. Z., Atekwana, E. A., Rossbach, S., and Werkema, D. D.: Sensitivity of geoelectrical measurements to the presence of bacteria in porous media, J. Geophys. Res.-Biogeo., 115, G03017, https://doi.org/10.1029/2009jg001279, 2010a. 
Abdel Aal, Gamal, Z., Estella, A., and Eliot, A.: Effect of bioclogging in porous media on complex conductivity signatures, J. Geophys. Res.-Biogeo., 115, G00G07, https://doi.org/10.1029/2009jg001159, 2010b. 
Abdel Aal, G. Z., Atekwana, E. A., and Revil, A.: Geophysical signatures of disseminated iron minerals: A proxy for understanding subsurface biophysicochemical processes, J. Geophys. Res.-Biogeo., 119, 1831–1849, https://doi.org/10.1002/2014jg002659, 2014. 
Abdulsamad, F., Revil, A., Ghorbani, A., Toy, V., Kirilova, M., Coperey, A., Duvillard, P., Ménard, G., and Ravanel, L.: Complex conductivity of graphitic schists and sandstones, J. Geophys. Res.-Sol. Ea., 124, 8223–8249, https://doi.org/10.1029/2019JB017628, 2019. 
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Short summary
We used electrical geophysical methods to map variations in the rates of microbial activity within a wetland. Our results show that the highest electrical conductive and capacitive properties relate to the highest concentrations of phosphates, carbon, and iron; thus, we can use them to characterize the geometry of the biogeochemically active areas or hotspots.
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