Articles | Volume 22, issue 20
https://doi.org/10.5194/bg-22-6057-2025
https://doi.org/10.5194/bg-22-6057-2025
Ideas and perspectives
 | 
24 Oct 2025
Ideas and perspectives |  | 24 Oct 2025

Ideas and Perspectives: Potentially large but highly uncertain carbon dioxide emissions resulting from peat erosion

Thomas C. Parker, Chris Evans, Martin G. Evans, Miriam Glendell, Richard Grayson, Joseph Holden, Changjia Li, Pengfei Li, and Rebekka R. E. Artz

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Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2025-837,https://doi.org/10.5194/essd-2025-837, 2026
Preprint under review for ESSD
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Cited articles

Adamczyk, B., Sietio, O. M., Strakova, P., Prommer, J., Wild, B., Hagner, M., Pihlatie, M., Fritze, H., Richter, A., and Heinonsalo, J.: Plant roots increase both decomposition and stable organic matter formation in boreal forest soil, Nat. Commun., 10, 3982, https://doi.org/10.1038/s41467-019-11993-1, 2019. 
Alderson, D. M., Evans, M. G., Rothwell, J. J., Rhodes, E. J., and Boult, S.: Geomorphological controls on fluvial carbon storage in headwater peatlands, Earth Surface Processes and Landforms, 44, 1675–1693, https://doi.org/10.1002/esp.4602, 2019. 
Alderson, D. M., Evans, M. G., Garnett, M. H., and Worrall, F.: Aged carbon mineralisation from headwater peatland floodplains in the Peak District, UK, Geomorphology, 461, 109271, https://doi.org/10.1016/j.geomorph.2024.109271, 2024. 
Artz, R. R. E., Chapman, S. J., Jean Robertson, A. H., Potts, J. M., Laggoun-Défarge, F., Gogo, S., Comont, L., Disnar, J.-R., and Francez, A.-J.: FTIR spectroscopy can be used as a screening tool for organic matter quality in regenerating cutover peatlands, Soil Biology and Biochemistry, 40, 515–527, https://doi.org/10.1016/j.soilbio.2007.09.019, 2008. 
Artz, R. R. E., Coyle, M., Donaldson-Selby, G., and Morrison, R.: Net carbon dioxide emissions from an eroding Atlantic blanket bog, Biogeochemistry, 159, 233–250, https://doi.org/10.1007/s10533-022-00923-x, 2022. 
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Short summary
Many peatlands around the world are eroding and causing carbon losses to the atmosphere and to freshwater systems. To accurately report emissions from peatlands we need to understand how much of the eroded peat is converted to CO2 once exposed to the atmosphere. We need more direct measurements of this process and a better understanding of the environmental conditions that peat is exposed to after it erodes. This information will help quantify the emissions savings from peatland restoration.
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