Articles | Volume 20, issue 20
https://doi.org/10.5194/bg-20-4221-2023
https://doi.org/10.5194/bg-20-4221-2023
Research article
 | 
16 Oct 2023
Research article |  | 16 Oct 2023

Optical and radar Earth observation data for upscaling methane emissions linked to permafrost degradation in sub-Arctic peatlands in northern Sweden

Sofie Sjögersten, Martha Ledger, Matthias Siewert, Betsabé de la Barreda-Bautista, Andrew Sowter, David Gee, Giles Foody, and Doreen S. Boyd

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Cited articles

Åkerman, H. J. and Johansson, M.: Thawing permafrost and thicker active layers in sub-arctic Sweden, Permafrost Periglac., 19, 279–292, https://doi.org/10.1002/ppp.626, 2008. 
Alshammari, L., Large, D. J., Boyd, D. S., Sowter, A., Anderson, R., Andersen, R., and Marsh, S.: Long-term peatland condition assessment via surface motion monitoring using the ISBAS DInSAR technique over the Flow Country, Scotland, Remote Sens., 10, 1103, https://doi.org/10.3390/rs10071103, 2018. 
Backe, S.: Kartering av Sveriges palsmyrar, Länsstyrelsen i Norrbottens län., 2014. 
Ballantyne, C. K.: Periglacial Geomorphology, John Wiley and Sons, https://doi.org/10.1111/nzg.12203, 2018. 
Bernhardt, E. S., Blaszczak, J. R., Ficken, C. D., Fork, M. L., Kaiser, K. E., and Seybold, E. C.: Control points in ecosystems: Moving beyond the hot spot hot moment concept, Ecosystems, 20, 665–682, https://doi.org/10.1007/s10021-016-0103-y, 2017. 
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Short summary
Permafrost thaw in Arctic regions is increasing methane emissions, but quantification is difficult given the large and remote areas impacted. We show that UAV data together with satellite data can be used to extrapolate emissions across the wider landscape as well as detect areas at risk of higher emissions. A transition of currently degrading areas to fen type vegetation can increase emission by several orders of magnitude, highlighting the importance of quantifying areas at risk.
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