Articles | Volume 17, issue 8
https://doi.org/10.5194/tc-17-3157-2023
https://doi.org/10.5194/tc-17-3157-2023
Research article
 | 
08 Aug 2023
Research article |  | 08 Aug 2023

Environmental spaces for palsas and peat plateaus are disappearing at a circumpolar scale

Oona Leppiniemi, Olli Karjalainen, Juha Aalto, Miska Luoto, and Jan Hjort

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Cited articles

Aalto, J. and Luoto, M.: Integrating climate and local factors for geomorphological distribution models, Earth Surf. Proc. Land., 39, 1729–1740, https://doi.org/10.1002/esp.3554, 2014. 
Aalto, J., Venäläinen, A., Heikkinen, R. K., and Luoto, M.: Potential for extreme loss in high-latitude Earth surface processes due to climate change, Geophys. Res. Lett., 41, 3914–3924, https://doi.org/10.1002/2014GL060095, 2014. 
Aalto, J., Harrison, S., and Luoto, M.: Statistical modelling predicts almost complete loss of major periglacial processes in Northern Europe by 2100, Nat. Commun., 8, 1–8, https://doi.org/10.1038/s41467-017-00669-3, 2017. 
Aalto, J., Karjalainen, O., Hjort, J., and Luoto, M.: Statistical forecasting of current and future circum-Arctic ground temperatures and active layer thickness, Geophys. Res. Lett., 45, 4889–4898, https://doi.org/10.1029/2018GL078007, 2018. 
Åhman, R.: Palsar i Nordnorge: En studie av palsars morfologi, utbredning och klimatiska förutsättningar i Finnmarks och Troms fylke, Royal University of Lund, Department of Geography, 165 pp., 1977. 
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Short summary
For the first time, suitable environments for palsas and peat plateaus were modeled for the whole Northern Hemisphere. The hotspots of occurrences were in northern Europe, western Siberia, and subarctic Canada. Climate change was predicted to cause almost complete loss of the studied landforms by the late century. Our predictions filled knowledge gaps in the distribution of the landforms, and they can be utilized in estimation of the pace and impacts of the climate change over northern regions.