Articles | Volume 7, issue 4
https://doi.org/10.5194/esurf-7-1019-2019
https://doi.org/10.5194/esurf-7-1019-2019
Research article
 | 
30 Oct 2019
Research article |  | 30 Oct 2019

Permafrost distribution in steep rock slopes in Norway: measurements, statistical modelling and implications for geomorphological processes

Florence Magnin, Bernd Etzelmüller, Sebastian Westermann, Ketil Isaksen, Paula Hilger, and Reginald L. Hermanns

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Cited articles

Allen, S. K., Gruber, S., and Owens, I. F.: Exploring steep bedrock permafrost and its relationship with recent slope failures in the Southern Alps of New Zealand, Permafrost Periglac., 20, 345–356, https://doi.org/10.1002/ppp.658, 2009. 
Berthling, I. and Etzelmüller, B.: The concept of cryo-conditioning in landscape evolution, Quaternary Res., 75, 378–384, 2011. 
Blikra, L. H. and Christiansen, H. H.: A field-based model of permafrost-controlled rockslide deformation in northern Norway, Geomorphology, 208, 34–49, https://doi.org/10.1016/j.geomorph.2013.11.014, 2014. 
Boeckli, L., Brenning, A., Gruber, S., and Noetzli, J.: A statistical approach to modelling permafrost distribution in the European Alps or similar mountain ranges, The Cryosphere, 6, 125–140, https://doi.org/10.5194/tc-6-125-2012, 2012a. 
Boeckli, L., Brenning, A., Gruber, S., and Noetzli, J.: Permafrost distribution in the European Alps: calculation and evaluation of an index map and summary statistics, The Cryosphere, 6, 807–820, https://doi.org/10.5194/tc-6-807-2012, 2012b. 
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Short summary
This study proposes the first permafrost (i.e. ground with temperature permanently < 0 °C) map covering the steep rock slopes of Norway. It was created by using rock temperature data collected at the near surface of 25 rock walls spread across the country between 2010 and 2018. The map shows that permafrost mostly exists above 1300–1400 m a.s.l. in southern Norway and close to sea level in northern Norway. The results have strong potential for the study of rock wall sliding and failure.