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Temperature distribution within a mountain range containing permafrost
Note: Permafrost is present in the blue area bordered by a black line.
Temperature measured in different boreholes in mountain permafrost in Switzerland 1987-2007
Note: Measured at ca
Observed permafrost temperatures from selected boreholes in European mountains
The figure shows trends in observed permafrost temperatures from 10 m (left) and 20 m (right) depth for selected boreholes in European mountains: the sites include the PACE transect and two additional sites in the Swiss Alps(and two in Norway (Dovrefjell and Iskoras).
Permafrost and tree line
Permafrost in the Northern hemisphere
The Arctic region is undergoing change; a rapid change compared to other parts of the globe. The change is primarily driven by climate change and the effects on the cryosphere are substantial both at a local, national and regional scale. The effects even have potential serious consequences at a global scale due to the important role the Arctic plays in the global climate system. The region is set to undergo further changes in the decades to come, and it is important for Europe to understand these changes and to be aware how Europe are contributing as well as effected by these changes as the European environment and weather is intrinsically linked to the Arctic.
Probability of complete loss of northern Fennoscandian areas suitable for palsas
The figure shows the probability of complete loss of northern Fennoscandian areas suitable for palsas during the 21st century estimated using a probabilistic projection of climate change for the SRES A1B scenario
Comparison of maximum active layer depth from different boreholes in the Swiss Alps and Norway (including Svalbard)
The figure shows the comparison of the active layer thickness from boreholes in the Swiss Alps and Norway (including Svalbard). Data for the Swiss sites are provided by the Swiss Permafrost Monitoring Network (PERMOS), data for the Norwegian sites by the Norwegian Meteorological Institute.