While Europe has been hard hit by global warming (floods, forest fires), with temperatures still abnormally high for October, the phenomenon is also being observed in Alaska, where 3 researchers from UCLouvain are currently pursuing their research on permafrost (or permafrost) during the summer-winter transition.
Permafrost on the wane
In permafrost zones, the surface layer of the ground thaws seasonally in summer and refreezes in winter. But with temperatures rising 4X faster in the Arctic than on a global scale, ground thawing is deeper in summer, and winter temperatures no longer allow the entire surface layer to refreeze in winter. ...