A new map tool for monitoring pan-Arctic trends of permafrost landscape change
The Arctic Landscape EXplorer (ALEX) with change data for Point Lay on the left and a story map about thermokarst lakes. Credit: AWI
Permafrost (from "permanent" and "frost") is ground that continuously remains at or below 0° C for at least two consecutive years. Around 15% of the land surface in the Northern Hemisphere is underlain by permafrost, which often contains and preserves biomass accumulated throughout millennia and…