The Arctic is warming up, but instead of large rivers migrating faster, they’re actually slowing down because of shrubification.
permafrost
What We Know and Don’t Know About Climate Tipping Elements
As climate change continues, parts of the Earth system such as ice sheets, frozen soils, or the Amazon rainforest could shift—some quickly, some slowly—after crossing key thresholds or tipping points.
A 1952 Landslide Hints at Early Permafrost Thaw in the Arctic
Scientists took a deeper look at a 70-year-old slide and found that climate change likely set the stage for the disaster.
Artificial Lake-Level Lowering Alleviates Floods in the Himalayas
A new model combining future permafrost degradation and related avalanches demonstrates that artificial lake-lowering could significantly reduce the risk of glacial lake outburst floods.
The Burning Tundra
As wildfires blaze through the Arctic, scientists examine the role of landscape characteristics on wildfire ecosystem responses in northern aquatic ecosystems.
How an Unlikely Friendship Upended Permafrost Myths
“Beautifully long arguments” between an American scientist and a Russian researcher helped clarify several fundamental assumptions about permafrost thaw.
It’s Cool to be Short When You’re in the Arctic Permafrost
Extensive ground temperature measurements complicate our understanding of how vegetation cover, snow duration, and microtopography influence the pace of permafrost thaw in a changing climate.
Groundwater Flow May Contribute to Submarine Permafrost Thaw
New, detailed surveys from the Beaufort Sea reveal a seafloor depression the size of a city block associated with permafrost thaw and likely influenced by the movement of groundwater below.
Why is Permafrost Groundwater Surfacing?
Hydrogeological properties of degrading permafrost come to fruition with a new 3-D modeling study that highlights the increasing role of groundwater in the water cycle of high-latitude areas.
More Fires, More Problems
Increasing incidents of wildfires in the Arctic are not only thawing permafrost but changing the entire underlying structure of the region.