Earth’s magnetosphere controls ionospheric total electron content modulation via plasma wave-induced electron loss impacting GPS spatial location determination.
Alaska
Posted inNews
Alaska’s Mount Veniaminof Volcano Is Stealthy—Here’s Why
New research explains why Mount Veniaminof erupts without the usual warming signs.
Posted inNews
Arctic Beavers Advance North and Accelerate Permafrost Thaw
As beavers build dams in new areas, they impound water, warming permafrost adjacent to their ponds.
Posted inEditors' Highlights
The Delicate Balance of Permafrost in Arctic River Floodplains
To evaluate the vulnerability of permafrost in Arctic floodplain landscapes to warming, scientists explore dynamics of its loss and reformation.
Posted inScience Updates
Simulating Arctic Carbon Emissions in a Warming World
Not all climate models include carbon from thawing permafrost, and those that do often disagree. Scientists are working to better inform models and assess how these crucial materials are simulated.
Posted inThe Landslide Blog
The 7 August 2024 Pedersen Lagoon landslide and tsunami
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. At about 5 am local time on 7 August 2024, a large landslide occurred on the rock slopes above Pedersen Lagoon in Alaska, triggering a local tsunami. Whilst this major event is […]
Posted inNews
Cloud Brightening Could Have Unintended Effects in a Warming World
New research shows that though marine cloud brightening holds potential to temporarily reduce heat stress regionally, the technique has unpredictable and far-reaching outcomes.
Posted inNews
More than a Third of Coastal Alaska Structures May Be at Risk of Flooding by 2100
A new analysis of flood exposure shows many residential buildings at risk as sea levels rise.
Posted inEditors' Highlights
Repeated Coseismic Uplift Above the Patton Bay Splay Fault, Alaska
Stratigraphic and diatom analyses suggest ruptures of the Patton Bay splay fault occurred together with half of the documented great Alaskan megathrust earthquakes during the past 4,200 years.
Posted inResearch Spotlights
A Million Years Without a Megaslide
A new study goes deep into the Gulf of Alaska to examine the sixth-largest underwater landslide and investigate why a similar event hasn’t happened since.