At Eielson Air Force Base, military engineers must contend with a problem lurking beneath the ground: permafrost thaw. At Eielson Air Force Base, military engineers must contend with a problem lurking ...

When permafrost thaws, water can flow more quickly through the ground, creating a complex subsurface flow system. Researchers at the Barrow Environmental Observatory in Alaska gained insight into this ...

“Our climate trajectory is likely going to make talik formation an important driver of permafrost degradation in the discontinuous permafrost zone and eventually, as temperatures continue to warm, in ...

When I was a girl of 5, my father left me alone on the summit of a mountain in the Alps while he fetched my mother and infant brother from the trailhead below. All around me was ice, snow and sky. The ...

The frozen soil in Alaska known as permafrost is gradually thawing in many areas because the Arctic region is “warming at a pace three to four times faster than the rest of Earth,” said Bob Bolton, ...

Permafrost thaw lakes occur in high abundance across the subarctic landscape but little is known about their limnological dynamics. This study was undertaken to evaluate the hourly, seasonal, and ...

More areas of year-round unfrozen ground have begun dotting Interior and Northwest Alaska and will continue to increase in extent due to climate change, according to new research. More areas of ...