Why is an ocean current critical to world weather losing steam? Scientists search the Arctic for answers.

National Geographic | Dec 2, 2019 at 6:39 PM
  • Summer sea ice has been shrinking so dramatically here in the Fram Strait, high in the Arctic between Norway and Greenland, that researchers who make this trip annually point out missing patches like memories of departed friends.
  • An enfeebled AMOC could trigger a host of changes, including floods, increased sea level rise, and disturbed weather systems.
  • De Steur’s moorings find temperatures in the polar water flowing into the Fram Strait have climbed nearly 1 degree F over the past 17 years, while the Atlantic water has warmed nearly half a degree.