global overturning circulation Archives - State of the Planet

Ocean overturning circulation illustrated. Courtesy of co-author Lynne Talley.

Wind-Blown Antarctic Sea Ice Helps Drive Ocean Circulation

Antarctic sea ice is constantly on the move as powerful winds blow it away from the coast and out toward the open ocean. A new study shows how that ice migration may be more important for the global ocean circulation than anyone realized.

by |June 27, 2016

Study Tracks an Abrupt Climate Shift as Ice Age Glaciers Began to Retreat

That change would have affected the monsoons, today relied on to feed over half the world’s population, and could have helped tip the climate system over the threshold for deglaciation.

by |January 22, 2016
Deploying a CTD and LADCP to explore the ocean floor. (Photo: S. Whelan)

Exploring Rugged Hills & Turbulent Waters 4,500 Meters Down

Aboard a ship at the Mid-Atlantic Ridge, scientists are studying how the deepest and coldest waters mix with shallower waters, gaining heat in the process.

by |October 20, 2015