Thwaites-Amundsen Regional Survey and Network Integrating Atmosphere-Ice-Ocean Processes (TARSAN)

TARSAN is a ship-based project studying how atmospheric and oceanic processes are influencing the behavior of the Thwaites and Dotson Ice Shelves – neighboring ice shelves which are behaving differently. This research will help identify how variations in atmospheric or oceanic conditions may influence the behavior and stability of ice shelves in the region.


Principal Investigators

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Related News

For the first time, researchers have collected data from underneath the remote Thwaites Glacier in West Antarctica using an underwater robot. Findings reveal that the supply of warm water to the glacier is larger than previously thought, triggering concerns of faster melting and accelerating ice flow. The findings are published this week (10 April 2021) in the journal Science Advances.
The sheer scale of the glacier captivated Ted Scambos as he looked on from his plane window, thousands of feet above the ice. The widest glacier in the world, the frozen white Antarctic landscape of Thwaites seemed to stretch on forever—an area as large as Florida, and a mile or more thick.

Seven undergraduate engineering students at the University of Colorado Boulder spent a year working as part of the Thwaites-Amundsen Regional Survey and Network (TARSAN) project team for the International Thwaites Glacier Collaboration (

A team of over 20 polar scientists from the UK, US and Sweden set sail this week (29 January) on the first ship-based research expedition to Thwaites Glacier in West Antarctica as part of the International Thwaites Glacier Collaboration.