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May 25, 2021 32 min

Ancient Ice

from A Voyage to Antarctica

Alok Jha talks to Dr Kelly Hogan, a Marine Geophysicist at the British Antarctic Survey to find out what studying the remains of ancient ice sheets in Antarctica can tell us about climate change and the future of the planet. Kelly works on research vessels around Antarctica, looking for clues about how ancient ice sheets flowed and eventually receded back towards land but also what caused the ice to shrink. In addition to more than 10 trips to the Arctic, Kelly has been on 5 research cruises to Antarctica. Her most recent trips have been to study Thwaites Glacier. New research has revealed huge channels underneath the glacier, which funnel in warm ocean water towards it, and could speed up the melting of the glacier.

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Ancient Ice

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This episode was published on May 25, 2021.

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