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From Greenhouse to Icehouse

An Expedition 318 scientist observes an iceberg.

An Expedition 318 scientist observes an iceberg. Credit: John Beck, IODP-USIO

By Kevin Welsh

An ambitious drilling expedition off the coast of East Antarctica is looking for evidence linking declining carbon dioxide levels with the glaciation of subtropical Antarctica 34 million years ago.

Kevin Welsh is an associate lecturer at the University of Queensland’s School of Earth Sciences. He would like to thank the expedition Co-chiefs Carlota Escutia (Universidad de Granada), Henk Brinkhuis (Utrecht University), Rob Dunbar (Stanford University), Staff Scientist Adam Klaus (Texas A&M University) and the EXP318 Scientists. The initial results of the expedition are now published on the IODP website (http://www.publications.iodp.org/preliminary_report/318/).

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