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The Berkner Island (Antarctica) ice-core drilling project

Abstract : We describe a project to retrieve a 948 m deep ice core from Berkner Island, Antarctica. Using relatively lightweight logistics and a small team, the drilling operation over three austral summer seasons used electromechanical drilling technology, described in detail, from a covered shallow pit and a fluid-filled borehole. A basal temperature well below pressure-melting point meant that no drilling problems were encountered when approaching the bed and the borehole penetrated through to the base of the ice sheet, and sediment was retrieved from beneath the ice.
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Submitted on : Tuesday, April 21, 2009 - 11:01:37 AM
Last modification on : Thursday, November 19, 2020 - 3:54:26 PM

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Robert Mulvaney, Olivier Alemany, Philippe Possenti. The Berkner Island (Antarctica) ice-core drilling project. Annals of Glaciology, International Glaciological Society, 2007, 47 (1), pp.115 à 124. ⟨10.3189/172756407786857758⟩. ⟨insu-00377200⟩



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