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The Berkner Island (Antarctica) ice-core drilling project
Authors: Mulvaney R, Alemany O and Possenti P
Year: 2007
Keywords: brittle ice
Periodical/Journal: Annals of Glaciology
Volume: 47
Number: 1
Page Range: 115-124
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.
DOI: 10.3189/172756407786857758
URL: View document