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Chinese First Deep Ice-Core Drilling Project DK-1 at Dome A, Antarctica (2011-2013): progress and performance
Authors: Zhang N, An C, Fan X, Shi G, Li C, Liu J, Hu Z, Talalay P, Sun Y, Li Y
Year: 2014
Keywords: ice coring, ice engineering
Periodical/Journal: Annals of Glaciology
Volume: 55
Number: 68
Page Range: 88-98

The Chinese First Deep Ice-Core Drilling Project DK-1 has commenced at Kunlun station in the Dome A region, the highest plateau in Antarctica. During the first season, within the 28th Chinese National Antarctic Research Expedition (CHINARE) 2011/12 the pilot hole was drilled and reamed in order to install a 100 m deep fiberglass casing. In the next season, 29th CHINARE 2012/13, the deep ice-core drilling system was installed, and all the auxiliary equipment was connected and commissioned. After filling the hole with drilling fluid (n-butyl acetate), three runs of 'wet' ice-core drilling were carried out and a depth of 131.24 m was reached. Drilling to the bedrock at the target depth of ~3100 m is planned to be completed during a further four seasons. We describe the work in progress and the status of equipment for the Dome A drilling project.

DOI: 10.3189/2014AoG68A006
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