Chinese First Deep Ice-Core Drilling Project DK-1 at Dome A, Antarctica (2011-2013): Progress and performance

  • Nan Zhang
  • , Chunlei An
  • , Xiaopeng Fan
  • , Guitao Shi
  • , Chuanjin Li
  • , Jingfeng Liu
  • , Zhengyi Hu
  • , Pavel Talalay
  • , Youhong Sun
  • , Yuansheng Li

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

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 100m 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 131.24m was reached. Drilling to the bedrock at the target depth of ∼3100m 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.

Original languageEnglish
Pages (from-to)88-98
Number of pages11
JournalAnnals of Glaciology
Volume55
Issue number68
DOIs
StatePublished - 1 Dec 2014
Externally publishedYes

Keywords

  • Ice coring
  • Ice engineering

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