Journal
ANNALS OF GLACIOLOGY
Volume 62, Issue 84, Pages 118-130Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/aog.2020.80
Keywords
Glaciological instruments and methods; ice and climate; ice core; ice coring; ice engineering
Funding
- US NSF [1142517, 1141839, 1142646]
- Directorate For Geosciences
- Office of Polar Programs (OPP) [1141839] Funding Source: National Science Foundation
- Office of Polar Programs (OPP)
- Directorate For Geosciences [1142646] Funding Source: National Science Foundation
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The South Pole ice core, drilled using the US Intermediate Depth Drill, is the highest-resolution interior East Antarctic ice core that extends into the glacial period and shows minimal brittle ice.
An intermediate-depth (1751 m) ice core was drilled at the South Pole between 2014 and 2016 using the newly designed US Intermediate Depth Drill. The South Pole ice core is the highest-resolution interior East Antarctic ice core record that extends into the glacial period. The methods used at the South Pole to handle and log the drilled ice, the procedures used to safely retrograde the ice back to the National Science Foundation Ice Core Facility (NSF-ICF), and the methods used to process and sample the ice at the NSF-ICF are described. The South Pole ice core exhibited minimal brittle ice, which was likely due to site characteristics and, to a lesser extent, to drill technology and core handling procedures.
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