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A new intermediate-depth ice-core drilling system
Authors: Sheldon SG, Popp TJ, Hansen SB, Hedegaard TM, Mortensen C
Year: 2014
Keywords: ice core, ice coring, ice engineering
Periodical/Journal: Annals of Glaciology
Volume: 55
Number: 68
Page Range: 271-284

Several recent projects associated with the IPICS (International Partnerships in Ice Core Sciences) 2k array have demanded the recovery of ice core to depths in excess of several hundred metres (e.g. Flade Isblink, Greenland (2006), Aurora Basin, Antarctica (2008/09), NEEM, Greenland (2011), Aurora Basin North (2013/14) and Renland ice cap, Greenland (2015)). These projects require that the overall system weight is low, that the ability to set up and operate are within the limitations of a small-camp environment and that the overall logistical and transportation costs are kept to a minimum. Using these criteria, a new drilling system capable of drilling >400 m depth was seen as a useful future development. Here we report on a new intermediate-depth drilling system designed to recover high-quality 98 mm diameter ice cores from close to surface down to depths of 1000 m by two or more operators in a small deep-field camp environment. The total weight of the system on the snow surface is ~490kg, of which the intermediate-depth winch is the single heaviest component at 305kg with 1000 m of cable.

DOI: 10.3189/2014AoG68A038
URL: View document