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A new 122 mm electromechanical drill for deep ice-sheet coring (DISC): 1. Design concepts

  • Alexander J. Shturmakov (a1), Donald A. Lebar (a1), William P. Mason (a1) and Charles R. Bentley (a1)
Abstract

The Deep Ice Sheet Coring (DISC) drill, developed by Ice Coring and Drilling Services (ICDS) under contract with the US National Science Foundation, is an electromechanical drill designed to take 122 mm diameter ice cores to depths of 4000 m. The conceptual design of the DISC drill was developed in 2002/03 based on science requirements written by K. Taylor and the United States ice-coring community and on engineering performance objectives. Detailed design of the drill began in June 2003. Special attention was paid to building safety into the design and operation of the drill system. The drill was designed and manufactured by a team of engineers and technicians from the University of Wisconsin–Madison and various subcontractors with assistance from the science community, the European ice-drilling community and polar logistical support organizations. ICDS successfully tested the drill in Greenland in 2006 and will continue its development to meet the science objectives of the West Antarctic Ice Sheet Divide Ice Core Project.

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References
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Eustes, A.W., Fleckenstein, W.W., Beiriger, M. and Eustes, S.S.. 2001. United States deep ice coring rig assessment; report to Ice Coring and Drilling Services. Golden, CO, Colorado School of Mines.
Johnsen, S.J. and 16 others. 2007. The Hans Tausen drill: design, performance, further developments and some lessons learned. Ann. Glaciol., 47, 89–98.
Johnson, J.A. and 7 others. 2007. A new 122mm electromechanical drill for deep ice-sheet coring (DISC): 5. Experience during Greenland field testing. Ann. Glaciol., 47, 54–60.
Kelley, J.J., Stanford, K., Koci, B., Wumkes, M. and Zagorodnov, V.. 1994. Ice coring and drilling technologies developed by the Polar Ice Coring Office. Mem. Natl. Inst. Polar Res., 49, Special Issue, 24–40.
Kudryashov, B.B. and 9 others. 2002. Deep ice coring at Vostok Station (East Antarctica) by an electromechanical drill. Mem. Natl. Inst. Polar Res., 56, Special Issue, 91–102.
Mason, W.P., Shturmakov, A.J., Johnson, J.A. and Haman, S.. 2007. A new 122mm electromechanical drill for deep ice-sheet coring (DISC): 2. Mechanical design. Ann. Glaciol., 47, 35–40.
Mortensen, N.B., P.J., Sendelbach and A.J., Shturmakov. 2007. A new 122mm electromechanical drill for deep ice-sheet coring (DISC): 3. Control, electrical and electronics design. Ann. Glaciol., 47, 41–50.
Shturmakov, A.J. and Sendelbach, P.J.. 2007. A new 122mm electromechanical drill for deep ice-sheet coring (DISC): 4. Drill cable. Ann. Glaciol., 47, 51–53.
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Annals of Glaciology
  • ISSN: 0260-3055
  • EISSN: 1727-5644
  • URL: /core/journals/annals-of-glaciology
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