Sticking deep ice core drills: Why and how to recover

• Main Authors: Gundestrup, N. S., Johnsen, S. J., Hansen, S. B., Shoji, H., Talalay, P., Wilhelms, Frank
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: 2002
• Subjects: Freed; Greenland; Antarc*; Antarctica; EPICA; GISP; ice core; NGRIP
• Online Access: https://epic.awi.de/id/eprint/5703/; https://hdl.handle.net/10013/epic.16266

The GISP deep drill became stuck in 1981, but was free the following year. The NGRIP/EPICA deep drill has suffered from two big setbacks: The drill is stuck both at NGRIP in Greenland and at Dome C in Antarctica. Both events occured in a period with routine drilling and high productivity. The two re...