The new improved version of the ISTUK ice core drill

• Main Authors: Sigfus J. Johnsen, Niels S. Gundestrup, Steffen B. Hansen, Jakob Schwander, Heinrich Rufli
• Format: Report
• Language: English
• Published: University of Copenhagen/University of Copenhagen/University of Copenhagen/University of Bern/University of Bern 1994
• Subjects: Greenland; Tilting; Tower The; Dye 3; Dye-3; ice core; Memoirs of National Institute of Polar Research; Polar Research
• Online Access: https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=2205; http://id.nii.ac.jp/1291/00002205/; https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=2205&item_no=1&attribute_id=18&file_no=1

The ISTUK deep drill was developed in 1978-1980. The drill is mechanical. The cuttings are sucked from the bits into storage chambers in the drill, and brought to the surface with each core increment (typically 2.4m in length). Because the actual drilling time is a fraction of the total run time, wi...