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https://doi.org/10.5194/egusphere-2024-3081
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/egusphere-2024-3081
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
10 Dec 2024
| 10 Dec 2024
Brief Communication: The Danish Replicate Drilling System – Results from the First Field Test
Abstract. We report on the successful test of a new replicate drilling system for ice cores. The test was done in drill fluid, at 140 m depth of the EastGRIP borehole in central Greenland. By determining the borehole orientation, broaching into the side of the borehole wall, we can guide the milling tool into the downhill side of the borehole. Thus, we produce a ledge on which we rest the drill with all its weight. Gravity would now guide the ice core drill into the downhill side of the hole, gradually producing full ice cores.
How to cite. Westhoff, J., Boeckmann, G. V., Rathmann, N. M., and Hansen, S. B.: Brief Communication: The Danish Replicate Drilling System – Results from the First Field Test, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-3081, 2024.
Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this paper. While Copernicus Publications makes every effort to include appropriate place names, the final responsibility lies with the authors. Views expressed in the text are those of the authors and do not necessarily reflect the views of the publisher.
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Journal article(s) based on this preprint
10 Sep 2025
Brief communication: The Danish replicate drilling system – results from the first field test
Julien Westhoff, Grant Vernon Boeckmann, Nicholas Mossor Rathmann, and Steffen Bo Hansen
The Cryosphere, 19, 3623–3630, https://doi.org/10.5194/tc-19-3623-2025, https://doi.org/10.5194/tc-19-3623-2025, 2025
Short summary
Short summary
We report on the successful test of a new replicate drilling system for ice cores. This system allows for the ice core drill to deviate from the parent (the original borehole), drilling into the side of the wall. Thus, we can produce a second ice core from any desired depth, increasing the amount of sample available for scientific purposes. In the paper, we present the results from the first field tests and the challenges we encountered.
Interactive discussion
Status: closed
Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor
| : Report abuse
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RC1: 'Comment on egusphere-2024-3081', Bryn Hubbard, 15 Jan 2025
The comment was uploaded in the form of a supplement: https://egusphere.copernicus.org/preprints/2024/egusphere-2024-3081/egusphere-2024-3081-RC1-supplement.pdf
- AC1: 'Reply on RC1', Julien Westhoff, 15 Mar 2025
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RC2: 'Comment on egusphere-2024-3081', Jay Johnson, 19 Jan 2025
The comment was uploaded in the form of a supplement: https://egusphere.copernicus.org/preprints/2024/egusphere-2024-3081/egusphere-2024-3081-RC2-supplement.pdf
- AC2: 'Reply on RC2', Julien Westhoff, 15 Mar 2025
Interactive discussion
Status: closed
Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor
| : Report abuse
-
RC1: 'Comment on egusphere-2024-3081', Bryn Hubbard, 15 Jan 2025
The comment was uploaded in the form of a supplement: https://egusphere.copernicus.org/preprints/2024/egusphere-2024-3081/egusphere-2024-3081-RC1-supplement.pdf
- AC1: 'Reply on RC1', Julien Westhoff, 15 Mar 2025
-
RC2: 'Comment on egusphere-2024-3081', Jay Johnson, 19 Jan 2025
The comment was uploaded in the form of a supplement: https://egusphere.copernicus.org/preprints/2024/egusphere-2024-3081/egusphere-2024-3081-RC2-supplement.pdf
- AC2: 'Reply on RC2', Julien Westhoff, 15 Mar 2025
Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
ED: Publish subject to minor revisions (review by editor) (28 Mar 2025) by Adam Booth
AR by Julien Westhoff on behalf of the Authors (17 Apr 2025)
Author's response
Author's tracked changes
Manuscript
ED: Publish as is (19 Jun 2025) by Adam Booth
AR by Julien Westhoff on behalf of the Authors (26 Jun 2025)
Manuscript
Journal article(s) based on this preprint
10 Sep 2025
Brief communication: The Danish replicate drilling system – results from the first field test
Julien Westhoff, Grant Vernon Boeckmann, Nicholas Mossor Rathmann, and Steffen Bo Hansen
The Cryosphere, 19, 3623–3630, https://doi.org/10.5194/tc-19-3623-2025, https://doi.org/10.5194/tc-19-3623-2025, 2025
Short summary
Short summary
We report on the successful test of a new replicate drilling system for ice cores. This system allows for the ice core drill to deviate from the parent (the original borehole), drilling into the side of the wall. Thus, we can produce a second ice core from any desired depth, increasing the amount of sample available for scientific purposes. In the paper, we present the results from the first field tests and the challenges we encountered.
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Julien Westhoff
Niels Bohr Institute, University of Copenhagen, 2200 Copenhagen, Denmark
Grant Vernon Boeckmann
CORRESPONDING AUTHOR
Niels Bohr Institute, University of Copenhagen, 2200 Copenhagen, Denmark
Nicholas Mossor Rathmann
Niels Bohr Institute, University of Copenhagen, 2200 Copenhagen, Denmark
Steffen Bo Hansen
Niels Bohr Institute, University of Copenhagen, 2200 Copenhagen, Denmark
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The requested preprint has a corresponding peer-reviewed final revised paper. You are encouraged to refer to the final revised version.
- Preprint
(1286 KB) - Metadata XML
Short summary
We report on the successful test of a new replicate drilling system for ice cores. This system allows us to deviate the ice core drill from the parent, the original, borehole, and drill into the side of the wall. Thus, we can produce a second ice core from any desired depth, increasing the amount of sample available for scientific purposes. In the manuscript, we present the results from the first field tests and the challenges we encountered.
We report on the successful test of a new replicate drilling system for ice cores. This system...