Research output per year
Research output per year
Description
These are digital optical televiewer (OPTV) logs of four boreholes drilled by hot water to various depths (see Instrumented Borehole Info) in Khumbu Glacier, Nepal. Boreholes were drilled in May 2017 and 2018 to investigate the internal properties of Khumbu Glacier, specifically ice thickness, temperature, deformation and structure, as part of the NERC-funded 'EverDrill' research project.
Funding was provided by the NERC grant NE/P00265X/1 and NE/P002021/1.
The datasets are optical televiewer logs from four boreholes drilled to various depths (see Instrumented Borehole Info) in Khumbu Glacier, Nepal, in May 2017 and 2018. They were acquired using slimhole logging equipment manufactured by Robertson Geologging Ltd.
Logs were acquired using Robertson Geologging OPTV probe, mini winch and Micrologger II.
Most, but not all, OPTV logs are at a resolution of 360 pixels around the borehole, and at a vertical resolution of 1 mm.
Images are unaltered from those logged in the field. The OPTV technique is described by Hubbard et al. (2008).
Funding was provided by the NERC grant NE/P00265X/1 and NE/P002021/1.
The datasets are optical televiewer logs from four boreholes drilled to various depths (see Instrumented Borehole Info) in Khumbu Glacier, Nepal, in May 2017 and 2018. They were acquired using slimhole logging equipment manufactured by Robertson Geologging Ltd.
Logs were acquired using Robertson Geologging OPTV probe, mini winch and Micrologger II.
Most, but not all, OPTV logs are at a resolution of 360 pixels around the borehole, and at a vertical resolution of 1 mm.
Images are unaltered from those logged in the field. The OPTV technique is described by Hubbard et al. (2008).
| Date made available | 05 Apr 2019 |
|---|---|
| Publisher | UK Polar Data Centre |
| Date of data production | 11 May 2017 - 05 May 2018 |
| Geographical coverage | Khumbu Glacier, Himalaya, Nepal |
| Geospatial polygon | 27.99,86.16, 27.99,86.85, 27.94,86.85, 27.94,86.16, 27.99,86.16 |
Research output
- 1 Article
-
Internal structure of a Himalayan debris-covered glacier revealed by borehole optical televiewing
Miles, K. E., Hubbard, B., Miles, E. S., Quincey, D. J. & Rowan, A. V., 18 Aug 2023, In: Journal of Glaciology. 69, 276, p. 811-822 12 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile7 Citations (Scopus)172 Downloads (Pure)
Datasets
-
Locations and lengths of boreholes drilled into Khumbu Glacier, Nepal, in 2017 and 2018 as part of EverDrill research project
Hubbard, B., Miles, K., Quincey, D. J. & Miles, E. S., UK Polar Data Centre, 05 Apr 2019
DOI: 10.5285/65140444-b5fa-4a5e-9ab4-e86c106051e2
Dataset
Projects
- 1 Finished
-
Everdrill: Accessing the interior and bed of a Himalayan debris-covered glacier to forecast future mass loss
Hubbard, B. (Project Lead)
Natural Environment Research Council
01 Oct 2016 → 31 Aug 2019
Project: Externally funded research
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