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Borehole optical televiewer (OPTV) logs of boreholes drilled into Khumbu Glacier, Nepal, in 2017 and 2018 as part of EverDrill research project

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.

Simple

Date (Creation)
2019-01-11
Date (Revision)
2019-01-11
Date (Publication)
2019-01-11
Date (released)
2019-01-11
Edition
1.0
Unique resource identifier
https://doi.org/10.5285/d80f5c86-89a7-46d6-8718-47e3d34ab368
Codespace
doi
Unique resource identifier
GB/NERC/BAS/PDC/01130
Codespace
https://data.bas.ac.uk/
Unique resource identifier
NE/P00265X/1
Codespace
award
Unique resource identifier
NE/P002021/1
Codespace
award
Other citation details
Please cite this item as: Hubbard, B., Miles, K., & Quincey, D. (2019). Borehole optical televiewer (OPTV) logs of boreholes drilled into Khumbu Glacier, Nepal, in 2017 and 2018 as part of EverDrill research project (Version 1.0) [Data set]. UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation. https://doi.org/10.5285/d80f5c86-89a7-46d6-8718-47e3d34ab368
Credit
No credit.
Status
completed Completed
Author
  Aberystwyth University - Hubbard, Bryn ( Researcher )
Author
  Aberystwyth University - Miles, Katie ( Researcher )
Author
  University of Leeds - Quincey, Duncan ( Researcher )
Point of contact
  NERC EDS UK Polar Data Centre
British Antarctic Survey, High Cross, Madingley Road , Cambridge , Cambridgeshire , CB3 0ET , United Kingdom
+44 (0)1223 221400
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
Maintenance and update frequency
asNeeded As needed
Maintenance note
completed Completed
Global Change Master Directory (GCMD) Science Keywords
  • EARTH SCIENCE > Cryosphere > Glaciers/Ice Sheets > Glaciers
  • EARTH SCIENCE > Cryosphere > Snow/Ice > Snow Stratigraphy
Theme
  • Ice boreholes
  • Khumbu Glacier, Nepal
  • Optical televiewer
Place
  • Khumbu Glacier, Himalaya Nepal
GEMET - INSPIRE themes, version 1.0
  • Elevation
  • Meteorological geographical features
Access constraints
otherRestrictions Other restrictions
Other constraints
no limitations to public access
Access constraints
otherRestrictions Other restrictions
Other constraints
no limitations
Use constraints
license License
Other constraints
Open Government Licence v3.0
Use constraints
otherRestrictions Other restrictions
Other constraints
This data is governed by the NERC Data Policy: https://www.ukri.org/who-we-are/nerc/our-policies-and-standards/nerc-data-policy/
Use constraints
otherRestrictions Other restrictions
Other constraints
This data is governed by the NERC data policy and supplied under Open Government Licence v3.0
Use constraints
otherRestrictions Other restrictions
Other constraints
No restrictions apply.
Unique resource identifier
url
Codespace
url
Association Type
largerWorkCitation Larger work citation
Unique resource identifier
url
Codespace
url
Association Type
crossReference Cross reference
Unique resource identifier
doi
Codespace
doi
Association Type
crossReference Cross reference
Spatial representation type
textTable Text, table
Metadata language
engEnglish
Character set
utf8 UTF8
Topic category
  • Climatology, meteorology, atmosphere
  • Environment
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Begin date
2017-05-11
End date
2018-05-05
Supplemental Information
It is recommended that careful attention be paid to the contents of any data, and that the author be contacted with any questions regarding appropriate use. If you find any errors or omissions, please report them to polardatacentre@bas.ac.uk.
Date (Publication)
2008-11-12
Publisher
  European Petroleum Survey Group
https://www.epsg-registry.org/
Unique resource identifier
urn:ogc:def:crs:EPSG::3031
Version
6.18.3

Distributor

Distributor
  NERC EDS UK Polar Data Centre
British Antarctic Survey, High Cross, Madingley Road , Cambridge , Cambridgeshire , CB3 0ET , United Kingdom
+44 (0)1223 221400
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
Name
image/bmp
Units of distribution
bytes
Transfer size
3113851290
OnLine resource
Get Data ( WWW:LINK-1.0-http--link )

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Hierarchy level
dataset Dataset
Statement

Methodology:

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.

Data collection:

Logs were acquired using Robertson Geologging OPTV probe, mini winch and Micrologger II.

Data quality:

Images are unaltered from those logged in the field. The OPTV technique is described in the referenced publication.

File identifier
d80f5c86-89a7-46d6-8718-47e3d34ab368 XML
Metadata language
engEnglish
Character set
utf8 UTF8
Hierarchy level
dataset Dataset
Hierarchy level name
dataset
Date stamp
2019-01-11
Metadata standard name
ISO 19115 Geographic Information - Metadata
Metadata standard version
ISO 19115:2003(E)
Point of contact
  NERC EDS UK Polar Data Centre
British Antarctic Survey, High Cross, Madingley Road , Cambridge , Cambridgeshire , CB3 0ET , United Kingdom
+44 (0)1223 221400
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
 
 

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Spatial extent

N
S
E
W
thumbnail


Keywords

Ice boreholes Khumbu Glacier, Nepal Optical televiewer
GEMET - INSPIRE themes, version 1.0
Elevation Meteorological geographical features
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > Cryosphere > Glaciers/Ice Sheets > Glaciers EARTH SCIENCE > Cryosphere > Snow/Ice > Snow Stratigraphy

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