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Ground penetrating radar common-midpoint gathers from Antarctica's Larsen C Ice Shelf, Nov 2017, following the calving of Iceberg A68

Ground penetrating radar (GPR) data were acquired at a site on Antarctica''s Larsen C Ice Shelf, in November 2017. The acquisition was performed to measure radar anisotropy, a potential proxy for the stress condition in the upper ice shelf, following the calving of Iceberg A68 in July 2017. Two GPR common midpoint (CMP) gathers were acquired at Site S2, a site previously surveyed during the NERC funded NE/E013414/1 SOLIS project. These gathers were acquired first with GPR antennas extended in the flow-parallel direction (~ east), and then in the flow-orthogonal direction. The GPR system is a Sensors & Software pulseEKKO PRO, with 200 MHZ antennas. All acquisitions were performed by Dr Jim White (British Geological Survey) and Emma Pearce (University of Leeds, School of Earth and Environment), with support from BAS.

The data is part of the NERC RACE project, NE/R012334/1.

Simple

Alternate title
Polar Data Centre (PDC) record GB/NERC/BAS/PDC/01227
Date (Publication)
2020-01-29
Identifier
http://www.antarctica.ac.uk/dms/metadata.php?id= / GB/NERC/BAS/PDC/01227
Custodian
  British Antarctic Survey
High Cross, Madingley Road , Cambridge , CB3 0ET , UK
+44 (0)1223 221400
Originator
  UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation - Booth, A., White, J., Pearce, E., Cornford, S., Brisbourne, A., Luckman, A., & Kulessa, B.
High Cross, Madingley , Cambridge , CB3 0ET , UK
+44 (0)1223 221400
Maintenance and update frequency
unknown Unknown
Keywords
  • NDGO0001
NERC OAI Harvesting
  • NERC_DDC
GCMD Parameter Valids
  • EARTH SCIENCE > Cryosphere > Glaciers/Ice Sheets > Ice Sheets
  • EARTH SCIENCE > Cryosphere > Snow/Ice > Snow Stratigraphy
BAS Free-text keywords
  • Larsen
  • anisotropy
  • calving
  • ground penetrating radar
  • ice shelf
Use limitation
This data is governed by the NERC data policy http://www.nerc.ac.uk/research/sites/data/policy/ and supplied under Open Government Licence v.3 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/.
Access constraints
otherRestrictions Other restrictions
Other constraints
This data is governed by the NERC data policy http://www.nerc.ac.uk/research/sites/data/policy/ and supplied under Open Government Licence v.3 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/.
Metadata language
EnglishEnglish
Topic category
  • Climatology, meteorology, atmosphere
  • Environment
  • Geoscientific information
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Begin date
2017-11-23
End date
2017-11-23
Reference system identifier
OGP / urn:ogc:def:crs:EPSG::4326
Distribution format
Distributor
  Polar Data Centre - British Antarctic Survey
+44 (0)1223 221400
Protocol
http
Name
GET DATA
Function
download Download
Hierarchy level
dataset Dataset

Domain consistency

Measure identification
INSPIRE / Conformity_001

Conformance result

Date
Explanation
See the referenced specification
Pass
No
Statement
No issues with data quality; both CMP gathers show clear hyperbolic reflections from within the firn column. No issues with antenna mislocation or static artefacts: the first-break of the airwave defines the expected velocity of 0.3 m/ns.
File identifier
GB_NERC_BAS_PDC_01227 XML
Metadata language
EnglishEnglish
Hierarchy level
dataset Dataset
Date stamp
2020-01-29
Metadata standard name
NERC profile of ISO19115:2003
Metadata standard version
1.0
Point of contact
  British Antarctic Survey
+44 (0)1223 221400
Dataset URI
http://www.antarctica.ac.uk/dms/metadata.php?id=GB/NERC/BAS/PDC/01227
 
 

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