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Quad-polarimetric ApRES measurements along a 6 km-long transect at the WAIS Divide, December 2019

Polarimetric phase-sensitive radar measurements were collected at the Western Antarctic Ice Sheet (WAIS) Divide on the 25th and 26th December 2019. The measurements were conducted at 10 sites along a 6 km-long transect ~5-10 km northeast of the location of the WAIS Divide Deep Ice Core. At each site, a suite of four quadrature (quad-) polarimetric measurements were collected using an autonomous phase-sensitive radio echo sounder (ApRES) in a single-input single-output (SISO) configuration.

The study is part of the Thwaites Interdisciplinary Margin Evolution (TIME) project of the International Thwaites Glacier Collaboration (ITGC), and is a collaboration between the United States National Science Foundation (NSF) and the United Kingdom Natural Environment Research Council (NERC). It was funded by UK Natural Environment Research Council (NERC) research grant NE/S006788/1 and USA National Science Foundation (NSF) research grant 1739027.

Simple

Alternate title
Polar Data Centre (PDC) record GB/NERC/BAS/PDC/01495
Date (Publication)
2021-05-05
Identifier
http://www.antarctica.ac.uk/dms/metadata.php?id= / GB/NERC/BAS/PDC/01495
Custodian
  British Antarctic Survey
High Cross, Madingley Road , Cambridge , CB3 0ET , UK
+44 (0)1223 221400
Originator
  Polar Data Centre,Natural Environment Research Council,UK Research & Innovation - Young, Tun Jan;Dawson, Eliza
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
  • EARTH SCIENCE > Cryosphere > Glaciers/Ice Sheets > Glacier Motion/Ice Sheet Motion
  • EARTH SCIENCE > Cryosphere > Glaciers/Ice Sheets > Glacier Topography/Ice Sheet Topography
  • EARTH SCIENCE > Hydrosphere > Glaciers/Ice Sheets
  • EARTH SCIENCE > Hydrosphere > Glaciers/Ice Sheets > Glacier Motion/Ice Sheet Motion
  • EARTH SCIENCE > Hydrosphere > Glaciers/Ice Sheets > Glacier Topography/Ice Sheet Topography
  • EARTH SCIENCE > Spectral/Engineering > Radar
BAS Free-text keywords
  • ApRES
  • ITGC
  • anisotropy
  • fabric
  • radar
  • radar polarimetry
Use limitation
Data supplied under Open Government Licence v3.0 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/.
Access constraints
otherRestrictions Other restrictions
Other constraints
Data supplied under Open Government Licence v3.0 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/.
Metadata language
EnglishEnglish
Topic category
  • Geoscientific information
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Begin date
2019-12-25
End date
2019-12-26
Reference system identifier
OGP / urn:ogc:def:crs:EPSG::4326
Distribution format
Distributor
  Polar Data Centre - British Antarctic Survey
+44 (0)1223 221400
OnLine resource
https://thwaitesglacier.org/projects/time
Hierarchy level
dataset Dataset

Domain consistency

Measure identification
INSPIRE / Conformity_001

Conformance result

Date
Explanation
See the referenced specification
Pass
No
Statement
The coarse-range (amplitude-derived) vertical (depth) resolution of the ApRES is 0.54 m. The azimuthal accuracy is unknown and is mainly the result of human error in alignment of antennas. A nominal azimuthal error of ±8° is assigned. The data included in this dataset are raw data and are entirely unprocessed.
File identifier
GB_NERC_BAS_PDC_01495 XML
Metadata language
EnglishEnglish
Hierarchy level
dataset Dataset
Date stamp
2021-05-05
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/01495
 
 

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