NERC Data Catalogue Service
Observations of supraglacial lakes on the Larsen B ice shelf in the decades before it collapsed, 1979-2002
This dataset provides the data produced as part of the work published in: Leeson, A. A., Foster, E., Rice, A., Gourmelen, N. and van Wessem, J. M.. 2019. 'Evolution of supraglacial lakes on the Larsen B ice shelf in the decades before it collapsed' Geophysical Research Letters.
It includes 1) shapefiles of supraglacial lakes mapped in both optical (Landsat) and SAR (ERS) satellite imagery, 2) rasters of lake depth, derived from Landsat TM and ETM+ images acquired in 1988 and 2000 and 3) shapefiles of the study area considered in the paper.
Funding was provided by ERPSRC grant EP/R01860X/1.
Simple
- Date (Creation)
- 2019-12-11
- Date (Revision)
- 2019-12-11
- Date (Publication)
- 2019-12-11
- Date (released)
- 2019-12-11
- Edition
- 1.0
- Unique resource identifier
- https://doi.org/10.5285/90cde9d9-bc80-41d4-8102-d3d0bb58a029
- Codespace
- doi
- Unique resource identifier
- GB/NERC/BAS/PDC/01282
- Codespace
- https://data.bas.ac.uk/
- Unique resource identifier
- EP/R01860X/1
- Codespace
- award
- Other citation details
- Please cite this item as: Leeson, A., Foster, E., & Rice, A. (2020). Observations of supraglacial lakes on the Larsen B ice shelf in the decades before it collapsed, 1979-2002 (Version 1.0) [Data set]. UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation. https://doi.org/10.5285/90cde9d9-bc80-41d4-8102-d3d0bb58a029
- Credit
- No credit.
- Status
- completed Completed
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 > Glacier Topography/Ice Sheet Topography
- EARTH SCIENCE > Cryosphere > Glaciers/Ice Sheets > Ice Sheets
- EARTH SCIENCE > Hydrosphere > Glaciers/Ice Sheets > Glacier Topography/Ice Sheet Topography
- EARTH SCIENCE > Hydrosphere > Glaciers/Ice Sheets > Ice Sheets
- EARTH SCIENCE > Spectral/Engineering > Visible Wavelengths > Visible Imagery
- EARTH SCIENCE > Cryosphere > Glaciers/Ice Sheets
- EARTH SCIENCE > Hydrosphere > Glaciers/Ice Sheets
- Theme
-
- Antarctica
- Larsen B
- observations
- supraglacial lakes
- Place
-
- Larsen B ice shelf Antarctica
- GEMET - INSPIRE themes, version 1.0
- 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 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
- crossReference Cross reference
- Spatial representation type
- textTable Text, table
- Metadata language
- engEnglish
- Character set
- utf8 UTF8
- Topic category
-
- Geoscientific information
- Imagery base maps earth cover
- Inland waters
))
- Begin date
- 1988-01-19
- End date
- 2002-02-21
- 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.
Distributor
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
- Name
- text/plain
- Name
- image/tiff
- Units of distribution
- bytes
- Transfer size
- 44249907
- OnLine resource
-
Get Data
(
WWW:LINK-1.0-http--link
)
Download data
- Units of distribution
- bytes
- Transfer size
- 44249907
- OnLine resource
-
Get Data
(
WWW:LINK-1.0-http--link
)
Download data
- Units of distribution
- bytes
- Transfer size
- 44249907
- OnLine resource
-
Get Data
(
WWW:LINK-1.0-http--link
)
Download data
- Hierarchy level
- dataset Dataset
- Statement
-
Methodology:
In order to compare lake characteristics between years, ERS data are radiometrically calibrated and georeferenced. SGLs are then manually delineated in ERS and automatically and manually delineated in Landsat . We quantify uncertainty associated with using two different sensors by digitizing lakes in a 52 km2 sample area in Landsat and ERS images acquired 2 days apart. We find that 7% more lakes are identified in ERS images, lakes are 16% larger on average in Landsat and cover an 8% greater area.
Data collection:
Horizontal resolution is nominally 30 m, since this is the resolution of the satellite imagery from which the data is derived.
See Leeson et al., 2019 for details.
Data quality:
Data are derived from all available, high quality satellite images acquired between November and March during 1979 and 2002 over the LBIS. These data are 8 optical satellite images acquired for 7 separate years by NASA/USGS's Landsat series and 13 Synthetic Aperture Radar (SAR) images acquired for 6 separate years by ESA's European Remote Sensing (ERS) platforms.
- File identifier
- 90cde9d9-bc80-41d4-8102-d3d0bb58a029 XML
- Metadata language
- engEnglish
- Character set
- utf8 UTF8
- Hierarchy level
- dataset Dataset
- Hierarchy level name
- dataset
- Date stamp
- 2019-12-11
- Metadata standard name
- ISO 19115 Geographic Information - Metadata
- Metadata standard version
- ISO 19115:2003(E)
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
Overviews
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