f54cd5f2-0bc4-437c-957b-970bafc0b0c5 eng utf8 dataset dataset NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom polardatacentre@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information pointOfContact 2007-06-11 ISO 19115 Geographic Information - Metadata ISO 19115:2003(E) European Petroleum Survey Group (EPSG) Geodetic Parameter Registry 2008-11-12 publication European Petroleum Survey Group EPSGadministrator@iogp.org https://www.epsg-registry.org/ EPSG Geodetic Parameter Dataset The EPSG Geodetic Parameter Dataset is a structured dataset of Coordinate Reference Systems and Coordinate Transformations, accessible through this online registry. information publisher urn:ogc:def:crs:EPSG::3031 6.18.3 BEDMAP ice-thickness database 2007-06-11 creation 2007-06-11 revision 2007-06-11 publication 2007-06-11 released 1 f54cd5f2-0bc4-437c-957b-970bafc0b0c5 uuid GB/NERC/BAS/PDC/00252 https://data.bas.ac.uk/ Please cite this item as: None The BEDMAP (Bed Topography of the Antarctic) database contains data collected on surveys over the past 50 years that describe the thickness of the Antarctic ice sheet. This has allowed the compilation of a suite of seamless digital topographic models for the Antarctic continent and surrounding ocean. The suite includes grids representing: - ice-sheet ... thickness over the ice sheet and shelves, - water-column thickness beneath the floating ice shelves, - bed elevation beneath the grounded ice sheet, - bathymetry to 60 degrees South including the areas beneath the ice shelves. These grids are consistent with a recent high-resolution surface elevation model of Antarctica. While the digital models have a nominal spatial resolution of 5 km, such high resolution is not strictly justified by the original data density over all parts of the ice sheet. The suite does however provide an unparalleled vision of the geosphere beneath the ice sheet and a more reliable basis for ice sheet modelling. The bed elevation DEM, which includes the entire geosphere south of 60 degrees South, provides an improved delineation of the boundary between East and West Antarctica and sheds new light on the morphology of the contiguous East Antarctic landmass, much of which is buried below an average of 2500 m of ice. No credit. completed NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom PDCServiceDesk@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information pointOfContact asNeeded completed EARTH SCIENCE > Cryosphere > Glaciers/Ice Sheets > Glacier Elevation/Ice Sheet Elevation EARTH SCIENCE > Cryosphere > Snow/Ice > Ice Depth/Thickness EARTH SCIENCE > Land Surface > Topography theme Global Change Master Directory (GCMD) Science Keywords 2026-01-27 publication 23 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) Greenbelt MD United States of America https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher Elevation Land cover BEDMAP Bathymetry Bed Elevation Ice Thickness Water Column Thickness theme Antarctica place Elevation Meteorological geographical features Land cover theme GEMET - INSPIRE themes, version 1.0 2021-01-06 revision otherRestrictions no limitations to public access otherRestrictions no limitations license Open Government Licence v3.0 otherRestrictions The following protocols were generally agreed by the participants of the BEDMAP consortium as providing adequate safeguards for data-collectors, whilst allowing other BEDMAP partners and, eventually, the wider community the opportunity to use BEDMAP data for research purposes. The guidelines adopted would be broadly similar to those adopted by the ADMAP consortium for magnetic anomaly data (ADMAP, 1995) - 1. At least until the next BEDMAP workshop any data deposited with the BEDMAP data managers would be considered to be for the sole use of BEDMAP and would not be released to any third party for other purposes. 2. All gridded datasets and contour maps produced by BEDMAP will be freely available to all bone fide researchers 3. Certain restrictions will apply for access to the individual measurements of ice thickness deposited with BEDMAP. For 3 years after collection data are considered to be the sole property of the originators. For the subsequent 3 years the data will be made available for use by other BEDMAP researchers, provided that this transfer is considered as a collaboration between the originator and recipient, and authorship of resulting publications should acknowledge that collaboration. 4. For existing datasets the same restrictions will apply but with the date of publication of this report being considered as the beginning of the process. 5. A companion paper will be prepared as an accompaniment to the final bed elevation map. This will be published with an authorship reflecting the entire BEDMAP consortium. 6. The copyright of the final product of BEDMAP will be vested with SCAR. url url largerWorkCitation url url crossReference url url crossReference url url crossReference doi doi crossReference textTable eng utf8 elevation geoscientificInformation inlandWaters -180.0 180.0 -90.0 -60.0 1951-01-01 1951-01-01 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. NERC EDS UK Polar Data Centre +44 (0)1223 221400 British Antarctic Survey, High Cross, Madingley Road Cambridge Cambridgeshire CB3 0ET United Kingdom PDCServiceDesk@bas.ac.uk https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/ information distributor bytes 1 https://legacy.bas.ac.uk//bas_research/data/access/bedmap/database/ WWW:LINK-1.0-http--link Get Data Download data download bytes 1 http://www.bas.ac.uk/project/bedmap-2/#data WWW:LINK-1.0-http--link Get Data Download data download dataset Data quality: While the digital models have a nominal spatial resolution of 5 km, such high resolution is not strictly justified by the original data density over all parts of the ice sheet. asNeeded completed