Category: Elevation

Bedmap3 ice thickness, bed and surface elevation (Antarctica)

UK Polar Data Centre / British Antarctic Survey for SCAR

Commercial
Yes
Format
GeoTIFF, NetCDF, Shapefile
Coverage
Antarctica (south of 60°S)
Resolution
500 m
Last updated
Added to findgis 30 Oct 2026 · Update frequency Static

The 500 m grids include the seafloor and use measurements from 1966 through 2024, with 84 new aero-geophysical surveys, 52 million added points, and 1.9 million line-kilometres.

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Source and attribution

Publisher
UK Polar Data Centre / British Antarctic Survey for SCAR
License
Attribution
Commercial use
Yes
Attribution required
Yes
Modification allowed
Yes
Redistribution allowed
Yes
Share-alike
No
Use constraints: “This data is covered by a Creative Commons License (https://creativecommons.org/licenses/by/4.0/) Further by downloading this data the user acknowledges that they agree with the NERC data policy (http://www.nerc.ac.uk/research/sites/data/policy.asp), and the following conditions: 1. To cite the data and the Bedmap3 publication in any publication as follows: DATA: Pritchard, H., Fretwell, P., Fremand, A., Bodart, J., Kirkham, J., Aitken, A., Bamber, J., Bell, R., Bianchi, C., Bingham, R., Blankenship, D., Casassa, G., Catania, G., Christianson, K., Conway, H., Corr, H., Cui, X., Damaske, D., Damn, V., ... Zirizzotti, A. (2024). BEDMAP3 - Ice thickness, bed and surface elevation for Antarctica - gridding products (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/2d0e4791-8e20-46a3-80e4-f5f6716025d2 PAPER: Pritchard, H.D., Fretwell, P.T., Fremand, A.C. et al. Bedmap3 updated ice bed, surface and thickness gridded datasets for Antarctica. Sci Data 12, 414 (2025). https://doi.org/10.1038/s41597-025-04672-y 2. The user recognizes the limitations of data. Use of the data is at the users' own risk, and there is no warranty as to the quality or accuracy of any data, or the fitness of the data for your intended use. The data are not necessarily fully quality assured and cannot be expected to be free from measurement uncertainty, systematic biases, or errors of interpretation or analysis, and may include inaccuracies in error margins quoted with the data.”License text
Region
AntarcticaAQ
Type
Raster
Time
1966-01-01–2024-11-01
Extent
-180-90180-60West, south, east, north. Approximate region extent.

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