Bedmap3 (2020 – present): ice thickness and sub subglacial topographic model of Antarctica.

Start date
1 January, 2022

Bedmap3 is a collaborative community project with the aim to produce a new map and datasets of Antarctic ice thickness and bed topography for the international glaciology and geophysical community, using a variety of data (including ice-thickness, bathymetry, surface altitude and grounding lines).


A man looking at the camera.

Peter Fretwell

Geographic Information Officer

Mapping and GIS team

60 years of Antarctic ice sheet data released

17 July, 2023

In a significant milestone for Antarctic research, detailed and extensive information on ice thickness and bed topography is now available for the first time in a centralised and standardised format. …

Polarimetric Radar

The radar system is composed of a complex waveform generator, signal processor, data handler and data store. It includes a high power transmitter (up to 66dBm or 4kW), a low …