Mapping Antarctica's warm underbelly
Media playback is unsupported on your device
Video

Mapping Antarctica's warm underbelly

Scientists have made the most detailed map yet of the heat rising under the ice sheet from rocks below.

This "geothermal heat flux" is key data required by scientists in order to model how the White Continent is going to react to climate change.

British Antarctic Survey geophysicist Tom Jordan spoke with our science correspondent Jonathan Amos.