New map of the rock that makes up Antarctica
Media playback is unsupported on your device

Mapping Antarctica's rock underbelly

Scientists have produced the most detailed map yet of the White Continent's underbelly - its rock bed.

Called simply BEDMAP, this startling view of the landscape beneath the ice incorporates decades of survey data acquired by planes, satellites, ships and even people on dog-drawn sleds.

Dr Hamish Pritchard from the British Antarctic Survey described to our correspondent Jonathan Amos how the data was gathered.

  • 05 Dec 2011
Go to next video: Fly-through of 'ghost mountains'