Animation illustrating how horizontal motion of glacier grounding lines is detected using satellite measurements of their elevation change (MP4)

 

Animation illustrating how horizontal motion of glacier grounding lines is detected using satellite measurements of their elevation change (GIF)

 

 

Cartoon illustrating how horizontal motion of glacier grounding lines is detected using satellite measurements of their elevation change

 

 

Map showing rates of grounding line migration around Antarctica between 2010 and 2016

 

 

Photograph of strand cracks at the Rutford Glacier above its grounding line. Credit: David Vaughan (British Antarctic Survey)