Nature & Environment
Researching Antarctic ice sheets
...based British glaciologist John Mercer were among those to propose that the parts of the ice sheet resting on bedrock below sea level might be vulnerable to a mechanism of self-sustaining ice loss they called “Marine Ice Sheet Instability”, or MISI. [Points of interest on the Bedmap2 bedrock topography map.] Bedmap2 bedrock topography map (Fretwell et al., 2013) with...