Jakobshavn Isbræ, a major outlet glacier in Greenland, lost its protective ice shelf in 2002
and has been speeding up and retreating since. We image its grounding line for the first time …

Abstract The 79° North Glacier (Nioghalvfjerdsbrae, 79NG) is one of three remaining
glaciers with a floating tongue in Greenland. Although the glacier has been considered …

Short-term tidal grounding line (GL) migration in Antarctica can impact ice dynamics at the
ice sheet margins and obscures assessments of long-term GL advance or retreat. However …

Antarctic ice shelves buttress the flow of the ice sheet, tempering sea level rise, but they are
vulnerable to basal melting from contact with the ocean, as well as mass loss due to fracture …

Ice shelves regulate ice sheet contribution to sea level rise by buttressing ice flow. Many ice
shelves around Antarctica are thinning and retreating, with the most significant changes …

Dear readers, have you checked the globe, or atlas, lately? Like a good medical practitioner,
it would be proper to have regular check‑ups, if for nothing else but to detect the gradually …