Term: | Ice rise |
Definition: |
A mass of ice resting on rock and surrounded either by an ice shelf, or partly by an ice shelf and partly by sea; no rock is exposed and there may be none above sea level; ice rises often have a dome-shaped surface; the largest known is about 100 kilometers (62 miles) across. NSIDCCryosphere
An area of grounded ice surrounded or almost surrounded by shelf ice or the ice of a floating tongue. Currently the largest ice rise, with an area of 44 000 km2, is Berkner Island in the Ronne-Filchner Ice Shelf. IHPGlacierMassBalance Mass of ice, often dome shaped, resting on rock and surrounded either by an ice shelf, or partly by an ice shelf and partly by sea; no rock is exposed and there may be none above sea-level. For some features, properly ice rises, the term island has become established through usage. UKAntarcticTerms A usually dome-shaped mass of ice resting on rock and surrounded either by an ice shelf, or partly by an ice shelf and partly by the sea. No rock is exposed. AMSglossary A mass of ice resting on rock and surrounded either by an ice shelf, or partly by an ice shelf and partly by sea. No rock is exposed and there may be none above sea level. Ice rises often have a dome-shaped surface. The largest known is about 100 km across. SPRI GCW |