EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICEBERGS
A massive piece of ice of greatly varying shape, protruding more than 5m above
sea-level, which has broken away from a glacier, and which may be afloat or
aground. Icebergs may be described as tabular, dome-shaped, sloping, pinnacled,
weathered or glacier bergs.
British Antarctic Survey