The study has revealed that widespread flow acceleration and frequent small-iceberg calving could serve as warning signs for future such ice shelf retreats in the Antarctic, said scientists, who led the study. Ice shelves are floating tongues of ice connected to land but extend out and float on ocean water. They act as a buttress as they hold back glaciers on land flowing toward the ocean. Unusual warming played role in 2002 Antarctic ice shelf retreat: Study
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The study has revealed that widespread flow acceleration and frequent small-iceberg calving could serve as warning signs for future such ice shelf retreats in the Antarctic, said scientists, who led the study. Ice shelves are floating tongues of ice connected to land but extend out and float on ocean water. They act as a buttress as they hold back glaciers on land flowing toward the ocean. 
