Ice calving, also known as glacier calving or iceberg calving, is the breaking of ice chunks from the edge of a glacier. It is a form of ice ablation or ice disruption. It is the sudden release and breaking away of a mass of ice from a glacier, iceberg, ice front, ice shelf, or crevasse. The ice that breaks away can be classified as an iceberg, but may also be a growler, bergy bit, or a crevasse wall breakaway
Icebergs can be BIG. At least one has been seen that’s as big as the state of Rhode Island!
Icebergs come in various colors. An iceberg’s color can tell us a lot about what it’s made of or where it came from.
For example:
White icebergs have lots of bubbles inside
Blue icebergs are very dense
Greenish-black icebergs may have calved off the bottom of a glacier
Darkly-striped icebergs carry moraine debris from the glacier
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