where the ice floats. These are ice shelves. They play a crucial role in holding back the mass of ice behind. But the melting of ice shelves by warm ocean waters reduces this effect. This can ...

The Ross Ice Shelf is a huge frozen block about the size of France that floats in the southern portion of Antarctica's Ross Sea. In some areas, it can be about 750m (2,450ft) thick. Ice shelves ...

The Wilkins Ice Shelf, a huge iceberg more than 100 kilometres across, is about to break off from the Antarctic continent and float free, possibly as a result of global warming, two German ...

Ice floats in water because its density (0.92 g ... Antarctica's ice sheets and ice shelf continuously discharge icebergs into the Antarctic sea. These icebergs often have unusual shapes due ...

Unlike ice sheets, ice shelves float on the ocean surface – but they originate from the land. Ice shelves are fed by vast glaciers of compacted snow which flow out onto the sea and eventually ...

This discovery is particularly concerning to Bindschadler and his colleagues. Because ice shelves already float in the ocean, their melting cannot significantly influence sea level. (To test this fact ...

These immobile creatures eat microscopic algae and other tiny organic particles in the water that float near their stony ... more than half a mile into the ice shelf last month, 162 miles from ...