Anchor ice
Videos
Anchor ice is defined by the World Meteorological Organization as "submerged ice attached or anchored to the bottom, irrespective of the nature of its formation". It may also be called bottom-fast ice
Anchor ice growing on the sea floor in McMurdo Sound, Antarctica
Anchor ice on the ground of river Saale in Jena, Germany
Anchor ice growing on a rope.
A scientist investigating a sponge on the surface of the Western McMurdo Shelf, McMurdo Sound, Antarctica
Ice tongue
Videos
An ice tongue or glacier tongue exists when there is a narrow floating part of a glacier that extends out into a body of water beyond the glacier's lowest contact with the Earth's crust. An ice tongue
Anchor ice
…after storms when the air temperature is below the freezing point of the water, and the subtidal in the Antarctic along ice shelves or near floating glacier tongues, and in shallow lakes. Anchor ice will generally form in fast-flowing rivers during periods of extreme cold. Due to the motion of the water, ice cover…
The Erebus Glacier Tongue, coming off the Erebus Glacier from 3,800 m (12,500 ft). Mount Erebus, Ross Island, Antarctica. The ice tongue is protruding into McMurdo Sound (frozen in this image).