BERNHARD EDMAIER / SCIENCE PHOTO LIBRARY BERNHARD EDMAIER / SCIENCE PHOTO LIBRARY
Glacier calving. View of the terminal wall of a glacier breaking up as it reaches the sea. This process is known as calving, and the icebergs formed in this way are called calves. As the glacier pushes out onto the sea and starts to float, immense strains are placed on the terminal wall. Large chunks of ice frequently break away, and many icebergs are formed by this method. This is the Childs Glacier, Alaska, USA.
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