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Ice calving, also known as glacier calving or iceberg calving, is the breaking of ice chunks from the edge of a glacier. [1] 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 snow-free debris hills around the lagoon are lateral and terminal moraines of a valley glacier in Manang, Nepal.. A moraine is any accumulation of unconsolidated debris (regolith and rock), sometimes referred to as glacial till, that occurs in both currently and formerly glaciated regions, and that has been previously carried along by a glacier or ice sheet.
The Obere Glocknerscharte between the two peaks, at 3,766 m (12,356 ft), is the highest col in Austria, from which a couloir up to 55° in gradient and 600 m (2,000 ft) in altitude descends down to the Glocknerkees glacier, called Pallavicinirinne after the Austrian mountaineer Alfred von Pallavicini (1848–1886). It runs northeastwards and ...
A glacier that fills a valley is called a valley glacier, or alternatively, an alpine glacier or mountain glacier. [14] A large body of glacial ice astride a mountain, mountain range, or volcano is termed an ice cap or ice field. [15] Ice caps have an area less than 50,000 km 2 (19,000 sq mi) by definition.
An American-style 15×15 crossword grid layout. A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one ...
Massive chunks of Argentina's Perito Moreno Glacier, which is known as the "White Giant," collapsed into the water on Thursday as tourists and locals watched from an observation deck.
A map of West Antarctica. The total volume of the entire Antarctic ice sheet is estimated at 26.92 million km 3 (6.46 million cu mi), [2] while the WAIS contains about 2.1 million km 3 (530,000 cu mi) in ice that is above the sea level, and ~1 million km 3 (240,000 cu mi) in ice that is below it. [20]
Multiple erratics on the terminal moraine of the Okanogan Lobe. The Cascade Mountains are in the background.. The term "erratic" is commonly used to refer to erratic blocks, which geologist Archibald Geikie describes as: "large masses of rock, often as big as a house, that have been transported by glacier ice, and have been lodged in a prominent position in the glacier valleys or have been ...