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Ice rise. An ice rise is a clearly defined elevation of the otherwise very much flatter ice shelf, typically dome-shaped and rising several hundreds of metres above the surrounding ice shelf . [1] An ice rise forms where the ice shelf touches the seabed due to a locally increased elevation of the seabed, which however remains below sea level.
Berkner Island (also known as the Berkner Ice Rise or as Hubley Island) is an Antarctic ice rise, where bedrock below sea level has caused the surrounding ice sheet to create a dome. If the ice cap were removed, the island would be underwater. [1] Berkner Island is completely ice-covered and is about 320 kilometres (200 mi) long and 150 ...
Greenland ice sheet. The Greenland ice sheet is an ice sheet which forms the second largest body of ice in the world. It is an average of 1.67 km (1.0 mi) thick, and over 3 km (1.9 mi) thick at its maximum. [2] It is almost 2,900 kilometres (1,800 mi) long in a north–south direction, with a maximum width of 1,100 kilometres (680 mi) at a ...
Crary Ice Rise. Coordinates: 82°56′S 172°30′W. Crary Ice Rise is an Antarctic ice rise in the south-central part of the Ross Ice Shelf. At 82°56'S, it is the southernmost ice rise. The feature was investigated by the USARP Ross Ice Shelf Project in the 1970s. The name came into use among USARP workers and honors Albert P. Crary (1911 ...
The ice core analyzed in the study was drilled from Skytrain Ice Rise located at the edge of the ice sheet, near the point where the ice starts to float and become part of the Ronne Ice Shelf.
The West Antarctic Ice Sheet (WAIS) is the segment of the continental ice sheet that covers West Antarctica, the portion of Antarctica on the side of the Transantarctic Mountains that lies in the Western Hemisphere. It is classified as a marine-based ice sheet, meaning that its bed lies well below sea level and its edges flow into floating ice ...
Gipps Ice Rise ( 68°46′S 60°56′W) is a roughly elliptical ice rise, 10 nautical miles (19 km) long and bounded by an ice cliff on all sides, lying at the edge of the Larsen Ice Shelf about 35 nautical miles (65 km) northeast of Hearst Island. The feature was discovered by William R. MacDonald of the United States Geological Survey (USGS ...
Post-glacial rebound (also called isostatic rebound or crustal rebound) is the rise of land masses after the removal of the huge weight of ice sheets during the last glacial period, which had caused isostatic depression. Post-glacial rebound and isostatic depression are phases of glacial isostasy (glacial isostatic adjustment, glacioisostasy ...