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23 mar 2024 · Continental Ice Sheets -Processes are similar but continental glaciers are much bigger that alpine glaciers. In area and mass alpine glaciers are insignificant to the ice caps of Greenland and Antarctica which contain 96% of the area covered by glaciers.
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10 lis 2023 · An ice sheet is a mass of glacial ice more than 50,000 square kilometers (19,000 square miles). Ice sheets contain about 99% of the fresh water on Earth, and are sometimes called continental glaciers. As ice sheets extend to the coast and over the ocean, they become ice shelves.
Ice sheets are continental-scale masses of ice that rest on land. The shape of an ice sheet is a dome that slopes downwards toward its edges, where the interior ice may be thousands of meters thick and the ice around the edges tens of meters thick.
Ice sheet, any glacier that extends in continuous sheets, moving outward in all directions, whose area exceeds more than 50,000 square km (19,000 square miles). In general, such expanses of frozen water are called ice sheets if they are the size of Antarctica or Greenland and ice caps if they are.
In glaciology, an ice sheet, also known as a continental glacier, [2] is a mass of glacial ice that covers surrounding terrain and is greater than 50,000 km 2 (19,000 sq mi). [3] The only current ice sheets are the Antarctic ice sheet and the Greenland ice sheet. Ice sheets are bigger than ice shelves or alpine glaciers.
Ice sheets contain enormous quantities of frozen water. If the Greenland Ice Sheet melted entirely, scientists estimate that sea level would rise about 7.4 meters (23 feet). If the Antarctic Ice Sheet melted, sea level would rise by about 60 meters (200 feet).
