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Ice sheet: a very large mass of ice of continental scale in the shape of a dome flowing outwards. The Antarctic and Greenland Ice Sheets are examples. Polythermal glaciers: glaciers that have areas of both wet and frozen bases.
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 freshwater on Earth, and are sometimes called continental glaciers. As ice sheets extend to the coast and over the ocean, they become ice shelves.
1 paź 2000 · The regions of greatest ice thickness and the regions marginal to the Late Pleistocene ice sheets indicate the most dramatic evidence of earthquake faulting.
1 kwi 2012 · Continental Antarctica is largely ignored as a biome, although it has a diverse array of surface lakes, numerous subglacial lakes (e.g. Lake Vostok), ice sheets and some ice free areas, all of which harbour a range of life forms 2, 3, 4.
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.
29 gru 2015 · An ice sheet is a large mass of ice resting on land that is continental or subcontinental in extent, with the ice thick enough to cover most of the underlying bedrock topography. Its shape is mainly determined by the dynamics of its gravity-driven outward flow.
1 sty 2021 · Contemporary Sea-level rise in a geologic perspective. Future warming of Earth will inevitably lead to sea-level rise due to both the thermal expansion of ocean water and the direct impact of melting terrestrial ice (i.e., ice sheets, glaciers, and permafrost) on global ocean volume.
