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23 mar 2024 · Study with Quizlet and memorize flashcards containing terms like Continental Ice Sheets, greenland, Icebergs and more.
25 paź 2023 · Continental ice sheets: vast sheets of ice and snow centered over continents. Move outward in all directions and have zones of accumulation and ablation. Formation and Movement of Glaciers. Accumulation occurs as snow compacts into denser ice. Ablation is the removal of ice near the toe of glaciers.
Study with Quizlet and memorize flashcards containing terms like Ice Sheet, Ice Stream, Ice Shelf and more.
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.
24 lis 2023 · Continental glaciers (a.k.a. ice sheets) cover vast areas of land and only exist now in extreme polar regions, including Antarctica and Greenland (Figure 4.2.1). Alpine glaciers (a.k.a. valley glaciers) originate on mountains, mostly in temperate and polar regions, but even in tropical regions if the mountains are high enough.
An ice sheet is a mass of glacial land ice that covers more than 50,000 square kilometers. Antarctica and Greenland hold the Earth’s two ice sheets, and both lose hundreds of gigatonnes (109 tonnes) of ice mass each year to melting (Fig 3.3.1.1).
Data products encompass snow, sea ice, glaciers, ice sheets, ice shelves, and freeze/thaw conditions, snow, and brightness temperatures. Spatial coverage ranges from global to continental, and temporal coverage ranges from the 1960s through the present.
