polar ice sheets
📖 Definitions
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Vast, continuous layers of glacial ice covering large landmasses in polar regions, such as Antarctica and Greenland.; Massive bodies of ice that form on continental land areas near the poles, distinct from sea ice.
💬 Examples
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The accelerated melting of polar ice sheets and mountain glaciers poses a severe threat to global sea levels.
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Scientists monitor the stability of polar ice sheets to predict future climate change impacts.