Flashcards - Life Cycle of Glaciers

Flashcards - Life Cycle of Glaciers
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glacial erratics
A glacial erratic is a piece of rock that differs from the size and type of rock native to the area in which it rests
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ice age
An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers
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Glaciers
A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation over many years, often centuries
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Glaciers
A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation over many years, often centuries
ice age
An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers
glacial erratics
A glacial erratic is a piece of rock that differs from the size and type of rock native to the area in which it rests
glacial till
Till or glacial till is unsorted glacial sediment
cirque
A cirque is an amphitheatre-like valley formed by glacial erosion
glacial flow rates
Ice sheet dynamics describe the motion within large bodies of ice, such those currently on Greenland and Antarctica

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