Glacier

Science / Geology / Glacier: A thick mass of ice that forms on land from an accumulation and recrystallization of snow significant enough to persist through the summer and grow year by year. There are two basic types of glaciers: 1) valley (or alpine) glaciers that creep downslope under the influence of gravity, and 2) continental glaciers that flow outward from a thick central area under their own weight.

Rock Glacier

Science / Geology / Rock Glacier: A mass of rock material, cemented together by ice, that flows down a slope under the force of gravity much like the motion of a glacier. MORE

Glacier Winds

Science / Weather / Glacier Winds: Air flow that descends from glaciers, occasionally at a high rate of speed. Caused by the temperature difference between the air in contact with the glacier and the air at the same altitude, it reache MORE

Glacier Surge

Science / Geology / Glacier Surge: A period of unusually rapid movement of one glacier, sometimes lasting more than a year. MORE

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