crevasse synonym
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17 Feb 2011 Crevasses usually form in the top 50 meters (160 feet) of a glacier, where the ice is brittle. Below that, a glacier is less brittle and can slide over A crevasse is a deep crack, or fracture, found in an ice sheet or glacier, as opposed to a crevice that forms in rock. Crevasses form as a result of the movement and resulting stress associated with the shear stress generated when two semi-rigid pieces above a plastic substrate have different rates of movement. Answer to Why do crevasses form in the upper portion of a glacier but not below 50 meters (160 feet)?. Answer to Why do crevasses form in the upper portion of a glacier but not below a depth of about 50 meters?. Crevasses form because the glacier is flowing over a rough uneven surface. Frozen water, as you know, does not easily pour. Thus as the thick sheet of ice moves down the mountain cracks open up in the brittle ice sheet. The main reason crevasses present such a hazard to climbers is that snow bridges often obscure them. Crevasses can also be caused by the ice flowing over bumps or steps in the Longitudinal or splay crevasses, Form in the direction of a glacier flow, and where 29 Jul 2012 Just as rivers form rapids, glaciers form crescentic crevasses when ice gravity combined with the forward movement of the glacier will bring 22 Mar 2012 occur causing the ice to form fractures. Transverse Crevasses. Transverse crevasses form when the glacier slope steepens suddenly. This can. how do glaciers form Know how glaciers fracture to form crevasses. Why do crevasses form in the upper portion of a glacier, but not below 50 meters.
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