Icefall

Icefall

Part of a glacier where the ice flows over a bed with a very steep gradient, typically at a higher rate than both above and below. As a result the surface is fractured and heavily crevassed. In a river system, this would be a waterfall.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Water bodies
Category: Glaciers
Government Agency: USGS
Product:
Acronym-Abbreviation:

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Related terms

icefall

Weather; Meteorology

That portion of a glacier where a sudden steepening of descent causes a chaotic breaking up of the ice.

icefall

Water bodies; Glaciers

Part of a glacier where the ice flows over a bed with a very steep gradient, typically at a higher rate than both above and below. As a result the surface is fractured and heavily ...

icefall

Language; Dictionaries

A frozen waterfall, or mass of ice resembling a frozen waterfall.

ice-marginal lake

Water bodies; Glaciers

A lake that is located adjacent to the terminus of a glacier. Typically, these lakes form in bedrock basins scoured by the glacier. They enlarge as the glacier retreats. Sometimes ...

glacier

Water bodies; Glaciers

A large persistent body of ice. Originating on land, a glacier flows slowly due to stresses induced by its weight. A glacier forms in a location where the accumulation of snow ...

glacier mill

Water bodies; Glaciers

A narrow, tubular chute or crevasse through which water enters a glacier from the surface. Occasionally, the lower end of a moulin may be exposed in the face of a glacier or at ...

bergy seltzer

Water bodies; Glaciers

A crackling or sizzling similar to that made by soft drinks or seltzer water but louder. The sound made as air bubbles formed at many atmospheres of pressure are released during ...

glacial furrow

Water bodies; Glaciers

A linear depression, inches to miles in length, produced by the removal of rock or sediment by the erosive action of a glacier.

retreat

Water bodies; Glaciers

A decrease in the length of a glacier compared to a previous point in time. As ice in a glacier is always moving forward, its terminus retreats when more ice is lost at the ...

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