Ice sheet

Ice sheet

A thick, subcontinental to continental-scale accumulation of glacier ice and perennial snow that spreads from a centre of accumulation, typically in all directions.

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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

ice sheet

Chemistry; Weather; Atmospheric chemistry

A thick glacier formed above land that covers an area close to 20,000 square miles. The only two ice sheets know today are Antarctica and Greenland with Antarctica being the ...

ice sheet

Geography; Physical geography

A large area of ice, usually over 50000km2. Currently found in greenland and antarctica.

ice sheet

Engineering; Civil engineering

A large thick mass of ice formed on land by the compacting and recrystallization of old snow and move under the influence of gravity. Glaciers survive from year to year, and creep ...

ice sheet

Water bodies; Ice sheets

The layer of ice covering extensive regions of the world, notably Antarctica and Greenland. The ice sheets form from the accumulation of thousands or millions of years of ...

ice sheet

Water bodies; Glaciers

A thick, subcontinental to continental-scale accumulation of glacier ice and perennial snow that spreads from a center of accumulation, typically in all directions.

ice sheet

Medical; Health care; Medicine

A thick mass of ICE formed over large regions of land; rivers; lakes; ponds; or seawater.

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 ...