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Glacier types (learn)

Emily H Geography - Inglés 7 fichas

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1Ice capMiniature ice sheet
Dome-shaped
Less than 50,000km2
Generally outward and radial flow of ice
In polar and sub-polar regions which are flat and high in elevation
2Continental ice sheetIce mass of continental size
Large dome-shaped glacier
Over 50,000km2 area
Generally outward and radial flow of ice
Can exceed 4km thickness
Many outlet glaciers
3Ice shelfFloating sheet of ice of considerable thickness attached to the coast
Nourished by one or more outlet glaciers
Snow accumulation on surface/
Bottom freezing from sea water
Free hundred metres up to over 1km in thickness
Surround Antarctic continent
4Valley glacierCommonly originates from mountain glaciers or ice fields
Flow down a valley confined by valley walls
5Cirque/ Corrie glacierOccupy bowl-like hollows (cirques/corries)
Found on high mountainsides
Wide rather than long
6Hanging glacierWhen major valley glacier retreats tributary glaciers left in smaller valleys high above shrunken central glacier surface
(When these melt empty high hanging valleys left)
7Tributary glacierSmall glacier flowing into a larger glacie

Descripción: - (Glaciers) Geography Fichas sobre Glacier types (learn), creado por Emily H el 23/09/2018.
Creado por: Emily H
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