Flashcards
Glacier types (learn)
Flashcards do conjunto (7)
- 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
Informações
- Descrição
- - Geography (Glaciers) FlashCards sobre Glacier types (learn), criado por Emily H em 23-09-2018.
- Criado por
- Emily H
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