Glacial Systems and Landscapes (AQA A-Level Geography): Flashcards
📚Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Period when most glacial features created
Period when most glacial features created
Pleistocene period
Type of system glaciers function as
Type of system glaciers function as
Open system
Glacier state when inputs = outputs
Glacier state when inputs = outputs
Dynamic equilibrium
Feedback: ice melt exposes dark surfaces
Feedback: ice melt exposes dark surfaces
Ice-albedo feedback
Effect of darker surfaces on radiation
Effect of darker surfaces on radiation
Absorb more (lower albedo)
Latitude defining polar regions
Latitude defining polar regions
Above 66° N & S of Equator
Average Arctic sea ice thickness
Average Arctic sea ice thickness
3 metres
Size of Antarctica ice sheet
Size of Antarctica ice sheet
13 million km²
Colder polar region
Colder polar region
Antarctica
Ice turning directly to water vapour
Ice turning directly to water vapour
Sublimation