Warm- and Cold-based Glaciers (AQA A-Level Geography): Flashcards
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3 main glacier types
3 main glacier types
Temperate/warm-based, polar/cold-based, sub-polar
Another name for temperate glaciers
Another name for temperate glaciers
Warm-based glaciers
Pressure melting point definition
Pressure melting point definition
Temp. at which ice melts under pressure
Where warm-based glaciers occur
Where warm-based glaciers occur
Temperate coastal regions with maritime climates
Where cold-based glaciers occur
Where cold-based glaciers occur
High-latitude regions within Arctic & Antarctic circles
Role of meltwater in warm-based glaciers
Role of meltwater in warm-based glaciers
Acts as lubricant at glacier base, reducing friction
How cold-based glaciers attach to bedrock
How cold-based glaciers attach to bedrock
Frozen to the bedrock
Age of ice in cold-based glaciers
Age of ice in cold-based glaciers
Around 100,000 years old
Movement types in warm-based glaciers
Movement types in warm-based glaciers
Internal ice deformation & sliding across bedrock
What is sublimation?
What is sublimation?
Ice converting directly to water vapour