Ablation and Accumulation (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Where is the accumulation zone located on a glacier?
Where is the accumulation zone located on a glacier?
In the upper part of the glacier
Which processes cause ice loss in the ablation zone?
Which processes cause ice loss in the ablation zone?
Melting, sublimation, and calving
What occurs at the equilibrium line?
What occurs at the equilibrium line?
Ice gained exactly balances ice lost
How is net balance calculated?
How is net balance calculated?
Total accumulation minus total ablation
In temperate glaciers, when does accumulation exceed ablation?
In temperate glaciers, when does accumulation exceed ablation?
Winter (Oct-Mar) due to high snowfall
When does glacial advance occur?
When does glacial advance occur?
When accumulation exceeds ablation
During glacial retreat, which direction does ice flow?
During glacial retreat, which direction does ice flow?
Always downslope due to gravity
How much of Europe is covered by glaciers currently?
How much of Europe is covered by glaciers currently?
Approximately 6,000 km²
Over what time period has Mer de Glace retreated several kilometres?
Over what time period has Mer de Glace retreated several kilometres?
368 years (1644-2012)
What makes Hubbard Glacier unusual compared to most glaciers?
What makes Hubbard Glacier unusual compared to most glaciers?
It has positive net balance & is advancing