Outline factors which lead to the formation of mudflows, a volcanic hazard - AQA - A-Level Geography - Question 5 - 2022 - Paper 1
Question 5
Outline factors which lead to the formation of mudflows, a volcanic hazard.
Mudflows (or lahars) are associated with the rapid melting of ice and snow following a v... show full transcript
Worked Solution & Example Answer:Outline factors which lead to the formation of mudflows, a volcanic hazard - AQA - A-Level Geography - Question 5 - 2022 - Paper 1
Step 1
Factors leading to mudflows: Ice and Snow Melting
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Answer
Mudflows are often triggered by the rapid melting of snow and ice due to volcanic eruptions and geothermal activity.
Step 2
Factors leading to mudflows: High Altitude
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These phenomena typically occur in areas with substantial amounts of snow or ice, especially at high altitudes.
Step 3
Factors leading to mudflows: Tropical Storms
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Lahars can also be initiated after tropical storms, which may occur following an eruption.
Step 4
Factors leading to mudflows: Debris Composition
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The mudflows consist of a mixture of water, volcanic ash, rocks, and pyroclastic materials, which contribute to their flow characteristics.
