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Outline factors which lead to the formation of mudflows, a volcanic hazard - AQA - A-Level Geography - Question 5 - 2022 - Paper 1

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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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Answer

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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Answer

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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Answer

The mudflows consist of a mixture of water, volcanic ash, rocks, and pyroclastic materials, which contribute to their flow characteristics.

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