What does a jökulhlaup (glacial outburst flood) require?
Answer and explanation
Correct answer: A. Meltwater collects under or behind ice and is suddenly released, for example after volcanic heating
- Step 1: Volcanoes beneath glaciers can melt large amounts of ice. Step 2. The water is stored and then bursts out in a flood. Answer: Meltwater collects under or behind ice and is suddenly released, for example after volcanic heating. Why not the others: The other events are not outburst floods.
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