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← GeographyWhich outcome occurs when a glacial outburst flood rapidly decelerates?
A)Varved lake sediment deposition increases✓
B)Ice ablation rates significantly decrease
C)Katabatic wind speeds substantially increase
D)Esker formation dynamically accelerates
💡 Explanation
Increased varve formation arises from rapid sediment settling via fluid dynamics; the settling velocity decreases as the floodwaters slow. Deposition is due to Stokes Settling because less energy is maintaining suspension, therefore sedimentation increases, rather than ice or wind changes.
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