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← GeographyWhich outcome occurs when a debris flow exceeds infiltration?
A)Enhanced preferential flow path creation
B)Sheet flow sediment deposition increases✓
C)Dissolution increases in vadose zone
D)Accelerated soil horizon development begins
💡 Explanation
Increased sheet flow deposition occurs because unabsorbed debris flow volume triggers overland flow; the rate of deposition exceeds infiltration capacity. This causes sheet flow due to saturated surface conditions rather than typical infiltration-dominated shallow flow.
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