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← GeographyWhich outcome occurs when rapidly meandering river streams flow onto a broad, submerged continental shelf?
A)Intensified underwater canyon sediment deposition✓
B)Decreased coastal upwelling event frequency
C)Reduced thermohaline circulation variability
D)Elevated deep-ocean methane hydrate formation
💡 Explanation
Intensified underwater canyon sediment deposition results because rapid meandering coupled with a broad shelf favors hyperpycnal flow. This density-driven current channels sediment into canyons through gravity, rather than turbidity currents otherwise dominant at lower river discharge values.
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