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← GeographyWhich consequence results when uninterrupted longshore drift meets a submerged river channel?
A)Delta lobe switching occurs more rapidly✓
B)Estuarine turbidity maximum intensifies greatly
C)Saltwater intrusion accelerates upstream rivers
D)Riverine levee formation rate accelerates locally
💡 Explanation
Rapid delta lobe switching occurs because longshore drift deposits sediment across smaller channels; this diverts the river flow due to channel blocking facilitating increased deposition, therefore delta destabilization occurs rather than direct estuarine effects.
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