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← GeographyWhich consequence results when unimpeded longshore drift encounters a dredged navigation channel?
A)Increased channel sedimentation rate notably✓
B)Accelerated salt marsh habitat creation
C)Decreased coastal erosion downdrift only
D)Formation of wider ebb-tidal deltas
💡 Explanation
Increased channel sedimentation occurs because longshore drift transports sediment along the coast. Channel dredging interrupts this transport; bypassing sediment deposits within the channel, enacting channel shoaling, therefore increased sedimentation rather than habitat creation, without channel management.
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