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← GeographyWhich consequence results when rapid levee construction on the Mississippi restricts floodplain access?
A)Increased riverbed sediment accumulation
B)Decreased salt marsh land creation
C)Reduced coastal wetland sedimentation✓
D)Enhanced delta subsidence inhibition
💡 Explanation
Reduced coastal wetland sedimentation accelerates land loss because fluvial sediment deposition decreases due to levee channelization controlling natural overbank flow. This disrupts delta-building, therefore wetlands starve for sediment, rather than receive needed deposits during natural floods.
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