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← GeographyNear a gradually subsiding river delta which outcome occurs due to the reduced sediment supply?
A)Increased coastal erosion and land loss✓
B)Saltwater intrusion slows significantly inland
C)Stabilization of barrier island formation rates
D)Reduced storm surge flooding vulnerability
💡 Explanation
Increased erosion occurs because isostatic depression coupled with blocked sediment, limits deposition; this triggers shoreline retreat via Wave Refraction concentrating energy, therefore land loss increases, rather than stabilization which would require increased, not decreased, sediment deposition.
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