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← GeographyWhich consequence results when construction reduces floodplain connectivity to river levees?
A)Increased levee overtopping during floods
B)Enhanced sediment deposition within channels
C)Reduced groundwater recharge locally✓
D)Increased channel stabilization downstream
💡 Explanation
Reduced floodplain connectivity decreases infiltration, because less water reaches recharge zones. This alters local hydraulic head, therefore decreasing localized groundwater recharge rather than affecting the river channel or structure of downstream deposits.
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