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← GeographyWhich risk increases when coastal afforestation near mobile dunes is conducted without permeability planning?
A)Exacerbated leeward dune migration✓
B)Enhanced offshore sediment transport
C)Increased stabilized dune erosion
D)Reduced longshore current deposition
💡 Explanation
When immobile trees are planted too densely, wind velocity increases through the barrier rather than being dispersed; this Amplified Wind Acceleration causes increased sand transport locally, because this concentrated area accelerates erosion; therefore, dune migration is exacerbated near the barrier, rather than decreased regionally.
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