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Which consequence results when overwash deposition exceeds barrier island vegetation stabilization?

A)Landward barrier island migration occurs
B)Estuarine upwelling zones develop rapidly
C)Spit platforms experience catastrophic collapse
D)Tombolos experience swift channel widening

💡 Explanation

Landward barrier island migration occurs because increased overwash allows sediment to breach the island at a rate faster than plant bioherms can offer stability, because of sediment transport. Therefore, the island moves rather than remaining in situ or eroding evenly, and creates new environments.

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