Which consequence results when eustatic sea level rises rapidly behind a coastal barrier island system?

💡 Explanation

Increased flooding and breaching occur because the **rollback mechanism** causes rapid landward migration of the barrier; therefore, overwash increases rather than habitat stabilizing, due to barrier instability and drowning.

• Which outcome occurs when tectonic plate movement constricts oceanic straits?
• Which process generates elevated methane release from thermokarst lake formation in arctic permafrost regions?
• Which failure mode becomes progressively more risky as alluvial fans aggrade in tectonically active regions?
• Which outcome results in volcanic islands when pyroclastic density currents interact with seawater?
• Which process leads to gradual sediment transport breakdown of barrier islands?
• Which outcome results when sediment accumulates excessively within fjords?