Which outcome results when lahars overwhelm flood control structures?

💡 Explanation

Increased sedimentation occurs, because the carrying capacity overwhelms structures designed for regular flow, causing deposition of material. Enhanced transport capacity controls sedimentation, therefore, excess causes deposition rather than conveyance, aquifer changes or structural reinforcement.

• Which geomorphic outcome accelerates when Arctic permafrost thaws containing large amounts of trapped organic matter?
• Which phenomenon leads to increased flooding in fjords?
• Near river deltas, which floodplain change results from excessive sediment deposition within a meander bend?
• Which outcome occurs when sandstone cliffs experience intensified wave action?
• Which outcome increases following a dam's reservoir impoundment near a strike-slip fault?
• Which outcome is caused when coastal upwelling strengthens along the Peru coastline?