Which risk increases when excessive sediment load overwhelms a river's alluvial fan system in a tectonically active region?

💡 Explanation

Increased sediment overwhelms the channels, causing channel blockage which results in avulsion; therefore, the river will find new, less obstructed routes which leads to more avulsion events, rather than creating stable deposits because deposition shifts rapidly.

• Which effect results when strike-slip motion along oceanic transform faults abruptly ceases?
• Which consequence results when wave diffraction concentrates energy?
• Which soil profile change occurs when temperate deciduous forests support burrowing mammals?
• Sediment starvation occurs when longshore current diminishes; which outcome accelerates dune erosion?
• Which surface change develops because localized airflow consistently removes fine sediment?
• Which outcome results when deep ocean upwelling stalls?