Which outcome occurs when rapid sedimentation chokes an alluvial fan?

💡 Explanation

Increased channel avulsion occurs, because sediment buildup causes a blockage forcing the stream to find a new path. This occurs via channel avulsion, rather than focused erosion, because lateral constraint is reduced; deposition continues, creating new obstructions.

• In periglacial regions with significant solifluction, creating elevated roads requires which additional mitigation measure to maintain stability?
• Which outcome results when trade winds weaken in equatorial islands?
• Which mechanism primarily concentrates rare earth elements during carbonatite magma volcanism?
• Which oceanic shift results when subtropical anticyclones intensify?
• Which outcome occurs when sediment accumulates unevenly offshore?
• Which mechanism drives the progressive headward erosion that leads to the formation of a cirque?