Which process rapidly changes drainage patterns around alluvial fans?

💡 Explanation

Extremely fast flow shifts arise from avulsion on alluvial fans because the slope favors flow path changes suddenly; therefore channels leave the fan rather suddenly, instead of through long-term deepening or steady sediment changes.

• Which outcome arises when intense chemical weathering accelerates leaching in well-drained soil?
• Which outcome occurs when glacial meltwater fills depressions?
• Which seismic effect accompanies the sudden release of potential energy along a subduction zone fault line?
• Which outcome rapidly alters local albedo when extensive effusive volcanism occurs subglacially?
• Which risk increases when a pipeline is buried in an area undergoing active solifluction?
• Which process limits soil horizon development during intense rainfall events?