Which outcome results when river meander sinuosity nears cutoff?

💡 Explanation

Oxbow lake formation initiates due to channel shortening via Avulsion; therefore, lateral migration increases curvature further, because the river takes the steeper gradient path rather than traveling the long meander ultimately, cutting off the neck.

• Which risk increases as coalescing alluvial fans block canyon outlets?
• Which outcome increases when a desert dune field’s vegetation cover falls?
• Which geological outcome primarily results when denser oceanic crust subducts under less dense continental crust?
• Which outcome occurs when invasive earthworms alter forested soil?
• Which phenomenon primarily causes cave ecosystem collapse following heavy rainfall events?
• Which effect increases following sea ice melt amplification?