Which outcome arises where a low-gradient river encounters localized bank erosion during flood conditions?

💡 Explanation

An oxbow lake forms via channel avulsion; increased bank erosion creates a straighter, lower-resistance path which the river takes because lateral migration creates a loop cut off via sediment deposition, therefore forming an oxbow lake, rather than downcutting.

• Which consequence results when deflation concentrates desert varnish?
• Which effect promotes plankton blooms when coastal upwelling transports deep water towards the surface?
• Which mechanism initiates oxbow lake formation in a meandering river system given constant flow?
• Which atmospheric phenomenon results when the subtropical jet stream weakens poleward of Hadley cells during summer?
• Which outcome occurs when intense rainfall follows logging?
• Which erosional feature results from differential freeze-thaw weathering within a glacial cirque headwall?