Geography • Physical GeographyEasy
In the context of fluvial landforms, an oxbow lake is formed when:
A. A glacier carves out a deep U-shaped valley that gets flooded
B. A meander loop is cut off from the main river channel during a flood✓ Correct Answer
C. Tectonic activity blocks a river valley, creating an impoundment
D. Sinkholes coalesce in a karst landscape and fill with water
💡 Solution & Explanation
An oxbow lake is created when continuous erosion on the outer banks of a meandering river narrows the neck of a loop, allowing the river to breach the neck during a flood and bypass the meander, sealing off the ends to form a crescent-shaped lake. Glaciers carve U-shaped valleys rather than meandering river loops.
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