What type of lake is formed when a river cuts through the neck of a meander bend?

An oxbow lake is formed when a river cuts through the neck of a meander bend. This process occurs during periods of high water flow, when the river seeks a more direct route. As the river erodes the banks of the meander, it eventually creates a new channel. The meander loop is left isolated, and over time, sediment can build up, cutting off the flow from the river. The result is a U-shaped body of water known as an oxbow lake.

This type of lake is particularly interesting because it illustrates the dynamic nature of river systems and their ability to change course over time. The isolation from the main river results in distinct ecological and water quality characteristics, which can differ significantly from the river itself. This adaptability and evolution of river forms emphasizes the continuous interplay between erosion, sediment deposition, and the flow of water in shaping landscapes.