Meander cutoff

Umlaufberg called the ground level in a flow loop that is left over after their breakthrough, or will remain at an impending breakthrough.

In meandering rivers reaches the erosion on the outer banks of river bends, the so-called baffle slopes, particularly strong, because on this side the flow is stronger. Therefore percussion slopes migrate over time further out. The cut bank at the inlet to a flow loop and the output approach each other more and more, to the breakthrough. After that, a small island is developed, which is well encircled by water, the Umlaufberg. More and more of the river water takes the opened and shorter gradient richer way, on the long and old through the cut loop remains a backwater, which silted up over time.

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