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Incised Meanders...

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By Fahtema and Lauren

Ingrown

Ingrown meanders are asymmetrical. They form when the river downcuts at a less rapid pace, giving the river opportunity to erode laterally as well as vertically.Ingrown meanders are those with a pronounced asymmetry of cross section, which would normally develop under slower incision.

Entrenched

Entrenched meanders are symmetrical and form when the river downcuts particularly quickly. Due to the speed which the river downcuts, there is little opportunity for lateral erosion to occur giving them their symmetrical shape.

Incised meanders are meanders which are particularly well developed and occur when a river’s base level has fallen giving the river a large amount of vertical erosion power, allowing it to downcut.

There are two types of incised meanders:

- entrenched meanders

- ingrown meanders

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