SH3741 : The elbow of capture on the upper Erch

taken 10 years ago, near to Llwyndyrys, Gwynedd, Great Britain

The elbow of capture on the upper Erch
The elbow of capture on the upper Erch
An 'elbow of capture' marks the point of diversion of the headwaters of a stream into that of a neighbouring stream. River capture results from rapid headward erosion by one stream until it cuts into the course of its neighbour, causing the headwaters of that stream to be diverted. The former course downstream of the diversion is either left as a dry gap (sometimes called a wind gap) or occupied by a short misfit stream. Here, the abandoned valley below the elbow can be seen on the right of the photo. It is occupied by a small tributary of the Erch.

SH3741 : 'Elbow of Capture' on the upper Erch
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SH3741, 63 images   (more nearby )
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Date Taken
Wednesday, 13 February, 2008   (more nearby)
Friday, 29 February, 2008
River capture   (more nearby)
Subject Location
OSGB36: geotagged! SH 370 416 [100m precision]
WGS84: 52:56.8189N 4:25.5748W
Camera Location
OSGB36: geotagged! SH 371 416
View Direction
Southwest (about 225 degrees)
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Image classification(about): Geograph
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