Thalweg.The thalweg is the fastest and strongest part of a river. It erodes the outerside of the river bank called the cut bank. The slowest and weakest part of the river is on the other side where the slow current causes deposition of sediment in a point bar.

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Thalweg

http://aerialgeologist.blogspot.com/2015/04/thawing-thalweg.html

The thalweg is the fastest and strongest part of a river. It erodes the outerside of the river bank called the cut bank. The slowest and weakest part of the river is on the other side where the slow current causes deposition of sediment in the point bar.

Edwin Lyon 2017