This diagram shows the result of sediment accumulating in a stream (aggradation).
<a href="//commons.wikimedia.org/wiki/User:F%C3%BAlvio" title="User:Fúlvio">Fúlvio</a>
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<a href="//commons.wikimedia.org/wiki/File:Aggradation.png" title="File:Aggradation.png">Aggradation.png</a>