Tributary Incision Caused by Main Channel Incision

Tributary Incision Caused by Main Channel Incision
This clip shows how headcutting and incision in a main channel influences a smaller tributary. Sediment is removed from the larger channel (here using an aspirator, out of the frame to the right) causing it to incise. The headcutting and incision affect both the main channel and the smaller tributary. Dye pulses show velocity and relative depth. Note how incision is indicated by the formation of terraces in both channels.

This has many applications to real world problems. This demonstration shows how tributaries are influenced by vertical instability such as that caused by channelization.

File 19079 is a 8.5MB MP4 Video
Uploaded: Jul31 17
Last Modified: 2017-07-31 12:53:11
https://serc.carleton.edu/download/files/19079/river_geomorphology_emr_16.v4.mp4

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Developed by Little River Research and Design.
http://www.emriver.com
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