Wednesday, January 12, 2011

Helpful Videos - David Little

Here are a few videos from YouTube that are helpful in studying stream table meanders. There are a few more that I've found, but these are some I've found with the most data from the posters.

This first video was one that was viewed in class. Initially the video did not have any information posted, but after three of us posted comments and I sent an email to the museum exhibit people, they posted the following in the video description:

"The table is 7 feet long and 30" wide, minimal slope.

12 gallons per hour flow.

Over 100 iterations of material testing went into making this video."

http://www.youtube.com/watch?v=LOXWqBoxPZM

This next video has a channel pattern that has both meandering and braided elements. The most interesting thing is the meandering initiation in the first few seconds of the video.

http://www.youtube.com/watch?v=ZBoeI3ZX7us

This next video is one of a large series by the poster. I'm going to try to contact him at some point, as he seems to have taken careful notes in his experiments. This particular video appears to have decent meanders in it, though I don't see much migration. We should take the time to view more of his videos in order to watch migration. In the video description the poster wrote the following:

Meandering experiment with diatomacious earth and kaolinite clay
discharge = 15 ml/s
slope = 2%
material = DE:KC - 4:1"

http://www.youtube.com/watch?v=Y1X4aAfHpzw

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