Meandering Rivers

Meandering rivers have distinctive migration patterns and deposit distinctive sediments, which I describe here. You can also see my lecture notes on rivers at http://dawnssedstrat.blogspot.com/2011/02/rivers.html

Category:

Education

Tags:

• sediment
• sedimentology
• geology
• stratigraphy
• science

[Aidoplaydough]

2:34 its called a Billabong in Australia for any aussies out there watching this :)

[sumnerd]

@Aidoplaydough "Billabong" is a much better term than "Oxbow Lake"! How many people know what an oxbow is? And "billabong" has a great sound to it. I think, though, that dry season lakes in channel meanders that flow during the wet season, but not the dry season, are also informally called billabongs. These are lakes only part of the year and often have sand deposits from wet-season flow - the ones I've seen in the Kimberley are mostly sandy.

[XMARINEX9]

you never talked about pools and riffles within the river which causes the formation of meanders and you never mentioned helicoidal flow in the explanation of the cross section but still it was a good explanation of how meanders work.

[sumnerd]

Yes, I don't talk about many of the very interesting details of meandering rivers. My goal with these videos is to provide a conceptual framework for understanding important processes. I also try to keep the video less that 4 minutes, and I really failed on this video even leaving out very important flow characteristics. Can I suggest you make a video with these details?

[universeiswise]

@XMARINEX9 yep i think this lecture is for prep school level, anyone who knows a river has this information intuitavly tuned in hours

[sumnerd]

@universeiswise Many people don't know rivers, and there are many fantastic resources on rivers with lots of details. I've chosen to focus most of my videos on the most basic concepts. Prep school students and their teachers appreciate videos at this level, and some more advanced students appreciate a clear explanation of the most basic processes. I strongly encourage others to make videos that meet other needs. Rivers are fascinating, complex features of great importance to society!

[AnnaEvolut]

i love your videos! i get so excited about this stuff and you explain it wonderfully. just wanted to say THANKS!

[universeiswise]

@universeiswise although that may have been harsh.... sumnerd i am sure you are a good american proffessor.... why not give us a little youtube clip on Standing Waves & their significance in deposition of sand and silt. . . i.e surfers & salmon!

[taminqwer]

good explanation.thanks.

[Lovelastiing]

thanks. i need this for tmr's geography exam :)

[lotvdben]

I finnaly understand how its cut off! :D The drawing is really clear!

[WinterHugs]

thank you for this! I have been hopelessly stydying for GCSE geography and i couldn't get my head into understanding and learning all of these processes, but i understand it now!