How Are Sand Dunes Formed?

How do desert dunes get made? I'm here to answer that!
Music Credit:
"Bleeping Demo"
Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
creativecommons.org/licenses/b...
Sources:
Lancaster, Nicholas. Geomorphology of Desert Dunes. 1995.
McKee, Edwin Dinwiddie. A Study of Global Sand Seas. 1979.
pubs.usgs.gov/gip/deserts/dunes/
Tchakerian, Vatche. Desert Aeolian Processes. 1996.
Tsoar, Haim. Wind Tunnel Modelling of Echo and Climbing Dunes. 1983.
Bristow, Charles. Ground Penetrating Radar in Aeolian Dune Sands. 2009.
Kenneth Pye, Haim Tsoar. Aeolian Sand and Sand Dunes. 2009.
solarsystem.nasa.gov/resource...
#dune

[@n.m01]

Your video is way more useful and informative than our professors lecture series! Thank you very much!

[@Boss__CQC]

I’m a painter and I’ve been looking to paint some desert scenes. I like to learn about the real life science behind what I’m painting, not only because I think it can help give it an authenticity, but also because it’s interesting to learn. It really helps in being able to construct natural formations when you have a grasp of how they are shaped/created in nature. Thank you for the info! I have a feeling your channel will blow up one day, the quality is great and you deserve more subscribers!

[@WarEagleWalrus]

THANK YOU, im researching dunes for my Landscape Architecture class and this is super helpful

[@PaulLovesVideoGames]

Your videos have so much work and passion made into them! I was very surprised when I found that your channel wasn't massive. The production value is high quality, I hope your channel grows so this can be shown to more people.

[@ReadTheUnderstory]

Thank you! Between the research, writing, recording, and editing, they definitely take a long time - but it's all worth it in the end!

[@lollertoaster]

Very informative, well presented and I really liked the demonstration with the balls. Good job.

[@shivamsuleria6718]

This is a very knowledgeable video. I love it

[@jollygrapefruit786]

Imagine if there was a project where someone would snap a picture of a dune range from the exact same location and angle once a year, and the tradition would be kept up for thousands of generations, and eventually someone could watch eons of time as the dunes crawl across the land like a living organism.

[@Willy_Tepes]

Imagine if someone explored the effect of large continuous mass of water flowing across the landscape and how that would deposit sediment. The sand-blown dune theory is wrong. Look at some satellite images!

[@Azib0]

Writing tomorrow, but this was helpful

[@kellyw976]

Great video, I really enjoyed it!

[@ReadTheUnderstory]

Thank you :)

[@Anouar_Adonis]

Thank you for the illustration. I think that figures are from Mckee (1979).

[@TheAlison1456]

i was about to complain about how you didn't mention any sources, but it's in the description 7:40 dune competition 👀 8:15 this on isn't in the description. The Physics of Blown Sandand Desert Dunes by R. A. Bagnold

[@ReadTheUnderstory]

I don't actually use R.A. Bagnold as a source. However, most of my sources definitely rely very heavily on the foundation Bagnold set.

[@user-mk8gi3hu5w]

That's amazingly helpful and useful for the relevant topic. One can not only understand the landforms but the continuous procedure of Dune formation. Would you please cover the other portions of Geomorphology?

[@ReadTheUnderstory]

Thank you! What other topic(s) in geomorphology would you be interested in seeing covered on this channel?

[@user-mk8gi3hu5w]

@@ReadTheUnderstory Thanks for responding. I would love to see other Geomorphological processess and landforms namely Glacial, Fluvial, Coastal etc.

[@Willy_Tepes]

The problem is that sand dunes are not created by wind, they are created by water. This is obvious if you look at satellite images. There is also the issue of dunes that contain gravel and rocks as in Libya and many other places, these are clearly not created by wind. Only water can create parallel, straight dunes that go on for hundreds of kilometers. You can see the effect of water velocity on the deposition of sediment, and also interference patterns where waves have reflected off a coastline. The wind blown theory has never been experimentally proven. Star dunes and dome dunes are an effect of wave interference on a lake bed.

[@khurramsaleem2478]

i don’t get it 😢😢😢😢😢😢

[@Willy_Tepes]

That is because the theory is wrong. It was water that created these dunes.