Movie:A simulation of river bedforms: Difference between revisions
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Revision as of 11:03, 3 March 2015
Information Page: A simulation of river bedforms
Play Laboratory
Key Attributes
| Domain: | hydrology |
| Model name: | Animation model name |
| Name: | Mohammed, Nabi |
| Where: | at the bottom of a river |
| When: | months |
Short Description
Grade level: Under graduate (13-16), Graduate / Professional
Statement: Bedforms moving at the bottom of a river
Abstract: Simulation of river bedform by large eddy simulation (LES), and sediment as spherical particles.
Related papers are:
doi: 10.1002/wrcr.20457
doi: 10.1002/wrcr.20303
doi: 10.1029/2012WR011911
Theory
The flow of water in rivers over loose sediments can lead to self organizing patterns, such as the ripples presented in this simulation.
Generally, as the strength of the flow of water increases, low-flow bed forms evolve from a flat surface, to ripples, and then dunes. As higher flows occur, anti-dunes and eventually pools and chutes form.
For more information see the related papers:
doi: 10.1002/wrcr.20457 doi: 10.1002/wrcr.20303 doi: 10.1029/2012WR011911
Links
http://ws3-er.eng.hokudai.ac.jp/dpr/dpr eng/?page id=455
References
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