Movie:Density Current: Difference between revisions
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{{Attribute movie1 | {{Attribute movie1 | ||
|Movie domain = coastal, marine | |Movie domain=coastal, marine | ||
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{{Attribute movie2 | {{Attribute movie2 | ||
|Movie keywords = turbidity current, subcritical flow | |Movie keywords=turbidity current, subcritical flow | ||
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{{Attribute movie3 | {{Attribute movie3 | ||
|First name contributor=Mike | |First name contributor=Mike | ||
|Last name contributor =Lamb | |Last name contributor=Lamb | ||
|Location movie=Earth Surface Dynamics Laboratory at CalTech | |Location movie=Earth Surface Dynamics Laboratory at CalTech | ||
|Timespan movie=Approximately 4 minutes. The movie is speeded up 2X for the head , and 8X for the body. | |Timespan movie=Approximately 4 minutes. The movie is speeded up 2X for the head , and 8X for the body. | ||
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{{Movie description | {{Movie description | ||
|Grade level=Under graduate (13-16), Graduate / Professional | |Grade level=Under graduate (13-16), Graduate / Professional | ||
|One-line movie description = A density current in a flume. This process is studied to learn more about turbidity currents filling mini-basins along the continental shelf slope into the deep marine environment. | |One-line movie description=A density current in a flume. This process is studied to learn more about turbidity currents filling mini-basins along the continental shelf slope into the deep marine environment. | ||
|Extended movie description=You can see a tilted flume with two velocity measurement propellors at the start of the movie. Note the think layer of sediment on the bttom, which represents the sea floor sediment. | |Extended movie description=You can see a tilted flume with two velocity measurement propellors at the start of the movie. Note the think layer of sediment on the bttom, which represents the sea floor sediment. | ||
Then the experimenters release a mix of water and sediment (it is colored pink for contrast) into the top of the flume. Because this mix is denser than the original water column, a density current forms and rapidly travels along the bottom slope of the flume. This current even is capable of eroding the original flume bed.This experiment mimicks the sediment transport of a turbidite along a deep-marine slope. | Then the experimenters release a mix of water and sediment (it is colored pink for contrast) into the top of the flume. Because this mix is denser than the original water column, a density current forms and rapidly travels along the bottom slope of the flume. This current even is capable of eroding the original flume bed.This experiment mimicks the sediment transport of a turbidite along a deep-marine slope. | ||
Latest revision as of 16:20, 21 June 2017
Information Page: Density Current
Play Laboratory
Density Current
Key Attributes
| Domain: | coastal, marine |
| Keywords: | turbidity current, subcritical flow |
| Model name: | Animation model name |
| Name: | Mike, Lamb |
| Where: | Earth Surface Dynamics Laboratory at CalTech |
| When: | Approximately 4 minutes. The movie is speeded up 2X for the head , and 8X for the body. |
Short Description
Grade level: Under graduate (13-16), Graduate / Professional
Statement: A density current in a flume. This process is studied to learn more about turbidity currents filling mini-basins along the continental shelf slope into the deep marine environment.
Abstract: You can see a tilted flume with two velocity measurement propellors at the start of the movie. Note the think layer of sediment on the bttom, which represents the sea floor sediment. Then the experimenters release a mix of water and sediment (it is colored pink for contrast) into the top of the flume. Because this mix is denser than the original water column, a density current forms and rapidly travels along the bottom slope of the flume. This current even is capable of eroding the original flume bed.This experiment mimicks the sediment transport of a turbidite along a deep-marine slope.
This experiment was implemented in the tilting flume in the Earth Surface Dynamics Modeling Lab at Caltech. https://esp.gps.caltech.edu/earth-surface-dynamics-laboratory
Theory
Links
References
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