Movie:Delta lab experiment: Difference between revisions
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|Grade level=Middle (6-8), High (9-12), Under graduate (13-16), Graduate / Professional | |Grade level=Middle (6-8), High (9-12), Under graduate (13-16), Graduate / Professional | ||
|One-line movie description=Autogenic Storage and Release | |One-line movie description = Autogenic Storage and Release | ||
|Extended movie description=This movie shows an experimental delta built into standing water (constant depth of 3 cm). All external controls are constant (sediment flux, water discharge, base level changes). Fluvial system alternates between sediment release (channelization) and sediment storage (sheet flow). | |Extended movie description=This movie shows an experimental delta built into standing water (constant depth of 3 cm). All external controls are constant (sediment flux, water discharge, base level changes). Fluvial system alternates between sediment release (channelization) and sediment storage (sheet flow). | ||
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Revision as of 13:34, 1 June 2015
Information Page: Delta lab experiment
Play Laboratory
Lab experiment of growing delta with all external controls kept constant.
Key Attributes
| Domain: | coastal, marine |
| Keywords: | Laboratory experiments |
| Model name: | |
| Name: | Erica, Powell |
| Where: | Nagasaki University, Japan |
| When: | 3:00 min |
Short Description
Grade level: Middle (6-8), High (9-12), Under graduate (13-16), Graduate / Professional
Statement: Autogenic Storage and Release
Abstract: This movie shows an experimental delta built into standing water (constant depth of 3 cm). All external controls are constant (sediment flux, water discharge, base level changes). Fluvial system alternates between sediment release (channelization) and sediment storage (sheet flow).
Theory
Fluvial system alternates between sediment storage and release due to autogenic slope fluctuations on the deltaic surface. Shoreline progradation rates increase during release events and slow during sediment storage. This process is entirely autogenic (internally generated, i.e., no external controls were changing to induce this process).
Links
References
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