Model:BedrockAlluvialTransition: Difference between revisions
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|Country=USA | |Country=USA | ||
|Email address=parkerg@illinois.edu | |Email address=parkerg@illinois.edu | ||
|Phone=217 244-5159 | |Phone=217 244-5159 | ||
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{{Model identity | {{Model identity | ||
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|Spatialscale=Watershed-Scale | |Spatialscale=Watershed-Scale | ||
|One-line model description=-- | |One-line model description=E-book: calculator for aggradation and degradation with a migrating bedrock-alluvial transition at the upstream end. | ||
|Extended model description=-- | |Extended model description=This program computes fluvial aggradation/degradation with a bedrock-alluvial transition. The bedrock-alluvial transition is located at a point sba(t) which is free to change in time. A bedrock basement channel with slope Sb is exposed from x = 0 to sba(t); it is covered with alluvium from x = sba(t) to x = sd, where sd is fixed. Initially sba = 0. The bedrock basement channel is assumed to undergo no incision on the time scales at which the alluvial reach responds to change. In computing bed level change on the alluvial reach, the normal (steady, uniform) flow approximation is used. Base level is maintained at x = sd, where bed elevation h = 0. The Engelund-Hansen relation is used to compute sediment transport rate, so the analysis is appropriate for sand-bed streams. Resistance is specified in terms of a constant Chezy coefficient Cz. | ||
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{{Model technical information | {{Model technical information |
Revision as of 15:27, 19 October 2010
Contact
Name | Gary Parker |
Type of contact | Model developer |
Institute / Organization | University of Illinois at Urbana-Champaign |
Postal address 1 | 205 North Mathews Ave |
Postal address 2 | |
Town / City | Urbana |
Postal code | 61801 |
State | Illinois |
Country | USA"USA" is not in the list (Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, ...) of allowed values for the "Country" property. |
Email address | parkerg@illinois.edu |
Phone | 217 244-5159 |
Fax |
BedrockAlluvialTransition
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