Model:1DBreachingTurbidityCurrent: Difference between revisions
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| | |ModelDomain=Coastal | ||
|Spatial dimensions=1D | |Spatial dimensions=1D | ||
|Spatialscale=Watershed-Scale | |Spatialscale=Watershed-Scale | ||
|One-line model description=1D Breaching Turbidity current model for generating continuous turbidity currents | |One-line model description=1D Breaching Turbidity current model for generating continuous turbidity currents | ||
|Extended model description=-- | |Extended model description=The term “breaching” refers to the slow, retrogressive failure of a steep subaqueous slope, so forming a nearly vertical turbidity current directed down the face. This mechanism, first identified by the dredging industry, has remained largely unexplored, and yet evidence exists to link breaching to the formation of sustained turbidity currents in the deep sea. The model can simulate a breach-generated turbidity current with a layer-averaged formulation that has at its basis the governing equations for the conservation of momentum, water, suspended sediment and turbulent kinetic energy. In particular, the equations of suspended sediment conservation are solved for a mixture of sediment particles differing in grain size. In the model the turbidity current is divided into two regions joined at a migrating boundary: the breach face, treated as vertical, and a quasi-horizontal region sloping downdip. In this downstream region, the bed slope is much lower (but still nonzero), and is constructed by deposition from a quasi-horizontal turbidity current. The model is applied to establish the feasibility of a breach-generated turbidity current in a field setting, using a generic example based on the Monterey Submarine Canyon, offshore California, USA. | ||
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{{Model keywords | |||
|Model keywords=turbidity current | |||
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{{End a table}} | {{End a table}} | ||
{{Modeler information | {{Modeler information | ||
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|End year development=2011 | |End year development=2011 | ||
|Model availability=As code | |Model availability=As code | ||
|Source code availability=Through | |Source code availability=Through CSDMS repository | ||
|Source web address=https://github.com/csdms-contrib/1DBreachingTurbidityCurrent | |Source csdms web address=https://github.com/csdms-contrib/1DBreachingTurbidityCurrent | ||
|Program license type=GPL v3 | |Program license type=GPL v3 | ||
|Memory requirements=-- | |Memory requirements=-- | ||
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{{Process description model | {{Process description model | ||
|Describe processes represented by the model=See Eke, E., Viparelli, E., and Parker, G., 2011. Field-scale numerical modeling of breaching as a mechanism for generating continuous turbidity currents. Geosphere, 7, 1063-1076. Doi: 10.1130/GES00607.1 | |Describe processes represented by the model=The model solves both Gary Parker's three and four equation models for sediment mixtures. A condition was incorporated in the model to solve the equation of conservation of turbulent kinetic energy (fourth equation) and to decide how to estimate the friction coefficients. <br><br>See also: Eke, E., Viparelli, E., and Parker, G., 2011. Field-scale numerical modeling of breaching as a mechanism for generating continuous turbidity currents. Geosphere, 7, 1063-1076. Doi: 10.1130/GES00607.1 | ||
|Describe key physical parameters and equations=See Eke, E., Viparelli, E., and Parker, G., 2011. Field-scale numerical modeling of breaching as a mechanism for generating continuous turbidity currents. Geosphere, 7, 1063-1076. Doi: 10.1130/GES00607.1 | |Describe key physical parameters and equations=See: Eke, E., Viparelli, E., and Parker, G., 2011. Field-scale numerical modeling of breaching as a mechanism for generating continuous turbidity currents. Geosphere, 7, 1063-1076. Doi: 10.1130/GES00607.1 | ||
|Describe length scale and resolution constraints=-- | |Describe length scale and resolution constraints=-- | ||
|Describe time scale and resolution constraints=-- | |Describe time scale and resolution constraints=-- | ||
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{{Additional comments model}} | {{Additional comments model}} | ||
{{CSDMS staff part | {{CSDMS staff part | ||
|OpenMI compliant=No | |OpenMI compliant=No but possible | ||
|IRF interface=No | |IRF interface=No but possible | ||
|CMT component= | |CMT component=No but possible | ||
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== References == | == References == | ||
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== Issues == | == Issues == |
Latest revision as of 20:18, 16 September 2020
1DBreachingTurbidityCurrent
Metadata
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Introduction
History
References
Nr. of publications: | 1 |
Total citations: | 23 |
h-index: | 1 |
m-quotient: | 0.08 |
Featured publication(s) | Year | Model described | Type of Reference | Citations |
---|---|---|---|---|
Eke, Esther; Viparelli, Enrica; Parker, Gary; 2011. Field-scale numerical modeling of breaching as a mechanism for generating continuous turbidity currents. Geosphere, 7, 1063–1076. 10.1130/GES00607.1 (View/edit entry) | 2011 | 1DBreachingTurbidityCurrent |
Model overview | 23 |
See more publications of 1DBreachingTurbidityCurrent |