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Columbia +
United States +
Enrica +
University of South Carolina +
Viparelli +
South Carolina +
Model developer +
No but possible +
No but possible +
No but possible +
Single Processor +
Creation date"Creation date" is a predefined property that corresponds to the date of the first revision of a subject and is provided by <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
23:34:41, 27 January 2016 +
The codes have been validated against laboratory experiments which are described in Eke's MS thesis. The results are summarized in her thesis and in a conference paper that she presented in Vancouver. +
MS thesis +
Excel sheet. User can change initial geome … Excel sheet. User can change initial geometry data (slope at top of breach, initial height of breach face, initial bed slope in quasi-horizontal region, initial location of breach face, initial length of quasi-horizontal region); sediment grain size distribution; sediment properties (bed porosity, breach porosity, bed friction coefficient, wall friction coefficient, submerged specific gravity); and time evolution (time step, number of time steps, initial number of nodes in horizontal, print interval, calculation time).zontal, print interval, calculation time). +
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 +
Current thickness, velocity, and D50 for active layer and in suspension. +
The model solves both Gary Parker's three … 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/GES00607.1ents. Geosphere, 7, 1063-1076. Doi: 10.1130/GES00607.1 +
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The term “breaching” refers to the slow, r … 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.ubmarine Canyon, offshore California, USA. +
Esther +
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ASCII +
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0.07 +
Coastal +
breaching +, turbidity +, model +, generating +, turbidity current directed +, turbidity current +, steep subaqueous slope +, breach-generated turbidity current +, vertical turbidity current +, retrogressive failure +, sustained turbidity currents +, steep subaqueous +, quasi-horizontal turbidity current +, current directed +, current +, breach-generated turbidity +, monterey submarine canyon +, subaqueous slope + and 1dbreachingturbiditycurrent +
As code +
Media:Esther Eke.pdf +
turbidity current +
Single +
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15:45:52, 6 June 2025 +
1 +
1D Breaching Turbidity current model for generating continuous turbidity currents +
ASCII +
graphs in excel sheet +
84322 +
false +
false +
VB, excel +
GPL v3 +
-- +
Through CSDMS repository +
https://github.com/csdms-contrib/1DBreachingTurbidityCurrent +
Watershed-Scale +
2011 +
Windows +
Model developer +
