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No but possible +
No but possible +
No but possible +
Single Processor +
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15:33:14, 29 October 2015 +
You can vary the initial slope, wave periods, wave heights, and sediment fall velocity (a proxy for sediment size). +
It outputs all the variables used in the advection-diffusion equation describing bed evolution for both shallow water wave assumptions (all labeled as *_s) and linear theory (labeled as *_lh). +
Using energetics-based formulations for wa … Using energetics-based formulations for wave-driven sediment transport, we develop a robust methodology for estimating the morphodynamic evolution of a cross-shore sandy coastal profile. The wave-driven cross-shore</br>sediment flux depends on three components: two onshore-directed terms (wave asymmetry and wave streaming) and an offshore-directed slope term. The cross-shore sediment transport formulation defines a dynamic equilibrium profile and, by perturbing about this steady-state profile, we present an advection-diffusion formula for profile evolution. Morphodynamic Péclet analysis suggests that the shoreface is diffusionally dominated. Using this depth-dependent characteristic diffusivity timescale, we distinguish a morphodynamic depth of closure for a given time envelope. Even though wave-driven sediment transport can (and will) occur at deeper depths, the rate of morphologic bed changes in response to shoreline change becomes increasingly slow below this morphodynamic closure depth.ow below this morphodynamic closure depth. +
The Cross-Shore Sediment Flux model addres … The Cross-Shore Sediment Flux model addresses predominately sandy, wave-dominated coastlines on time-scales ranging from years to millenia and on spatial scales ranging from kilometers to tens of kilometers using a range of wave parameters as inputs. It calculates the cross-shore sediment flux using both shallow water wave assumptions and full Linear Airy wave Theory. An equilibrium profile is also created. Using the Exner equation, we develop an advection diffusion equation that describes the evolution of profile through time. A morphodynamic depth of closure can be estimated for each input wave parameter.e estimated for each input wave parameter. +
Alejandra +
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0.1 +
Coastal +
equations +, sediment +, flux +, cross-shore +, cross-shore sediment flux +, addresses predominately sandy +, sediment flux model +, spatial scales ranging +, flux model addresses +, model addresses predominately +, sediment flux +, cross-shore sediment +, airy wave theory +, linear airy wave +, predominately sandy +, wave-dominated coastlines +, full linear airy +, time-scales ranging +, ranging from years +, coastal sediment transport +, coastal evolution + and cross shore sediment flux +
As code +
Single +
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02:15:57, 17 September 2020 +
1 +
Cross-Shore Sediment Flux Equations +
02543 +
false +
false +
GPL v2 +
Matlab +
Through CSDMS repository +
https://github.com/csdms-contrib/Cross_Shore_Sediment_Flux +
Landscape-Scale +
Model developer +
