DepthDependentTaylorDiffuser

This component implements a depth-dependent Taylor series diffusion rule

soil creephillslopediffusion

true

Contributor(s)

Initial contribute: 2021-09-12

Authorship

:  
rachel.glade@colorado.edu
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Classification(s)

Application-focused categoriesNatural-perspectiveLand regions
Application-focused categoriesIntegrated-perspectiveRegional scale
Method-focused categoriesProcess-perspectivePhysical process calculation

Detailed Description

English {{currentDetailLanguage}} English

quoted from:https://csdms.colorado.edu/wiki/Model:DepthDependentTaylorDiffuser

Hillslope sediment flux uses a Taylor Series expansion of the Andrews-Bucknam formulation of nonlinear hillslope flux derived following following Ganti et al., 2012 with a depth dependent component inspired Johnstone and Hilley (2014). The flux :math:`q_s` is given as:

q_s = DSH^* ( 1 + (S/S_c)^2 + (S/Sc_)^4 + .. + (S/S_c)^2(n-1) ) (1.0 - exp( H / H^*)

where :math:`D` is is the diffusivity, :math:`S` is the slope, :math:`S_c` is the critical slope, :math:`n` is the number of terms, :math:`H` is the soil depth on links, and :math:`H^*` is the soil transport decay depth. The default behavior uses two terms to produce a slope dependence as described by Equation 6 of Ganti et al., (2012).This component will ignore soil thickness located at non-core nodes.

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Rachel Glade (2021). DepthDependentTaylorDiffuser, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/530e963b-38de-421f-b62b-e154c4800531
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Contributor(s)

Initial contribute : 2021-09-12

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Authorship

:  
rachel.glade@colorado.edu
Is authorship not correct? Feed back

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