Modeling Regolith Diffusion
For shallow to moderate slopes, diffusional sediment flux is modeled linearly as (Culling, 1960; McKean et al., 1993)
where is the diffusion constant, and is slope. For steep slopes, diffusional sediment flux is more appropriately modeled as a non-linear function of slope (Roering et al., 1999)
where is the critical gradient for sliding of dry soil.
Read more about this topic: Downhill Creep
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