Mathematical and numerical analysis of a stratigraphic model
Véronique Gervais, Roland Masson (2010)
ESAIM: Mathematical Modelling and Numerical Analysis
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In this paper, we consider a multi-lithology diffusion model used in stratigraphic modelling to simulate large scale transport processes of sediments described as a mixture of lithologies. This model is a simplified one for which the surficial fluxes are proportional to the slope of the topography and to a lithology fraction with unitary diffusion coefficients. The main unknowns of the system are the sediment thickness , the surface concentrations in lithology of the sediments...