Fig. 6

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Normalized aqueous tracer outlet concentration profiles simulated using first- and second-order schemes when refining the gridblock size to with n = 1, 2, 4, 8, 16 and Δr
0 = 0.56 m the coarsest gridblock size. Evolutions of the maximum peak amplitude and of the non normalized concentration profiles mid height width as a function of
are reported in Figure 9.