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. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: Appl Geochem. 2008 Nov;23(11):3019–3028. doi: 10.1016/j.apgeochem.2008.07.005

Fig. 3.

Fig. 3

Predicted distribution of groundwater As concentrations along a flowpath according to the advection-diffusion model described in van Geen et al. (2008) after 50, 500 and 5000 a for Kds of 4 and 40 cm3/g. Note the logarithmic scale of distance along the flow path. Also shown is the likely 50–500 m range of lengths of flow paths from recharge to discharge areas within shallow aquifers.