Articles | Volume 18, issue 12
Hydrol. Earth Syst. Sci., 18, 5255–5269, 2014
Hydrol. Earth Syst. Sci., 18, 5255–5269, 2014
Research article
16 Dec 2014
Research article | 16 Dec 2014

Relations between macropore network characteristics and the degree of preferential solute transport

M. Larsbo et al.

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Short summary
The characteristics of the macropore network determine the potential for fast transport of solutes through soil. Such characteristics computed from 3-dimensional X-ray tomography images were combined with measured solute breakthrough curves and near-saturated hydraulic conductivities. At a given flow rate, smaller macroporosities, poorer local connectivity of the macropore network and smaller near-saturated hydraulic conductivities resulted in a greater degree of preferential transport.