Articles | Volume 3, issue 4
SOIL, 3, 177–189, 2017
SOIL, 3, 177–189, 2017
Original research article
23 Oct 2017
Original research article | 23 Oct 2017

Quantitative imaging of the 3-D distribution of cation adsorption sites in undisturbed soil

Hannes Keck et al.

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Cited articles

Ahmed, S., Klassen, T. N., Keyes, S., Daly, M., Jones, D. L., Mavrogordato, M., Sinclair, I., and Roose, T.: Imaging the interaction of roots and phosphate fertiliser granules using 4D X-ray tomography, Plant Soil, 401, 125–134,, 2016.
Bhattacharyya, K. G. and Gupta, S. S.: Adsorption of a few heavy metals on natural and modified kaolinite and montmorillonite: A review, Adv. Colloid Interface Sci., 140, 114–131,, 2008.
Bodek, I., Lyman, W. J., Reehl, W. F., and Rosenblatt, D. H. (Eds.): Environmental inorganic chemistry: properties, processes, and estimation methods, Pergamon Press, New York, 1988.
Bradl, H. B.: Adsorption of heavy metal ions on soils and soils constituents, J. Colloid Interface Sci., 277, 1–18,, 2004.
Bundt, M., Jäggi, M., Blaser, P., Siegwolf, R., and Hagedorn, F.: Carbon and Nitrogen Dynamics in Preferential Flow Paths and Matrix of a Forest Soil, Soil Sci. Soc. Am. J., 65, 1529–1538,, 2001a.
Short summary
Several studies have shown that the cation adsorption sites in soils are heterogeneously distributed in space. In many soil system models this knowledge is not included yet. In our study we proposed a new method to map the 3-D distribution of cation adsorption sites in undisturbed soils. The method is based on three-dimensional X-ray scanning with a contrast agent and image analysis. We are convinced that this approach will strongly aid the development of more realistic soil system models.