Articles | Volume 375
https://doi.org/10.5194/piahs-375-29-2017
https://doi.org/10.5194/piahs-375-29-2017
03 Mar 2017
 | 03 Mar 2017

The potential for gamma-emitting radionuclides to contribute to an understanding of erosion processes in South Africa

Ian D. L. Foster, John Boardman, Adrian L. Collins, Ruth Copeland-Phillips, Nikolaus J. Kuhn, Tim M. Mighall, Simon Pulley, and Kate M. Rowntree

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SMART – Sediment Mitigation Actions for the River Rother, UK
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Proc. IAHS, 375, 35–39, https://doi.org/10.5194/piahs-375-35-2017,https://doi.org/10.5194/piahs-375-35-2017, 2017
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Cited articles

Boardman, J., Favis-Mortlock, D. T., and Foster, I. D. L.: A 13-year record of erosion on badland sites in the Karoo, South Africa, Earth Surf. Proc. Land., 40, 1964–1981, 2015.
Bracken, L. J., Turnbull, L., Wainwright, J., and Bogaart, P.: Sediment connectivity: a framework for understanding sediment transfer at multiple scales, Earth Surf. Proc. Land., 40, 177–188, 2015.
Clark, V. R., Barker, N. P., and Mucina, L.: The Sneeuberg: a new centre of floristic endemism on the Great Escarpment, South Africa, S. Afr. J. Bot., 75, 196–238, 2009.
Foster, I. D. L., Boardman, J., and Keay-Bright, J.: Sediment tracing and environmental history for two small catchments, Karoo uplands, South Africa, Geomorphology, 90, 126–143, 2007.
Foster, I. D. L., Collins, A. L., Naden, P. S., Sear, D. A., Jones, J. I. and Zhang, Y.: The potential for paleolimnology to determine historic sediment delivery to rivers, J. Paleolimnol., 45, 287–306, 2011.
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The paper explores existing data bases relating to erosion and sediment transport in South Africa. It identifies a number of problems with using these and stresses the need to supplement existing data with a novel approach based on the use of sediments accumulating in small farm dams. These could provide directly comparable data by identifying a common time line in all dams using a radioactive fallout isotope called Caesium-137 that was first liberated into the global atmosphere in the 1950s.