Use of synchrotron tomographic techniques in the assessment of diffusion parameters for solute transport in groundwater flow
Betson, Mark, Barker, John, Barnes, Paul and Atkinson, Tim (2005) Use of synchrotron tomographic techniques in the assessment of diffusion parameters for solute transport in groundwater flow. Transport in Porous Media, 60, (2), 217-223. (doi:10.1007/s11242-004-5737-0).
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Description/Abstract
This technical note describes the use of time-resolved synchrotron radiation tomographic energy dispersive diffraction imaging (TEDDI) and tomographic X-ray fluorescence (TXRF) for examining ion diffusion in porous media. The technique is capable of tracking the diffusion of several ion species simultaneously. This is illustrated by results which compare the movement of Cs+, Ba2+ and La3+ ions from solution into a typical sample of English chalk. The results exhibited somewhat anomalous (non-Fickian) behaviour and revealed heterogeneities (in 1D) on the scale of a few millimetres.
| Item Type: | Article |
|---|---|
| ISSNs: | 0169-3913 (print) |
| Related URLs: | |
| Keywords: | porosity structure, diffusion, hydrogeology, synchrotron, X-ray, tomography, tracing |
| Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Civil Engineering and the Environment |
| Item ID: | 48129 |
| Date Deposited: | 29 Aug 2007 |
| Last Modified: | 01 Jun 2011 00:16 |
| Contributors: | Betson, Mark (Author) Barker, John (Author) Barnes, Paul (Author) Atkinson, Tim (Author) |
| Date: | August 2005 |
| Status: | Published |
| Contact Email Address: | J.A.Barker@soton.ac.uk |
| URI: | http://eprints.soton.ac.uk/id/eprint/48129 |
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