Articles | Volume 19, issue 9
https://doi.org/10.5194/hess-19-3991-2015
https://doi.org/10.5194/hess-19-3991-2015
Technical note
 | 
25 Sep 2015
Technical note |  | 25 Sep 2015

Technical Note: The use of an interrupted-flow centrifugation method to characterise preferential flow in low permeability media

R. A. Crane, M. O. Cuthbert, and W. Timms

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Short summary
We present an interrupted-flow centrifugation technique to characterise the vertical hydraulic properties of dual porosity, low permeability media. Use of large core samples (100mm diameter) enables hydraulic-conductivity-scale issues in dual porosity media to be overcome. Elevated centrifugal force also enables simulating in situ total stress conditions. The methodology is an important tool to assess the ability of dual porosity aquitards to protect underlying aquifer systems.