Abstract
A model proposed by BBrner et al. (1996) for the determination of saturated hydraulic conductivity from Spectral Induced Polarization (SIP) measurements was applied to laboratory data collected on various unconsolidated samples. Adjustment of the model parameters was required to fit hydraulic conductivity measurements obtained from flow tests. A single set of model parameters was not appropriate for hydraulic conductivity estimation across the range of unconsolidated sediments investigated. However, the model performed relatively well on individual subsets of unconsolidated sediments, suggesting that the SIP method could be used to obtain field ‘order of magnitude’ estimates of hydraulic conductivity, given correct selection of the parameters for the type of sediment investigated. Saturation effects were also investigated. The presence of a dominant low frequency dispersion was observed to develop with drying of a glacial till.
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