Variation of hydraulic conductivity in sandy glacial till: site variation versus methodology.
Source:
Rayne, T. W.
Variation of hydraulic conductivity in sandy glacial till: site variation versus methodology.
Madison, Wisconsin: Wisconsin Department of Natural Resources, 1992
The sandy till of the Green Bay Lobe in Wisconsin is mapped as the Horicon Formation, a lithostratigraphic term that implies that certain properties of the unit can be recognized everywhere it occurs. A compilation of a limited number of hydrogeological studies of the Horicon Formation by Rodenbeck (1988) showed that hydraulic conductivity varies over three orders of magnitude in a medium that appears texturally and lithologically homogeneous. The overall objectives of this study were: (1) to determine if this appartent heterogeneity is real of a result of different testing methods at different scales, and (2) to examine the effects of the scale of measurement on different methods of determining hydraulic conductivity in such materials.
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Variation of hydraulic conductivity in sandy glacial till: site variation versus methodology
[Figures], pp. Figure 1-Table 3
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