Direct-push hydrostratigraphic profiling: Coupling electrical logging and slug tests
Ground Water
By: S.M. Sellwood, J.M. Healey, S. Birk, and J.J. Butler Jr.
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Abstract
Spatial variations in hydraulic conductivity (K) can significantly affect the transport of contaminants in ground water. Conventional field methods, however, rarely provide a description of these variations at the level of detail necessary for reliable transport predictions and effective remediation designs. A direct-push (DP) method, hydrostratigraphic profiling, has been developed to characterize the spatial variability of both electrical conductivity (EC) and hydraulic conductivity in unconsolidated formations in a cost-effective manner. This method couples a dual-rod approach for performing slug tests in DP equipment with high-resolution EC logging. The method was evaluated at an extensively studied site in the Kansas River floodplain. A series of profiles was performed on a surface grid, resulting in a detailed depiction of the three-dimensional distribution of EC and K. Good agreement was found between K estimates obtained from this approach and those obtained using other methods. The results of the field evaluation indicate that DP hydrostratigraphic profiling is a promising method for obtaining detailed information about spatial variations in subsurface properties without the need for permanent wells.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Direct-push hydrostratigraphic profiling: Coupling electrical logging and slug tests |
| Series title | Ground Water |
| DOI | 10.1111/j.1745-6584.2005.tb02282.x |
| Volume | 43 |
| Issue | 1 |
| Year Published | 2005 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Ground Water |
| First page | 19 |
| Last page | 29 |
| Google Analytic Metrics | Metrics page |