SEDL / STP / STP1118-EB / STP19121S

Geoelectrics in Comprehensive Ground Water Contamination Studies

Mazac, O
geophysicistschairman, Geofyzika, N.C., Geologicka 2University of Nebraska, Prague 5, BarrandovLincoln, NE

Kelly, WE
geophysicistschairman, Geofyzika, N.C., Geologicka 2University of Nebraska, Prague 5, BarrandovLincoln, NE

Landa, I
geophysicistschairman, Geofyzika, N.C., Geologicka 2University of Nebraska, Prague 5, BarrandovLincoln, NE

Pages: 11    Published: Jan 1992

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Abstract

A suite of geoelectric techniques were used to characterize an aquifer for a pollution study. Vertical electrical soundings were used to define aquifer layer resistivities and thicknesses. Porosities, hydraulic conductivities, and transmissivities were then estimated from the resistivities and thicknesses. The mise-a-la-masse method was used to define direction of flow, tracer velocity, and dispersion coefficients. Finally, borehole logging was used to obtain additional information on porosities and velocities.