Several geoelectrical resistivity methods that may be used to determine the position and flow characteristics of underground water associated with carbonate bedrock and karst development are considered. The most promising method studied employs depth soundings patterned after Schlumberger. The plotting of half electrode separation against apparent resistivity yields a curve which may be used to discriminate between lateral and vertical inhomogeneities in bedrock. A network of depth soundings of this type ultimately may lead to a map that will show geoelectrical anisotropies that may be used to analyze subsurface water courses in carbonate rock.
Frohlich, Reinhard K.
"Geoelectrical Possibilities of Detecting Stream Channels in Carbonate Rocks,"
Journal of the Arkansas Academy of Science: Vol. 26
, Article 18.
Available at: http://scholarworks.uark.edu/jaas/vol26/iss1/18