Resistivity (examples from Reynolds, 1997)
I (amps) = V (volts) / R (ohms) Current = Voltage /resistance R 1/area
Resistivity Systems OhmMapper-Geometrics Capacitive coupling Multielectrode Advanced Geophysics Inc.
where R = V/I
Resistivity Profiling
Resistivity Depth Sounding
Electrode spacing ~ depth
Path Averaging
z z
Automated Resistivity “Imaging” Profiling + Depth Sounding
DNAPL and Resistivity