Resistivity (examples from Reynolds, 1997). I (amps) = V (volts) / R (ohms) Current = Voltage /resistance R  1/area.

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Presentation transcript:

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