Simulator lab

IP/ERT simulator

Galvanic current injection for resistivity and chargeability sections

Method notes

Interpretation

A wenner array with 10 m electrode spacing over 6 levels reaches about 94 m; the chargeable layer at 25 m peaks near 43 mV/V.

Array

wenner

Reflection coefficient

0.837

Max pseudo-depth

93.6 m

Total spread length

180 m

Peak chargeability

42.5 mV/V

Injected waveform

0.125 Hz square, 2 s on/off

Apparent resistivity pseudosection curve

Apparent resistivity migrates from the overburden value towards bedrock as levels expand.

ApparentTrue model

Apparent chargeability

The chargeable horizon shows as a peak at the level whose sensitivity overlaps it.

Chargeability