| [Exploration methods] ・Resistivity image profiling, vertical electric sounding, charged potential, IP, resistivity tomography |
 Groundwater exploration by resistivity image profiling [Vietnam] |
 Transmitter （charged potential method for geothermal prospecting） |
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 Mineral exploration by TDIP [Saudi Arabia] |
 Groundwater exploration by Wenner method [Fiji] |
| [Objectives of the surveys] | ||
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| ・Resources survey: minerals, groundwater, hot springs | ||
| ・Foundation evaluation: dam sites, tunnels, embankments | ||
| ・Natural hazards prevention: landslides, underground cavities | ||
| ・Environment survey: soil pollution, groundwater pollution | ||
| An example of the surveys |
 Resistivity profile (Wenner method、electrode interval 20m) |
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