Geophysical Instruments

exploration, near surface and marine instruments
 
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Ground Penetrating Radar

Ground-penetrating radar (GPR) is a geophysical method that uses radar pulses to image the subsurface. This nondestructive method uses electromagnetic radiation in the microwave band (UHF/VHF frequencies) of the radio spectrum, and detects the reflected signals from subsurface structures. GPR works by sending a tiny pulse of energy into a material and recording the strength and the time required for the return of any reflected signal.
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Seismograph

Seismic Instruments examines a wide diversity of geophysical instruments: seismometers, computerized digital seismic stations, ocean bottom and borehole seismic stations, automation of geophysical monitoring, strainmeters and tiltmeters. Marine and Land seismographs. Multi-channel seismograph for LVL and engineering seismic applications. Exploration seismograph SUMMIT X Stream Pro Value quality seismograph for engineering application. A seismometer is an instrument that measures motion of the ground, caused by, for example, an earthquake, a volcanic eruption, or the use of explosives.Exploration seismograph SUMMIT II Ex Intrinsically safe seismograph for use in underground mining. The traditional compact 24-channels ...A seismograph is a device used for recording earth tremors. Basically, it is a heavily weighted horizontal rod (pendulum) suspended from a pole.
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Geoelectrical Instruments ERT

Geoelectrical methods are used for mapping the depth of soils and rock. It involves placing stakes in the ground and measuring electrical resistance. extensively in groundwater mapping for investigation of the vulnerability of aquifers and shallow aquifers themselves.
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Electromagnetic Induction - EM

EM devices can simultaneously examine soil conditions and locate objects found beneath the surface of the earth spatially, but do not provide good depth information.
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