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(CS)= case study
GEM-2 & GEM-3 handheld
The GEM-2 - How it works
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The GEM-2 - How it works - Detailed
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Small frequency-domain EM induction sensors
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Depth of Investigation for small EM sensors
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The GEM-2 multi-frequency EM sensor
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GEM-2: detecting pipelines and sinkholes (CS)
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Real-time resistivity sounding with a GEM-2
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The GEM-3 broadband EM sensor
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GEM-3M: A Ground Imager with a Local Navigator
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Soil and Groundwater Contamination
Combined frequency-domain EM and electrical resistivity surveys of groundwater flow in Nebraska Sand Hills USA (CS)
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Commercial soil impact assessment with the GEM-2
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Geophysical characterization and monitoring of subsurface drip irrigation - Powder River Basin Wyoming USA (CS)
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Ground Electromagnetic Survey (GEM-2) of subsurface hydrocarbon contaminant dispersion (CS)
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Improved Understanding of Permafrost Controls on Hydrology in Interior Alaska
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Multi Frequency EM Surveys of Near-Surface Migration Pathways Surrounding a CO2 Injection well
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Natural Gas Explosions in Hutchinson Kansas - Locating Abandoned Brine Wells by High-resolution Magnetic and Electromagnetic Survey
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Ohio EPA fact sheet - Soil contamination surveys (CS)
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Real-time Resistivity Sounding Using A Hand-Held Broadband Electromagnetic Sensor
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Reynolds International Technical Summary Sheet: GEM-2 electromagnetic ground conductivity mapping
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Using The Electromagnetic Method To Locate Abandoned Brine Wells In Hutchinson Kansas (CS)
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Underground Surveys
Detecting and imaging hard-to-find abandoned wells and pipelines (CS)
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Comparison of detection of various undreground structures
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Cloud chamber buried pipe detection with a GEM-2.pdf
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Electromagnetic detection of buried metallic
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EM detection of buried metallic objects
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Electromagnetic Induction Spectroscopy (EMIS)
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Undersea Applications
Seafloor characterization by EM benthic profiling (CS)
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Mapping of marine surficial sediments by benthic EM profiling
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ROV-towed GEM-3 EM sensor (CS)
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Fingerprinting of submarine freshwater seepage
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Measurement of sea ice thickness
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Archaeology & Forensic
Iraq Weapons inspection
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Geophysical surveys in Jordan
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Archaeological studies with EM in Jordan
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Airborne
GEM-2A broadband airborne EM sensor
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Identifying near-surface migration pathways with an airborne EM sensor
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Inversion of helicopter EM data
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Dielectric mapping using airborne EM data
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Quad–quad resistivity in airborne EM mapping
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Airborne resistivity and susceptibility mapping
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Identification of mineral deposits using airborne EM spectra
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Theory
GEM-2, GEM-3 and GEM-5 Sensor Configurations
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Magnetometers and electro-magnetometers
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Conductivity and susceptibility mapping.pdf
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Mapping of earth with continuous conductivity variation
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Inversion of time-domain airborne EM data
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Differential parameter method for airborne EM mapping
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Imaging underground structures
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Airborne EM mapping
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Airborne resistivity data leveling
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Subsurface imaging with broadband EM
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Other
Diagnosing the_Earth
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Planetary exploration with an EM sensor
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