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  • Applications
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    • Reports and Maps
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    • DELTA Bridge Scanner
    • EPSILON Road Profiler
    • POISSON Time Series
    • GPR
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    • Seismics
    • Induced Polarization
    • Borehole Logging
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HYDROGEOLOGICAL STUDIES

Phone: (365) 889 5400

 Contact: sales@geophysicshm.com

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Surface and borehole geophysical methods are used in hydrogeological investigations for mapping and monitoring the physical property changes of the soils and water bearing rocks. Main applications include bedrock topography, structural profiling, water table depth estimation, delineation of fracture systems, estimation of permeability, water content and porosity of the aquifers, mapping salt water-fresh water boundaries and migration pathways delineation. 

Aquifer Depth

Groundwater Flow

Flood SedimentsMapping

Geophysical results are indispensable for planning detailed groundwater investigations and aquifer management and more importantly when targeting areas for drilling water supply wells in rural communities where services of potable water are not available. Surface and borehole geophysical methods include Seismic Refraction, Electromagnetic Conductivity Profiling, Vertical Electrical Sounding, 2D Resistivity Imaging, Magnetic and Self-Potential. Borehole geophysical methods include Borehole Resistivity and Fluid Conductivity Sounding.

Geophysical Methods for Hydrogeological Investigations

ERT - VES

Seismic

NMRS

Induced Polarization

Borehole Logging

Spontaneous Potential

GPR Profiling

 Applications and Solutions
 
  • Aquifer & Aquitard Delineation
  • Bedrock Fracture Zones
  • Fresh Groundwater Mapping
  • Groundwater Flow Paths
  • Groundwater Supply
  • Infiltration Galleries
  • Porosity Estimation
  • Saline-Brackish Water Interface
  • Saltwater Intrusion
  • Water Table Depth
  • Water Well Demarcation
 

Lake and River Bottom Profiling

Detailed maps and profiles of the lake and river bottom can be produced with the implementation of Ground Penetrating Radar mapping techniques over frozen waters or by deploying the scanning systems on board of boats or platforms. The interpretation of the GPR results are valuable for characterizing the water column properties, the type and thickness of the bottom sediments.      

Porosity, Water Content and Depth To Water Table 

Estimation of the water table depth is important for drilling activities, environmental investigations, and hydro-geological and geological studies. VES, Electrical profiling, EM and Seismics methods are used to identify the depth to the water table.

Water Well Location 

Groundwater investigations using geophysical methods will be time-efficient covering larger areas at low cost. Geophysical exploration is used to find the best locations for drilling water wells for communities and villages where utilities are not implemented. The quality of the water and various  parameters such as transmissivity, porosity and permeability of the bearing aquifers are estimated using surface and borehole techniques such as Vertical Electrical Sounding, Electrical Profiling, Electromagnetics, Nuclear Resonance Sounding, Electrical Resistivity Tomography and Seismics. 

Salt Water Intrusion Mapping

Saltwater intrusion in fresh aquifers is a serious concern for many communities in coastal areas where fresh water is highly priced for personal consumption, irrigation, industrial processes and other daily uses. The dissolution and increase of the salt content in groundwater will reduce the resistivity of the soils and water bearing rocks to the level where the limits of the intrusion can be easily map by using surface geophysical instrumentation. Electrical Resistivity Tomography and Transient Electromagnetic methods are commonly used for mapping salt intrusion.

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Geophysics HM Ltd

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Geophysics HM Ltd Office

51 Strachan Street E.  Hamilton.  Ontario. L8L3M3

Phone: (365) 889 5400

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