EOSC 454 · Applied Geophysics

Using geophysics to characterize the Earth's subsurface for resource exploration, engineering, or environmental applications. Data acquisition, processing, and interpretation of geophysical surveys. Inversion examples drawn from potential (electrical, magnetic, gravity) or wave field (seismic, ground penetrating radar) surveys. [3-2-0] Prerequisite: All of EOSC 352, EOSC 353, EOSC 450 and one of PHYS 301, PHYS 354.

Course Availability & Schedule

Course Webpage

Instructors

Dr. Felix J. Herrmann

Course Content

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Background Mathematics

Gravity Notes

Inverse Theory

Magnetics

Potential Fields Processing

DC Resistivity and IP

Electromagnetics

Tutorial Papers

Case History for Gravity Surveys

Case Histories for Magnetics

Laboratory Exercises 

Lecture Topics

Topics:

  • Gravity surveys, processing, inversion and interpretation
  • Magnetic surveys, processing, inversion and interpretation
  • Physical properties and geology
  • Fourier processing of potential field data
  • DC resistivity and IP methods
  • Frequency domain electromagnetics for applied geophysics
  • Time domain electromagnetic for applied geophysics

Labs

Laboratory Topics

  • 3D modelling of gravity fields
  • 3D inversion of gravity data
  • Modelling and inverion of magnetic data
  • Fourier processing of potential field data
  • 2D modelling and inversion of DC resistivity data
  • 2D modelling and inversion of IP data
  • 3D forward modelling of frequency domain EM data
  • 3D forward modellling of time domain EM data
  • Unexploded ordnance discrimination
  • Multi-survey interpretation for mineral exploration