Fall 2022 - EASC 207 D100
Introduction to Applied Geophysics (3)
Class Number: 1918
Delivery Method: In Person
Course Times + Location:
Mo, We 9:30 AM – 10:20 AM
SWH 10075, Burnaby
1 778 782-5511
Office: TASC 1 Room 7415
Prerequisites:MATH 152, and one of: (PHYS 102 and PHYS 133), (PHYS 121 and PHYS 133), (PHYS 126 and PHYS 133) or (PHYS 141). All with a grade of C- or better.
An introduction to geophysics emphasizing seismic, magnetic and gravimetric observations of the Earth. Applied geophysics. Quantitative.
Use of physical measurements in determining the subsurface properties of the Earth. Principles underlying analysis of geophysical data. Basic rock physics. Gravity surveying: basic theory, instrumentation, data reduction, and anomaly interpretation. Magnetic surveying: rock magnetism, Earth’s magnetic field, instrumentation, data reduction, anomaly interpretation. Electrical surveying: (i) resistivity of rocks, electrode arrays and current flow in the ground, resistivity sounding and profiling; (ii) induced polarisation, IP measurement and applications; (iii) self potential methods. Seismic surveying: stress and strain, seismic waves, reflection and refraction of seismic waves, critical refraction, rays and waves. Seismic refraction surveying: seismic sources and detectors, geometry of refracted raypaths for horizontal, dipping and undulating layers, data interpretation.
· Introduction to geophysical data: physical properties of rocks , sampling, time vs. frequency
· Gravity surveying
· Magnetic surveying
· Electrical methods: resistivity, induced polarisation and self potential
· Seismic refraction methods
- Midterm examination 20%
- Laboratory/Assignment 30%
- Final examination 50%
An Introduction to Applied and Environmental Geophysics, by J.M. Reynolds 2nd Edition 2011 (Wiley)
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