GPH 521 Applied Geophysics
The course focuses on principles of electrical and EM, mathematical methods in electrical exploration, fundamentals of current flow, D.C. resistively method, electrochemical methods, electromagnetic methods, and advanced seismic refraction methods.
GPH 521
SYLLABUS OF THE COURSE
PRINCIPLES OF ELECTRICAL & EM (1 week )
- v Electrical properties of rocks
- Mechanism of electrical conduction in materials
- Representative resistivity values
- Conductivity mechanism
MATHEMATICAL METHODS IN ELECTRICAL EXPLORATION ( 2 weeks )
- Area and Line integrals
- LaPlace's and Poisson's Equations
- Stokes’ Theorem
- Solution to Laplace’s equation in electrical problems
FUNDAMENTALS OF CURRENT FLOW (1 week )
- Fundamentals of the current flow in the earth.
- Potential distribution in a Homogeneous Medium
- Apparent and true resistivity
- Potential and current distribution across boundary
- D.C. RESISTIVITY METHOD ( 2 weeks )
- Electrode configurations
- Electric sounding & Electric profiling
- field procedures
- Applications & Ambiguities
- Qualitative & Quantitative Interpretation
- Mise – A- la- Masse Method
ELECTROCHEMICAL METHODS ( 2 weeks )
- self-potential method
- induced polarization method.
MIDTERM EXAM
ELECTROMAGNETIC METHODS ( 2 weeks )
- Classification of electromagnetic systems
- Principles of electromagnetics
- Magnetotelluric Methods
- Vertical loop (VLEM)
- Slingram & Turam Systems
- Very Low Frequency (VLF)
- Audio Frequency Magnetics (AFMAG)
- Time-Domain systems ( TDEM )
- Airborne Method
- Ground Penetrating Radar
ADVANCED SEISMIC REFRACTION METHODS (2 weeks)
CASE STUDIES (1 week)
STUDENT'S PRESENTATIONS (1 week )
FINAL EXAM
HOMEWORK ASSIGNMENTS IN
PAGE 152 : 1- 2 - 3 -- 7- 9
PAGES 162 : 1- 2- 5- 6- 10- 14- 15- 16- 17- 18
GRADING :
Midterm exam. 20 %
Term papers 15 %
Presentations 10 %
Homework Assignments 15 %
Final exam. 40 %