Seismic Wave Propagation
Syllabus, Master's level, 1GE014
This course has been discontinued.
- Code
- 1GE014
- Education cycle
- Second cycle
- Main field(s) of study and in-depth level
- Earth Science A1N, Physics A1N
- Grading system
- Pass with distinction (5), Pass with credit (4), Pass (3), Fail (U)
- Finalised by
- The Faculty Board of Science and Technology, 15 March 2007
- Responsible department
- Department of Earth Sciences
Entry requirements
Bachelor's degree in physics
Learning outcomes
After successful completion of the course, the student will be able to
Derive the scalar wave equation from first principles
Understand surface waves and converted phases, and how these may elucidate Earth structure
Transform equations from the time-space domain to the frequency-wavenumber domain
Know and apply Snell's law to solving ray tracing problems
Discretize partial differential equations to, in the limit, equivalent finite difference equations
Derive the eikonal equation and understand its usefulness in travel time tomography
Understand and apply Green's functions in seismic applications
Know the basic principles of reflection seismic data acquisition and processing
Apply simple processing steps to seismic data using the freely available Seismic Unix software package.
Produce a two-dimensional stacked seismic section from raw source gathers using shell scripts
Change computer code in the Seismic Unix package
Understand the concept of Kirchhoff migration and code an algorithm in the C language in order to apply two-dimensional Kirchhoff migration to a stacked seismic section
Understand seismic amplitudes, attenuation and scattering
Gain experience with receiver functions and seismic tomography
Content
Fourier analysis
Equations of motion
Acoustic wave equation
Elastic wave equation
Ray theory
Kinematic and dynamic ray tracing
Receiver functions
Seismic tomography
Basic reflection seismic acquisition and processing
Kirchhoff migration
Downward continuation
Plane wave decomposition
Finite difference methods
Instruction
Lectures, homework, problem solving and computer exercises.
Assessment
Written examamination. The written examination corresponds to 8 ECTS and the compulsory part to 2 ECTS.