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MN-GM-GEOEEV

Study course: M.Sc. Physics of Earth and Atmosphere
Module: MN-GM-GEOEEV
Title Direct Current and Electromagnetic Exploration Methods  (Elektrische und elektromagnetische Verfahren der angewandten Geophysik)
Module Number Workload CP Duration Semester
MN-GM-GEOEEV 180 h 6 1 Semester WT
Person in Charge B. Tezkan
Offering Department Institute of Geophysics and Meteorology, Cologne University
Applicability Course of Study Category Semester
M.Sc. Physics of Earth and Atmosphere Compulsory for main focus geophysics 1
Aims Knowledge of the principles of electromagnetic methods and overview of their applications
Skills Theory of electromagnetic methods, data analysis and modeling of DC-resistivity and electromagnetic data in frequency and time domain
Content • DC methods: basic equations, potential of the single electrode, solution of the Laplace equation for 1D earth, inversion of DC data, 1D and 2D forward modelling of DC data
• Electromagnetic induction: basic equations, induction in 1D earth, 2D conductivity models, field measurements and data analysis, quantitative interpretation, passive EM methods, active EM methods (Magnetotelluric and Geomagnetic Deep Soundings, Time Domain Methods)
Prerequisites Basics of mathematics, physics and applied geophysics
Lectures Form, Theme Max. of Participants h/week workload CP

Lecture

Exercise

20

3

2

90

90

3

3

Examinations Form of testing and examination         Graded or not
Written examination         Graded
Miscellaneous Recommended literature:

W.E. Telford et. al., Applied Geophysics, Cambridge University Press, 1990.

O. Koefed, Geosounding principles, Vol. 1, Springer Verlag, 1985.

Nabighian, M.N., Electromagnetic soundings in applied geophysics, SEG,1987.

Simpson and Bahr, Practical magnetotellurics, Cambridge University Press, 2005.

M.S. Zhadanov and G.V. Keller, The geoelectrical methods in applied geophysics, SEG, 1987.

B. Buttkus, Spektralanalyse und Filtertheorie in der Angewandten Geophysik , Springer Verlag, 1991.

D. S. Parasanis, Principles of Aplied Geophysics, Halsted Press Book, 1979.