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| JFZ4024 | Electric-Electromagnetic Interpretation | 1+2+0 | ECTS:4 | | Year / Semester | Spring Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | DEPARTMENT of GEOPHYSICAL ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face, Practical | | Contact Hours | 14 weeks - 1 hour of lectures and 2 hours of practicals per week | | Lecturer | Dr. Öğr. Üyesi Özlem HACIOĞLU | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | Following the electrical & electromagnetic prospecting course, the student should obtain knowledge of further interpretation skills of geoelectrical surveys by using iterative forward modelling, and inversion of field data. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | 1- and 2-Dimensional modeling of electrical resistivity method | 1,2 | 1,3,6 | | LO - 2 : | interpret self-potential (SP) field data | 1,2,4 | 1,3,6 | | LO - 3 : | interpret İP data | 1,2 | 1,3,6 | | LO - 4 : | interpret EM data | 1,2 | 1,3,6 | | LO - 5 : | interpret composit survey field data | 1,2 | 1,3,6 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| Measurement of electrical properties of rocks and minerals in the laboratory. Origin of self-potentials (SP) . Calculations of SP anomalies of simple geometrical bodies. Electrical resistivity methods. Electrode arrays. Layered earth and vertical electrical sounding (VES) . Calculation of VES curves by linear filters. Optimization methods and Pekeris Koefoed method of direct interpretation. Geological section from VES data. Electrical mapping, Anisotropic earth. Introduction to 2D modelling of field data. Origin of the IP effects. Time and frequency domain IP methods. Complex resistivity or spectral IP method. Magnetic IP method. Interpretation of IP field data. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Geoelectrical Methods, clasification of the methods and general interpretation approaches. | | | Week 2 | Electrical resistivity methods; interpretaion of horizontal profiling field data. | | | Week 3 | Interpretaion of horizontal profiling field data, field examples. | | | Week 4 | Forward modelling, interpretation of Vertical Electrical Sounding (VES) data by lineer filters. | | | Week 5 | Direct interpretation methods. | | | Week 6 | 2-Dimensional modelling of electrical resistivity data, field examples. | | | Week 7 | 2-Dimensional modelling of electrical resistivity data, field examples. | | | Week 8 | Complex resistivity measurements. Interpretation of Induced Polarisation (IP) data. 2-D modelling | | | Week 9 | Mid-term exam | | | Week 10 | Interpretation of Induced Polarisation (IP) data. 2-D modelling. | | | Week 11 | Self-potential (SP) method. SP field procedures and interpretation of SP data. | | | Week 12 | Telluric amd magnetotelluric methods and interpretation of field data. | | | Week 13 | Electromagnetic (EM) Methods. Frequency and time domain EM. Interpretation of Very Low Frequency (VLF) field data. | | | Week 14 | Interpretation of phase component measurements. | | | Week 15 | Interpretation of phase component measurements. Airborne EM | | | Week 16 | End-of-term exam | | | |
| 1 | Telford W.M. et al, 1990, Applied Geophysics, Cambridge University Press. | | | 2 | Parasnis, D.S., 1986, Principles of Applied Geophysics, 4th edition, Chapman and Hall, London. | | | |
| 1 | Ward, S.H., 1992, Resistivity and Induced Polarisation Methods, Investigation in Geophysics No.5, SEG, Geotechnical and Environmental Geophysics, Edited by Stanley H. Ward, pp. 147-189. | | | 2 | Coşkun, N., 2009, Self Potansiyel (SP) Yöntemi, KTÜ Mühendislik Fakültesi Baskı Birimi, Fakülte Ders Notları Serisi No:4. | | | 3 | Coşkun, N., 2009, İndüksiyon Polarizasyonu (İP) Yöntemi, KTÜ Mühendislik Fakültesi Baskı Birimi, Fakülte Ders Notları Serisi No:5. | | | 4 | Bertin, J. and Loeb, J., 1976, Experimental and Theoretical Aspects of Induced Polarisation, Geoexploration Monographs, Vol. 1 and 2, Gebrüder, Borntraeger, Berlin. | | | 5 | Koefoed, O., 1979, Geosounding Principles, Elsevier, N.Y. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | 15/04/2012 | 2 | 50 | | End-of-term exam | 16 | 17/06/2010 | 2 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 2 | 14 | 28 | | Uygulama | 4 | 4 | 16 | | Dönem sonu sınavı için hazırlık | 15 | 1 | 15 | | Dönem sonu sınavı | 2 | 1 | 2 | | Total work load | | | 103 |
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