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| GEOP329 | Electrical Prospecting | 2+1+0 | ECTS:6 | | Year / Semester | Fall 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 - 2 hours of lectures and 1 hour of practicals per week | | Lecturer | Doç. Dr. Ali Erden BABACAN | | Co-Lecturer | None | | Language of instruction | | | Professional practise ( internship ) | None | | | | The aim of the course: | | The course aims to provide students about theoretical background of the geoelectrical prospecting, data acqusition and data processing. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | learn theoretical bases of the geo-electrical methods | 1,2,3,5,11 | 1,3,6 | | LO - 2 : | learn data acquisition and interpretation of the field data | 2,11 | 1,3,6 | | LO - 3 : | acquire data using vertical electrical sounding, horizontal electrical sounding and combined sounding-profiling techniques in electrical resistivity method and interpretation of data | 1,5,11 | 1,3,6 | | LO - 4 : | acquire self-potential (SP) field data and interpretation of these data | 1,5,11 | 1,3,6 | | LO - 5 : | describe sources and effects of the induced polarization (IP) | 1,5,11 | 1,3,6 | | LO - 6 : | interpret İP data | 1,5,11 | 1,3,6 | | LO - 7 : | describe electromagnetic field and classify EM methods | 1,5,11 | 1,3,6 | | LO - 8 : | interpret EM data | 1,2,5 | 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 and magnetic properties of rocks and minerals in the laboratory, origin of self-potentials, calculations of SP anomalies of simple geometrical bodies, origin of telluric currents and magneto telluric fields, equipment, interpretation of telluric and MT field data, EM continuous-wave, transient-field methods, electromagnetic induction, elliptic polarization, magnetic field of low frequency sources, near and far EM fields, interpretational aids in EM prospecting, depth penetration, electrical resistivity methods, layered earth, vertical electrical sounding, VES curves by linear filters, optimization methods, 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, magnetic IP method, Ground Probing Radar (GPR) . |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Electrical properties of rock and minerals
| | | Week 2 | Electrical properties of rock and minerals
| | | Week 3 | Self-potential method, instrumentation and field techniques. Interpretation of SP data.
| | | Week 4 | Interpretation of SP data.
| | | Week 5 | Induced Polarisation (IP) method, origin of IP. Electrode and membrane polarisation. | | | Week 6 | Time domain and frequency domain IP methods, chargeability and frequency effect relations. Complex resistivity measurements. | | | Week 7 | Plotting IP data.Magnetic Induced Polarisation (MIP) Method, interpretation of IP data, interpretation reports. | | | Week 8 | Electrical resistivity field techniques, arrays and the factors effecting an array selection. Interpretation; calculation of vertical electrical sounding curves by linear filters. | | | Week 9 | Mid-term exam | | | Week 10 | 2-dimensional interpretation of electrical resistivity data. Case Studies. | | | Week 11 | 2-dimensional interpretation of electrical resistivity data. Case Studies. | | | Week 12 | Telluric Method. Electromagnetic (EM) Methods. EM theory, Attenuation of EM fields and boundary conditions, Magnetotelluric (MT) fields, equipment and field procedures. Frequency and time domain EM methods. | | | Week 13 | Frequency and time domain EM methods. | | | Week 14 | Phase component measurements. Very Low Frequency (VLF) method. | | | Week 15 | Phase component measurements. Very Low Frequency (VLF) method. | | | Week 16 | End-of-term exam | | | |
| 1 | Coşkun, N., 2009, Self Potansiyel (SP) Yöntemi, KTÜ Mühendislik Fakültesi Baskı Birimi, Fakülte Ders Notları Serisi No:4. | | | 2 | Coşkun, N., 2009, İndüksiyon Polarizasyonu (İP) Yöntemi, KTÜ Mühendislik Fakültesi Baskı Birimi, Fakülte Ders Notları Serisi No:5. | | | 3 | Telford W.M. et al, 1990, Applied Geophysics, Cambridge University Press. | | | |
| 1 | Koefoed, O., 1979, Geosounding Principles, Elsevier, N.Y. | | | 2 | Parasnis, D.S., 1986, Principles of Applied Geophysics, 4th edition, Chapman and Hall, London. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 2 | 50 | | End-of-term exam | 16 | | 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 | 2 | 14 | 28 | | Sınıf dışı çalışma | 5 | 14 | 70 | | Arasınav için hazırlık | 10 | 1 | 10 | | Arasınav | 2 | 1 | 2 | | Uygulama | 1 | 14 | 14 | | Ödev | 4 | 4 | 16 | | Proje | 10 | 2 | 20 | | Dönem sonu sınavı için hazırlık | 15 | 1 | 15 | | Dönem sonu sınavı | 2 | 1 | 2 | | Total work load | | | 177 |
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