Course Details

Advanced geophysical technologies

DEB061 course is part of 4 study plans

Ph.D. full-t. program DPC-GK compulsory-elective Summer Semester 1st year 7 credits

Ph.D. combi. program DKC-GK compulsory-elective Summer Semester 1st year 7 credits

Ph.D. full-t. program DPA-GK compulsory-elective Summer Semester 1st year 7 credits

Ph.D. combi. program DKA-GK compulsory-elective Summer Semester 1st year 7 credits

UNDERGROUND, AIRBORNE AND SATELLITE GEOPHYSICAL METHODS: Carriers, Methodology of Measurement and Data Processing. Magnetic method - Magnetic properties of rocks, measurement of susceptibility, geomagnetic field, magnetometers, examples of aeromagnetic map interpretation, magnetic field of the Czech Republic and Slovakia, limits of airborne and satellite measurements; Gravity method - principles, problems, gravimeters, absolute and relative measurements, data processing, reduction, gravity anomalies, determination of the density and the porosity, derived and transformed gravity maps, gravity measurements in the Czech Republic and Slovakia, inverse role, measurements in underground and shafts, vertical gradient and the second derivative of gravitational anomalies; Radiometric methods - principle of the method, measurement and data processing, radioactive rocks, gamma spectrometry, devices, aerial survey; Geoelectric stationary fields - resistivity methods, profiling and sounding, spontaneous and induce polarization; Electromagnetic methods - principle of methods, electromagnetic field (ELM) geometry, real and imaginary field components, ELM methods classification, ELM methods, interpretation of ELM methods;GPR (Ground Penetrating Radar) - theory and applications; REFLEX SEISMIKA: Seismic methods - 2D, 3D and 4D variants, wave field, principles of measurement and processing of reflection seismic, applications in oil and coal exploration, exploration of gas reservoirs, solving problems of deep seated structures of crust and lithosphere. Examples of interpretation from individual segments of lithospheric plates. GEOFYZIKA AND SEISMOTEKTONIKA - Seismic wave theory. Methods for registering earthquake waves, processing seismograms - determination of foci and earthquake focal mechanisms, earthquake prognosis, identification and interpretation of fracture structures. GEOPHYSICS AND REMOTE SENSING EXPLORATION - types of images, ways of interpretation, utilization of GIS technology, combination of geophysical and DPZ data, interferometry, exogenous dynamics.

Course Guarantor

doc. RNDr. Lubomil Pospíšil, CSc.

Institute

Institute of Geodesy

Learning outcomes

The aim of the subject is to acquaint and to use modern geophysical mapping technology using underground, aerial and satellite geophysical methods. The student will master the basic procedures for the processing of measured geophysical data and its interpretation. They will get acquainted with and will be able to work with the outputs and results of individual geophysical methods. The condition will also be the mastering of modern SW used for quantitative interpretation. Learning outcomes of the course unit The aim of the subject is to use also the knowledge of modern geophysical technologies in practical applications and mapping of the deep seated structures, hydrocarbon exploration, seismotectonic structures study and Remote Sensing tasks.

Prerequisites

Fundamentals of mathematics and physics, especially in the field of electricity and magnetism, gravitational potential and wave field. Recommended area of interest is in the field of Physics of the Earth

Corequisites

It is recommended to get acquainted with the basics of optics.

Planned educational activities and teaching methods

Consultation and participation in event excursions to geodynamic research companies and operations.
Recommended complementary activities within the curriculum. Using GIS technologies and Earth Remote Sensing methods.

Forms and criteria of assessment

Successful completion of the subject is a prerequisite for participation in lectures, attendance at tutorials, submission of elaborated protocols and programs, passing written tests etc.

Specification of controlled instruction, the form of instruction, and the form of compensation of the absences

Vymezení kontrolované výuky a způsob jejího provádění stanoví každoročně aktualizovaná vyhláška garanta předmětu.

Lecture

3 hours/week, 13 weeks, elective

Syllabus of lectures

1. Introduction - UNDERGROUND, AIRBORNE AND SATELLITE GEOPHYSICAL METHODS: Carriers, Methodology of Measurement and Data Processing.
2. Magnetometry - magnetic properties of rocks, measurement of susceptibility, geomagnetic field, magnetometers, examples of interpretation of aeromagnetic maps, magnetic field of the Czech Republic and Slovakia, limits of air and satellite measurements,
3. Gravimetry - principles, problems, gravitymeters, absolute and relative measurements, data processing, reduction, gravity anomalies, determination density and porosity,
4. Creation of derived and transformed gravity maps, gravity measurements in the Czech Republic and Slovakia, gravimetric foundations,
5. Direct and inverse gravimetric task, underground and shaft measurements, vertical and horizontal gravity gradients and the second derivative of gravity anomalies.
6. Radiometry - method, measurement and data processing, radioactive rocks, gamma spectrometry, instruments, aerial survey,
7. Geoelectric stationary fields, resistivity methods, spontaneous and induced polarization, GPR - Ground penetrating radar measurements
8. Electromagnetic methods - method principles, electromagnetic field (ELM) geometry, real and imaginary field components, classification of ELM methods, use of ELM methods, range and efficiency of ELM methods, interpretation of ELM methods,
9. REFLECTIVE SEISMICS: Seismic methods, 2D, 3D and 4D variants, principles of measurement and processing of reflection seismic, wave field, applications in basic Earth exploration and oil and coal exploration, exploration of gas reservoirs,
10. Refraction seismic, solution of the problem of deep structure of bark and lithosphere. Examples of interpretation from individual segments of lithospheric plates.
11. GEOFYZIKA AND SEISMOTEKTONIKA - Seismic wave theory. Methods for registering earthquake waves, processing seismograms - determination of foci and earthquake focal mechanisms. earthquake prognosis, identification and interpretation of tectonic structures. 12. GEOPHYSICS AND COUNTRY REMOTE EXPLOITATION - types of images, ways of interpretation, utilization of GIS technology, combination of geophysical and DPZ data, interferometry, exogenous dynamics.
13. Physical rocks properties and their importance and using in practice
14. Exercises - Demonstration of results of projects with a significant share of the used of geophysical data: geophysical mapping of basic structures of plate tectonics, state mapping in the 1:25 000 scale, research of localities for Radioactive wasted material repository,