Course Details

Geophysics and Geodynamics

Academic Year 2023/24

HE02 course is part of 1 study plan

N-P-C-GK / GD Winter Semester 1st year

Subject of geophysics studies, placing of the Earth in space, Earth´s motions, fundamental physical laws.
Basics of theory of fields, scalar and vector field, gradient, divergency and rotation of field quantities. Gravitational potential, intensity of gravity field of a mass point, homogeneous sphere, and general body.
Basics of spherical functions theory.
Gravity field of the Earth, its intensity and potential, expansion of potential into spherical functions. Field of Earth´s gravitational force and its potential. Level surfaces of the gravity force potential. Normal Earth´s gravity force field, normal gravitational acceleration, its reductions. Fay and Bouguer anomalies. Basics of gravimetry, types and principles of gravity meters.
Fundamental equation of physical geodesy, geoid and quasigeoid.
Physical fundamentals of seismic phenomena, registration and parameters of earthquakes, model of the Earth, discontinuity surfaces. Magnetic and electric field of the Earth. Geomagnetic and geoelectric surveys.

Course Guarantor

Institute

Objective

Knowledge of physical properties of the Earth body, and of methods for determination of basic geophysical parameters.

Knowledge

The Student manages aim of teaching of geophysics and geodynamics if knowledge of physical processes and properties of the Earth body, and of methods for determination of basic geophysical parameters will be adequate

Syllabus

1. Subject of geophysics, placing of the Earth in space, Earth´s motions, fundamental physical laws.
2. Basics of theory of fields, scalar and vector field.
3. Gravitational potential, gravity field of a mass point, sphere, and general body.
4. Basics of spherical functions theory.
5. Gravity field of the Earth, its intensity and potential, expansion of potential into spherical functions.
6. Field of Earth´s gravitational force and its potential. Level surfaces of the gravity force potential.
7. Normal Earth´s gravity force field, normal gravitational acceleration.
8. Reductions of gravity acceleration. Fay and Bouguer anomalies.
9. Basics of gravimetry, types and principles of gravity meters.
10. Fundamental equation of physical geodesy, geoid and quasigeoid.
11. Physical fundamentals of seismic phenomena, registration and parameters of earthquakes, model of the Earth, discontinuity surfaces.
12. Magnetic and electric field of the Earth.
13. Geomagnetic and geoelectric surveys.

Prerequisites

Knowledge of fundamentals of theory of physical fields. Knowledge of the fundamentals of geology and Remote Sensing. Knowledge of fundamentals of theoretical geodesy.

Language of instruction

Czech

Credits

5 credits

Semester

winter

Forms and criteria of assessment

course-unit credit and examination

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

Extent and forms are specified by guarantor’s regulation updated for every academic year.

Offered to foreign students

Not to offer

Course on BUT site

Lecture

13 weeks, 2 hours/week, elective

Syllabus

1. Subject of geophysics, placing of the Earth in space, Earth´s motions, fundamental physical laws. 2. Basics of theory of fields, scalar and vector field. 3. Gravitational potential, gravity field of a mass point, sphere, and general body. 4. Basics of spherical functions theory. 5. Gravity field of the Earth, its intensity and potential, expansion of potential into spherical functions. 6. Field of Earth´s gravitational force and its potential. Level surfaces of the gravity force potential. 7. Normal Earth´s gravity force field, normal gravitational acceleration. 8. Reductions of gravity acceleration. Fay and Bouguer anomalies. 9. Basics of gravimetry, types and principles of gravity meters. 10. Fundamental equation of physical geodesy, geoid and quasigeoid. 11. Physical fundamentals of seismic phenomena, registration and parameters of earthquakes, model of the Earth, discontinuity surfaces. 12. Magnetic and electric field of the Earth. 13. Geomagnetic and geoelectric surveys.

Exercise

13 weeks, 2 hours/week, compulsory

Syllabus

A -1 day in week -2 hours: 1.Construction of the Geological-geophysical section 2.Measuring of the Gravity base network and calibration of the Gravimeter 3.Measuring and processing of the daily gravity profiles 4.Calculation of the Bouguer and Faye reductions, Normal Acceleration of the Earth field and the Gravity anomalies 5.Calculation of the Topographic corrections T1, T3 6.Construction of the Gravity maps in analog and GIS form (Qualitative interpretation) 7.The Transforming of the Gravity field, Filtering of Anoimalous field, residual and regional anomalies 8.Direct problem of gravimetry 9.Inverse problem of gravimetry 10.Using of the geophysical SWs - GeolModel, GravModel, MagModel 11.Complex interpretation of the Geophysical-geological models 12.Interpretation of the reflection seismic sections