Course Details

Physical Geodesy

Academic Year 2023/24

HE55 course is part of 1 study plan

N-P-C-GK / GD Winter Semester 2nd year

Fundamentals of gravity potential theory Gravity potential of a general body in outer potential point. Spherical harmonic functions and Legendre´s functions. Poisson´s equation, Laplace´s equation and some of the solutions. Field of centrifugal force of the rotating Earth. Field of tidal forces. Earth´s gravity field. Gravity potential level surfaces of gravity potential. Fundamentals of theory of heights. Stokes´ parameters and their determination. Normal gravity and gravity force field of level spheroids. Earth´s normal gravity field. Measurement of fundamental gravity field parameters. Statistical methods of physical geodesy. Interpolation and extrapolation of gravity anomalies. Modern methods for determination of the Earth´s shape. Fundamentals of Earth´s composition, tidal phemomena, local and regional geodynamics. Earth´s magnetic and thermal field. Practical applications of physical geodesy application in global view.

Course Guarantor

Institute

Objective

Knowledge of physical fundaments of geodesy. Overview of traditional and contemporary methods of physical geodesy. Acquaintance with contemporary techniques for determination of Earth´s physical parameters.

Knowledge

Student gets knowledge of physical geodesy, geopotencial models and satellite methods for models creation.

Syllabus

1. Gravity potential theory. Spherical harmonic functions and Legendre´s functions. Poisson´s equation, Laplace´s equation and some of the solutions.
2. Field of centrifugal force of the rotating Earth. Field of tidal forces. Earth´s gravity field. Gravity potential level surfaces of gravity potential.
3. Theory of heights. Stokes´ parameters and their determination. Normal gravity and gravity force field of level spheroids.
4. Earth´s normal gravity field. Measurement of fundamental gravity field parameters.
5. Modern methods for determination of the Earth´s shape.
6. Tidal phenomena, local and regional geodynamics. Earth´s magnetic and thermal field.
7. Practical applications of physical geodesy methods.

Prerequisites

Fundamental knowledge of geophysics and theoretical geodesy.

Language of instruction

Czech

Credits

4 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. Geopotential models. 2. Tidal deformations. 3. Satellite altimetry. 4. Determination of Earth´s crust motions 1. 5. Determination of Earth´s crust motions 2. 6. Gyroscopes. 7. Acceleration sensors. 8. Inertial systems. 9. Satellite systems. 10. Integration of inertial and satellite systems 1. 11. Integration of inertial and satellite systems 2. 12. Advanced international research projects.

Exercise

13 weeks, 1 hours/week, compulsory

Syllabus

1. Geoid, quasigeoid profils and theirs difference 2. Innovative conversion of various type of heights, practical aspectds 3. Geopotential, gravity potential 4. Geopotential models testing 5. Creation of height systém 6. Improvement of geopotential model