LEARNING OUTCOMES
Basic course goals:
- Gravity field estimation methods and relations with the Surveyor science
- Observation corrections and reductions due to the gravity field effect
- Connection with the vertical datum definition
- Algorithms of spherical harmonics expansion. Analysis and Synthesis
- Combination of GNSS and gravity observations in height estimation
- Heterogeneous data combination in gravity and geoid modelling
General Competences
- Search for, analysis and synthesis of data and information, with the use of the necessary technology
- Decision-making
- Working independently
- Working in an international environment
- Production of new research ideas
- Production of free, creative and inductive thinking
SYLLABUS
Earth’s gravity field parameters, Newtonian attraction field, Earth’s gravity field and its components. Geodetic boundary value problems and the solutions. Classical Stokes’ solution. Modern Molodensky approach. Local and geocentric reference system. Gravity data reductions in geoid modelling. Gravity field dedicated satellite missions. Gravity reductions and anomalies. Height systems. Spherical harmonics and geopotential earth models. The geoid. Basic methodologies of gravity field and geoid estimation using spectral and stochastic methods. Geoid estimations using surface and satellite data. GNSS levelling.
STUDENT PERFORMANCE EVALUATION
The final course evaluation is based on written examination (70%) and laboratory work (30%)
Language of evaluation: Greek (English if needed, e.g., Erasmus+ students)
Written examination with short-answer questions, problem solving and laboratory work
ATTACHED BIBLIOGRAPHY
Suggested bibliography:
1. Heiskanen W. A., Moritz H., 1967. Physical Geodesy. Freeman & Co, San Francisco.
2. Hofmann-Wellenhof B. and H. Moritz. 2005. Physical Geodesy. Springer eds.
3. Moritz H. 1989. Advance Physical Geodesy. Wichmann eds.
4. Torge W., 2001. Geodesy. 3rd Edition. Walter de Gruyter, Berlin.
5. Torge W. 1989. Gravimetry. Walter de Gruyter, Berlin.
6. Vanicek P., Krakiwsky E., 1992. Geodesy: The Concepts. Elsevier, New York.
Related academic journals:
1. Journal of Geodesy
2. Journal of Geodetic Sciences
3. IAG Series publications