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The history of gravity survey, physical principles, densities of rocks, measurement of gravity, potential field theory, gravity attraction of simple geometrical shapes and complex shapes, gravity field of the Earth, theoretical gravity formulas, gravity corrections, gravity anomalies, regional-residual separation, interpretation, examples of gravity surveys.
Last update: Blecha Vratislav, RNDr., CSc. (21.04.2021)
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LaFehr, T.R., Nabighian, M.N.: Fundamentals of Gravity Exploration, SEG, 2012. Fairhead, D.J.: Advances in Gravity and Magnetic Processing and Interpretation, EAGE Publications, 2016. Blakely, R.J.: Potential Theory in Gravity and Magnetic Applications, Cambridge University Press, 1996. Lowrie, W., Fichtner, A.: Fundamentals of Geophysics, 3rd edition, Cambridge University Press, 2020. Last update: Blecha Vratislav, RNDr., CSc. (21.04.2021)
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Zápočet je udělen za bezchybně vypracované a odevzdané protokoly ze cvičení. Zkouška z předmětu je písemná a ústní. Last update: Blecha Vratislav, RNDr., CSc. (21.04.2021)
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1. Historical introduction (first gravity surveys; historical instruments, references) 8. Densities of rocks (definition of different types of rock densities; laboratory measurements; determination of densities from gravity measurements; densities of rocks and Earth’s layers)
9. Acquisition and processing of gravity data (preliminary modeling, check and ajusting of gravity meter constants, measurements of altitudes of gravity stations, error of measurements)
10. Interpretation of measurements (ambiguity of interpretation; qualitative interpretation; regional - residual separation; transformations; guantitative interpretation; modeling)
11. Practical examples of gravity surveys Last update: Blecha Vratislav, RNDr., CSc. (21.04.2021)
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