SubjectsSubjects(version: 901)
Course, academic year 2022/2023
  
Applied geophysics - MG452P11E
Title: Užitá geofyzika
Guaranteed by: Institute of Hydrogeology, Engineering Geology and Applied Geophysics (31-450)
Faculty: Faculty of Science
Actual: from 2020
Semester: both
E-Credits: 5
Hours per week, examination: 3/1 C+Ex [hours/week]
Capacity: unlimited
Min. number of students: unlimited
Virtual mobility / capacity: no
State of the course: taught
Language: English
Explanation: Výuka probíhá s ohledem na situaci dle nařízení hyg. stanice hl.m. Prahy a MŠMT
Note: enabled for web enrollment
you can enroll for the course in winter and in summer semester
Guarantor: prof. RNDr. Tomáš Fischer, Ph.D.
Teacher(s): Mgr. Martin Alexa
Mgr. Martin Mazanec
Incompatibility : MG452P11
Is incompatible with: MG452P11
Opinion survey results   Examination dates   Schedule   
Annotation -
Last update: Mgr. Zdeňka Sedláčková (13.02.2013)
Introduction to geophysical methods in relation to geological applications. Basics of gravimetry, geomagnetics, electrical and electromagnetic methods, radiometry, applied seismology and well logging. Interpretation and application of the geophysical methods in real geological, hydrological, engineering and environmental projects.
Literature -
Last update: Mgr. Zdeňka Sedláčková (13.02.2013)

Reynolds, J.M. (2011): An Introduction to Applied and Environmental Geophysics. Second edition. John Wiley & sons, Ltd.

Kearey, P., Brooks, M. and Hill I. (2009): An Introduction to Geophysical Exploration. Blackwell Science Ltd.

Mussett, A.E and Khan, M.A. (2000): Looking into the Earth: An Introduction to Geological Geophysics. Cambridge University Press.

Requirements to the exam -
Last update: Mgr. Martin Mazanec (08.01.2019)

80 % presence + micro-project
Examination written

Syllabus -
Last update: Mgr. Zdeňka Sedláčková (13.02.2013)

Lectures:

• Introduction: Definition, history of geophysics. Physical properties of geological environment, relation to geological structures. Overview of geophysical methods. Geophysical survey lifecycle. Scaling of geophysical projects. Application of geophysical methods in geological and engineering practice.

• Gravity methods: Overview of potential field methods physical background, gravity units, densities of rocks. Measuring gravity, gravimeters, survey planning and data acquisition, data reductions. Gravity modelling and inversion.

• Geomagnetic methods: Magnetic units, Earth’s magnetic field, magnetic properties of rocks. Magnetometers, magnetic surveying. Magnetic modelling, transformations.

• Resistivity methods: Overview of physical background. Resistivity profiling, array scanning, vertical electric sounding. Qualitative and quantitative interpretation, inversion, deconvolution.

• Self-potential methods, induced polarization. Application examples.

• Electromagnetic methods: Principles, types of EM systems. Continuous-wave and time-domain EM systems. VLF methods. Magnetotelluric method. Ground-Penetrating radar.

• Radiometric methods: Natural radiation overview. Radioactivity of rocks. Data acquisition, types of detectors, data corrections.

• Seismic refraction and reflection methods: Seismic waves propagation, elastic parameters of rocks. Principles of refraction and reflection surveying. Data acquisition methods, seismic sources, geophones, hydrophones, seismographs. Data processing and interpretation.

• Well logging methods: Overview of the logging methods, specifics of the borehole environment. Logging equipment. Tomography methods.

Exercises:

• Brief examples of processing of selected geophysical data from real projects.

• Interpretation of results of geophysical prospection in real case histories examples.

• Micro-project of the student’s choice.

 
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