Geophysical Institute of the ASCR

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Scientific Departments of the Geophysical Institute Department Department of Geothermics 3 researchers 1 PhD student 2 technicians Department of Geomagnetism 8 researchers 1 PhD student 11 technicians Department of Tectonics and Geodynamics 10 researchers 3 technicians Department of Geoelectricity 8 researchers 1 technician Department of Seismology 18 researchers 3 technicians 2 PhD students Basic research areas • Experimental and theoretical investigations of the temperature field of the Earth’s crust and upper mantle, temperature logging in boreholes • Experimental studies of the thermo-physical properties of crustal rocks, thermal conductivity and diffusivity and radiogenic heat production • Instruments for geothermal research, portable thermometers for borehole logging and systems for a long-term temperature monitoring • Reconstruction of climatic changes from temperature-depth profiles in deep boreholes • Research into the air, ground and bedrock temperature coupling and into the thermal regime within the soil and the underlying bedrock. • Observations of the Earth’s magnetic field • Field measurements of secular variations • Geodynamo modelling • Space weather studies • Effect of solar and geomagnetic activites on climatic changes • Rock and environmental magnetism • Gravity measurements and interpretations for engineering geology, environment, archaeology and geodynamic investigations • Recording, processing and analysis of tidal data from observatories Lazec and Jezeří • Stratigraphic analysis of sedimentary basins using geological and geophysical data, physical sedimentology of clastic depositional systems • Sea-level fluctuations, palaeoclimate and global change • Post-orogenic tectonic evolution of the Bohemian Massif • Laboratory studies in elastic rock anisotropy • Analysis of the seismicity pattern at convergent plate margins • Investigations of the crustal and upper mantle electrical conductivity • Theoretical and methodological research of electromagnetic fields and their numerical modelling • Research of external geoelectro-magnetic fields • Investigations of the solar-terrestrial relations • Operating the regional network of broadband seismological stations • Monitoring and interpreting the local seismicity in West Bohemia • Study of deep geological structures down to the mantle litosphere • Theoretical research on seismic waves generation and propagation in complex structures • Study of the Earth’s crust by using active seismic experiments 7
Staff of the Geophysical Institute, November 2005 8
Page 2: Academy of Sciences of the Czech Re
Page 5 and 6: Estimates of P-wave anisotropy from
Page 7 and 8: Scientific Divisions of the ASCR Ma
Page 9: Organization Units of the Geophysic
Page 13 and 14: Observatories of the Geophysical In
Page 15 and 16: The air-ground temperature monitori
Page 17 and 18: Geographic locations of the observa
Page 19 and 20: fourth logging. A passage of the fr
Page 21 and 22: Fig. 3. The borehole climate change
Page 23 and 24: Fig. 5. Monitoring results (1995-20
Page 25 and 26: Fig. 6. Residual gravity anomalies
Page 27 and 28: Fig. 9. Example showing measured P-
Page 29 and 30: Fig. 10. A simplified sketch showin
Page 31 and 32: Deep structure, seismotectonics and
Page 33 and 34: References Špičák A., Hanuš V.
Page 35 and 36: etrieved by inversion of surface wa
Page 37 and 38: References Babuška V., Plomerová
Page 39 and 40: References Brož M., Hrubcová P.,
Page 41 and 42: consecutive event pairs occurring s
Page 43 and 44: Amplitude ratios for complete momen
Page 45 and 46: References Vavryčuk V., 2005. Foca
Page 47 and 48: Fig. 28. Projections of the 3D ray
Page 49 and 50: Fig. 30 shows comparison of QI (red
Page 51 and 52: Electromagnetic depth soundings A c
Page 53 and 54: with the maximum/minimum resistivit
Page 55 and 56: spectral methods (Hejda and Reshetn
Page 57 and 58: vertical profiles of magnetic susce
Page 59 and 60: ) The rapidly varying geomagnetic f
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Let us try to answer the question w
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Drilling the Eger Rift in Central E
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provided by IAGA, was used to cover
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2005 Fulbright Scholarship, Prof. G
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Structure of the budget of the Geop
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Project code Title Principal invest
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Selected publications Alcalá M.D.,
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Vavryčuk V., Hrubcová P., Brož M
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Art exhibitons at the Geophysical I
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Geophysical Institute of the ASCR

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