Vaclav Bucha

June 16, 1962

Degrees:

• Graduated from Faculty of Science, Charles University, Prague, 1985, in Geophysics (degree corresponding to MSc),
  diploma thesis: Seismodynamic characteristics of the Kladno-Rakovnik basin
• RNDr degree, Charles University, Prague, 1987, in Geophysics
• PhD degree, Czech Academy of Sciences, 1993,
  PhD thesis: Discrimination between earthquakes and explosion sources in North Western Bohemia

Employment:

• 1986-1989: postgraduate student
• 1989-1998: research geophysicist, Institute of Rock Structure and Mechanics, Acad.Sci. Czech Republic, Prague
• since 1998 research geophysicist, Department of Geophysics, Charles University, Prague

Areas of research interests:

• administration of computer systems
• seismic modelling, data processing
• 2D and 3D computer graphics, computer programming

Publications:
Papers in journals:

• Bucha,V. (1985): The occurrence of rockbursts in the Kladno coal-mining area. Travaux Geophysiques 1985, Academia, Prague, 59-75.
• Bucha,V. (1992): Differences between earthquakes and explosion sources in North Western Bohemia. Acta Montana, Series A, No.3(89), 165-188.
• Bucha, V. (1997): Displaying 3-D objects in seismology using PEX library. Acta Montana, Series A, No.11(104), 59-63.
• Zahradnik, J., Bucha, V. (1998): Masking effects of subsurface layers on shallow reflecting horizons. Journal of Seismic Exploration, 7, 73-79.
• Bucha, V. (2006): Ray tracing in the smoothed acoustic SEG/EAGE Salt Model. Part 1: Seismograms. Journal of Seismic Exploration, 15, 15-24.
• Bucha, V. (2006): Ray tracing in the smoothed acoustic SEG/EAGE Salt Model. Part 2: Maps of reflections. Journal of Seismic Exploration, 15, 153-164.
• Bucha, V. (2006): Comparison of finite-difference seismograms and ray-theory travel times in the elastic SEG/EAGE Salt Model. Journal of Seismic Exploration, 15, 225-239.
• Bucha, V. (2012): Kirchhoff prestack depth migration in 3-D simple models: comparison of triclinic anisotropy with simpler anisotropies. Stud. geophys. geod., 56, 533-552.
• Bucha, V. (2017): Kirchhoff prestack depth migration in simple models with differently rotated elasticity tensor: orthorhombic and triclinic anisotropy. Journal of Seismic Exploration, 26, 1-24.
• Bucha, V. (2021): Kirchhoff prestack depth scalar migration in a simple triclinic velocity model for three-component P, S1, S2 and converted waves. Geophysical Prospecting, 69, 269-288.
• Bucha, V. (2023): Kirchhoff pre-stack depth scalar migration of complete wave field using the prevailing-frequency approximation of the coupling ray theory. Journal of Seismic Exploration, 32, 105-129.

Papers in serial "Seismic Waves in Complex 3-D Structures":

• Bucha, V. (2001): Displaying 3-D seismic models through the VRML and GOCAD. In: Seismic Waves in Complex 3-D Structures, Report 11, pp. 337-355, Dep. Geophys., Charles Univ., Prague.
• Bucha, V. (2003): Ray tracing computations in the smoothed SEG/EAGE Salt Model. In: Seismic Waves in Complex 3-D Structures, Report 13, pp. 241-248, Dep. Geophys., Charles Univ., Prague.
• Bucha, V. (2004): Ray tracing computations in the smoothed SEG/EAGE Salt Model. Part 2: Sources in the well. In: Seismic Waves in Complex 3-D Structures, Report 14, pp. 27-34, Dep. Geophys., Charles Univ., Prague.
• Bucha, V. (2004): Ray tracing computations in the smoothed SEG/EAGE Salt Model. Part 3: Maps of reflections. In: Seismic Waves in Complex 3-D Structures, Report 14, pp. 35-42, Dep. Geophys., Charles Univ., Prague.
• Bucha, V. (2005): Comparison of finite-difference and ray-theory seismograms in the elastic SEG/EAGE Salt Model, shot number 145. In: Seismic Waves in Complex 3-D Structures, Report 15, pp. 189-206, Dep. Geophys., Charles Univ., Prague.
• Bucha, V. (2006): Ray tracing in the smoothed acoustic SEG/EAGE Salt Model. Part 2: Maps of reflections. In: Seismic Waves in Complex 3-D Structures, Report 16, pp. 17-28, Dep. Geophys., Charles Univ., Prague.
• Bucha, V. (2006): Comparison of finite-difference seismograms and ray-theory travel times in the elastic SEG/EAGE Salt Model, shot 145. In: Seismic Waves in Complex 3-D Structures, Report 16, pp. 29-46, Dep. Geophys., Charles Univ., Prague.
• Bucha, V. (2008): Gaussian packet prestack depth migration. Part 2: Optimized Gaussian packets. In: Seismic Waves in Complex 3-D Structures, Report 18, pp. 129-138, Dep. Geophys., Charles Univ., Prague.
• Bucha, V. (2009): Gaussian packet prestack depth migration. Part 3: Simple 2-D models. In: Seismic Waves in Complex 3-D Structures, Report 19, pp. 39-50, Dep. Geophys., Charles Univ., Prague.
• Bucha, V. (2010): Kirchhoff prestack depth migration in simple models of various anisotropy. In: Seismic Waves in Complex 3-D Structures, Report 20, Dep. Geophys., Charles Univ., Prague, pp. 35-52.
• Bucha, V. (2011): Kirchhoff prestack depth migration in 3-D models: Comparison of triclinic anisotropy with simpler anisotropies. In: Seismic Waves in Complex 3-D Structures, Report 21, Dep. Geophys., Charles Univ., Prague, pp. 47-62.
• Bucha, V. (2012): Kirchhoff prestack depth migration in velocity models with and without gradients: Comparison of triclinic anisotropy with simpler anisotropies. In: Seismic Waves in Complex 3-D Structures, Report 22, Dep. Geophys., Charles Univ., Prague, pp. 29-40.
• Bucha, V. (2013): Kirchhoff prestack depth migration in velocity models with and without vertical gradients: Comparison of triclinic anisotropy with simpler anisotropies. In: Seismic Waves in Complex 3-D Structures, Report 23, Dep. Geophys., Charles Univ., Prague, pp. 45-59.
• Bucha, V. (2013): Kirchhoff prestack depth migration in velocity models with and without rotation of the tensor of elastic moduli: Poorly displayed part of migrated interface in correct model with triclinic anisotropy. In: Seismic Waves in Complex 3-D Structures, Report 23, Dep. Geophys., Charles Univ., Prague, pp. 61-69.
• Bucha, V. (2013): Kirchhoff prestack depth migration in velocity models with and without rotation of the tensor of elastic moduli: Orthorhombic and triclinic anisotropy. In: Seismic Waves in Complex 3-D Structures, Report 23, Dep. Geophys., Charles Univ., Prague, pp. 71-80.
• Bucha, V. (2014): Kirchhoff prestack depth migration in orthorhombic velocity models with differently rotated tensors of elastic moduli. Seismic Waves in Complex 3-D Structures, 24, 59-75.
• Bucha, V. (2014): Kirchhoff prestack depth migration in triclinic velocity models with differently rotated tensors of elastic moduli. Seismic Waves in Complex 3-D Structures, 24, 77-93.
• Bucha, V. & Klimes, L. (2015): Nonlinear hypocentre determination in the 3-D Western Bohemia a priori velocity model. Seismic Waves in Complex 3-D Structures, 25, 37-50.
• Bucha, V. (2015): Kirchhoff prestack depth migration in a homogeneous triclinic velocity model for P, S and converted waves. Seismic Waves in Complex 3-D Structures, 25, 89-102.
• Bucha, V. (2016): Kirchhoff prestack depth migration in simple orthorhombic and triclinic models with differently rotated elasticity tensor: comparison with zero-offset travel-time perturbations. Seismic Waves in Complex 3-D Structures, 26, 81-102.
• Bucha, V. (2017): Comparison of Fourier pseudospectral method seismograms and ray-theory travel times in a simple triclinic model. Seismic Waves in Complex 3-D Structures, 27, 69-82.
• Bucha, V. (2018): Kirchhoff prestack depth scalar migration in a simple triclinic velocity model for three-component P, S and converted waves. Seismic Waves in Complex 3-D Structures, 28, 61-84.
• Bucha, V. (2018): Kirchhoff prestack depth scalar migration of complete wave field in a simple inhomogeneous weakly anisotropic velocity model: preliminary tests. Seismic Waves in Complex 3-D Structures, 28, 85-96.
• Bucha, V. (2018): Comparison of Fourier pseudospectral method seismograms and ray-theory travel times in a simple triclinic model: revealed direct wave. Seismic Waves in Complex 3-D Structures, 28, 97-112.
• Bucha, V. (2019): Kirchhoff prestack depth scalar migration of complete wave fields in simple inhomogeneous weakly anisotropic velocity models: PP, PS1 and PS2 waves. Seismic Waves in Complex 3-D Structures, 29, 19-38.
• Bucha, V. (2019): Kirchhoff prestack depth scalar migration of a complete wave field: stair-step interface. Seismic Waves in Complex 3-D Structures, 29, 39-44.
• Bucha, V. (2020): Kirchhoff prestack depth scalar migration of complete wave fields in a simple velocity model with triclinic anisotropy: PP, PS1 and PS2 waves. Seismic Waves in Complex 3-D Structures, 30, 29-40.
• Bucha, V. (2020): Ray-velocity vectors of reflected S1S1 and S2S2 waves displayed on the ray-velocity surfaces in a simple homogeneous velocity model with triclinic anisotropy. Seismic Waves in Complex 3-D Structures, 30, 63-72.
• Bucha, V. (2022): Kirchhoff prestack depth scalar migration of complete wave field using the prevailing-frequency approximation of the coupling ray theory. Seismic Waves in Complex 3-D Structures, 31, 7-29.

Other:

• Bucha, V. (1996): Reflection ray tracing in lignite seam model "COAL". NATO SfS GR-COAL project: Development of a methodology for assessing coal reserves employing surface and borehole seismic techniques, Report 1, Inst. of Rock Structure and Mechanics, Prague.

Selected international conferences:

• 1992, XXIII General Assembly of the European Seismological Commission, Prague, Czech Republic, oral presentation
• 1997, 29th General Assembly of IASPEI, Thessaloniki, Greece, poster
• 1998, 60th EAGE Conference, Leipzig, Germany, poster
• 2000, Workshop Meeting on Seismic Waves in Laterally Inhomogeneous Media V, Zahradky, Czech Republic, oral presentation
• 2003, EAGE/SEG Summer Research Workshop on 'Processing and imaging of seismic data' Using explicit or implicit velocity model information?, Trieste, Italy, oral presentation
• 2004, 74th SEG Annual Meeting, Denver, USA, oral presentation (presented by Karel Zacek)
• 2010, Workshop Meeting on Seismic Waves in Laterally Inhomogeneous Media 7, Tepla, Czech Republic, poster

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Last update: April 12, 2023