Ivan Psencik

Born:

Degrees:

• Graduated from Charles University, Prague, 1968, in Geophysics, diploma thesis on ray tracing.
  
• RNDr degree, Charles University, Prague, 1972, in Geophysics.
  
• PhD degree, Czechoslovak Academy of Sciences, Prague 1974, in Geophysics.
  

Employment:

• 1969: Mining Institute, Czechoslovak Academy of Sciences (CSAS), Prague.
  
• since 1970: Research worker at the Geophysical Institute CSAS, Prague.
  
• 1989-1992: Head of the Seismological department of the Geophysical Instiute CSAS, Prague.
  
• 1990-1992: Vicedirector of the Geophysical Institute CSAS, Prague.
  

Long-term visits:

• 1981 (2 months): Visiting Scientist at the University of Uppsala, Uppsala, Sweden.
  
• 1984 (3 months): Visiting Scientist at the M.I.T., Cambridge,U.S.A. and at the Stanford University, Stanford, U.S.A.
  
• 1986 (3 months): Visiting Professor at the University of Alberta, Edmonton, Canada.
  
• 1987 (1 month): Visiting Scientist at the University of Grenoble, Grenoble, France.
  
• 1989 (3 months) Visiting Scholar at the Lawrence Berkeley Lab., UC, Berkeley, U.S.A.
  
• 1992-1994 (2 years): Visiting Professor at the Universidade Federal da Bahia, Salvador, Brasil.
  
• 1995 (2 months): JSPS Fellowship at the University of Hiroshima, Japan.
  
• 1996 (3 months): Visiting Scientist at the Hamburg University, Hamburg, Germany.
  
• 2006-2010 (7 months): Visiting Professor at the Universite P.&M.Curie, Paris, France
  

Areas of research interests:

Selected papers:

• Cerveny,V. & Psencik,I. (1972): Rays and travel-time curves in inhomogeneous anisotropic media. Z.Geophys., 38, 565-577.
• Cerveny,V. & Psencik,I. (1972): Computation of diffracted rays in inhomogeneous media with curved interfaces. Studia geoph.et geod., 16, 356-366.
• Cerveny,V., Langer,J.& Psencik,I. (1974): Computation of geometric spreading of seismic body waves in laterally inhomogeneous media with curved interfaces. Geophys.J.R.astr.Soc., 38, 9-19.
• Popov,M.M. & Psencik,I. (1976): Whispering gallery waves in the vicinity of the bend of an interface. Doklady AN SSSR, 230, 822-825 (in Russian).
• Cerveny,V., Molotkov,I.A. & Psencik,I. (1977): Ray Method in Seismology, Charles University Press, Praha.
• Popov,M.M. & Psencik,I. (1978): Ray amplitudes in inhomogeneous media with curved interfaces. Travaux Inst.Geophys.Acad.Tchecosl. Sci. No.454, Geofysikalni sbornik 1976, Academia, Praha, 111-129.
• Popov,M.M. & Psencik,I.,1978. Computation of ray amplitudes in laterally inhomogeneous media with curved interfaces. Studia geoph.et geod., 22, 248-258.
• Cerveny,V. & Psencik,I. (1979): Ray amplitudes of seismic body waves in laterally inhomogeneous media. Geophys.J.R.astr.Soc., 57, 91-106.
• Psencik,I. (1979): Compressional, shear and converted seismic body waves in 3D laterally inhomogeneous media with curved interfaces. J.Geophys., 45, 381-390.
• Cerveny,V, Popov,M.M. & Psencik,I. (1982): Computation of wave fields in inhomogeneous media - Gaussian beam approach. Geophys.J.R.astr.Soc., 70, 109-128.
• Cerveny,V., Molotkov,I.A. & Psencik,I. (1982): Space-time ray method for seismic wave fields. Studia geophys.et geod., 26, 342-351.
• Cerveny,V. & Psencik,I. (1983): Gaussian beams in 2-D elastic inhomogeneous media. Geophys.J.R.astr.Soc., 72, 417-433.
• Cerveny,V. & Psencik,I. (1983): Gaussian beams and paraxial ray approximation in three-dimensional elastic inhomogeneous media. J.Geophys., 53, 1-15.
• Cerveny,V. & Psencik,I. (1984): Documentation of Earthquake Algorithms. SEIS83 - Numerical modeling of seismic wave fields in 2-D laterally varying layered structures by the ray method. E.R.Engdahl edit., Report SE-35, Boulder, 36-40.
• Cerveny, V., Klimes, L. & Psencik, I. (1984): Paraxial ray approximation in the computation of seismic wavefields in inhomogeneous media. Geophys. J. R. astr. Soc., 79, 89-104.
• Cerveny, V., Pleinerova, J., Klimes, L. & Psencik, I. (1987): High-frequency radiation from earthquake sources in laterally varying layered structures. Geophys. J. R. astr. Soc., 88, 43-79.
• Gajewski,D. & Psencik,I. (1987): Computation of high-frequency seismic wavefileds in 3-D laterally inhomogeneous anisotropic media. Geophys. J. R. astr. Soc., 91, 383-411.
• Moczo,P., Bard,P.-Y. & Psencik,I. (1987): Seismic response of 2-D absorbing structures by the ray method. J.Geophys., 62, 38-49.
• Cerveny, V., Klimes, L. & Psencik, I. (1988): Applications of the dynamic ray tracing. Phys. Earth planet. Interiors, 51, 25-35.
• Cerveny, V., Klimes, L. & Psencik, I. (1988): Complete seismic-ray tracing in three-dimensional structures. In: Doornbos, D.J. (ed.), Seismological Algorithms, pp. 89-168, Academic Press, New York.
• Gajewski, D. & Psencik, I. (1988): Ray synthetic seismograms for a 3-D anisotropic lithospheric structure. Phys. Earth planet. Interiors, 51, 1-23.
• Jech,J. & Psencik,I. (1989): First-order perturbation method for anisotropic media. Geophys.J.Int., 99, 369-376.
• Gajewski, D. & Psencik, I. (1990): Vertical seismic profile synthetics by dynamic ray tracing in laterally varying layered anisotropic structures. J. geophys. Res., 95B, 11301-11315.
• Nowack, R.L. & Psencik, I. (1991): Perturbation from isotropic to anisotropic heterogeneous media in the ray approximation. Geophys. J. int., 106, 1-10.
• Gajewski,D. & Psencik,I. (1992): Vector wave fields for weakly attenuating anisotropic media by the ray method. Geophysics, 57, 27-38.
• Jech, J. & Psencik, I. (1992): Kinematic inversion for qP- and qS-waves in inhomogeneous hexagonally symmetric structures. Geophys. J. int., 108, 604-612.
• Sileny, J. & Psencik, I. (1995): Mechanisms of local earthquakes in 3-D inhomogeneous media determined by waveform inversion. Geophys. J. int., 121, 459-474.
• Eisner,L. & Psencik,I. (1996): Computation of additional components of the first-order ray approximation in isotropic media. PAGEOPH, 148, 227-253.
• Psencik,I. & Teles,T.N. (1996): Point source radiation in inhomogeneous anisotropic structures. PAGEOPH, 148, 591-623.
• Gajewski,D. & Psencik,I. (1996): qP-wave phase velocities in arbitrary weak anisotropic media - a perturbation approach. 66th Ann. Internat. Mtg., Soc.Expl.Geophys., Expanded Abstracts, 1507-1510.
• Psencik,I. (1997): Quasi-isotropic approximation of the qS wave Green function in inhomogeneous weakly anisotropic media. Exp. Abstracts of the 5th SBGf, Vol.1, Sao Paulo, 259-262.
• Psencik,I. (1998): Quasi-isotropic approximation of the qS wave Green function. 68th Ann. Internat. Mtg., Soc.Expl.Geophys., Expanded Abstracts, 1795-1798.
• Psencik,I. (1998): Green's functions for inhomogeneous weakly anisotropic media. Geophys.J.Int., 135, 279-288.
• Psencik,I. & Gajewski,D. (1998): Polarization, phase velocity and NMO velocity of qP waves in arbitrary weakly anisotropic media. Geophysics, 63, 1754-1766.
• Psencik,I. & Vavrycuk,V. (1998): PP wave displacement R/T coefficients in weakly anisotropic media. PAGEOPH, 151, 699-718.
• Vavrycuk,V. & Psencik,I. (1998): PP-wave reflection coefficients in weakly anisotropic elastic media. Geophysics, 63, 2129-2141.
• Psencik, I. & Dellinger, J. (2001): Quasi-shear waves in inhomogeneous weakly anisotropic media by the quasi-isotropic approach: a model study. Geophysics, 66, 308-319.
• Psencik, I. & Martins, J.L. (2001): Properties of weak contrast PP reflection/transmission coefficients for weakly anisotropic media. Stud. geophys. geod., 45, 176-199.
• Sileny, J., Psencik, I. & Young, R.P. (2001): Point-source inversion neglecting nearby free surface: simulation of Underground Research Laboratory, Canada. Geophys. J. int., 146, 171-180.
• Psencik, I. & Vavrycuk, V. (2002): Approximate relation between the ray vector and wave normal directions in weakly anisotropic media. Stud. geophys. geod., 46, 793-807.
• Zheng, X. & Psencik, I. (2002): Local determination of weak anisotropy parameters from qP-wave slowness and particle motion measurements. Pure and appl. Geophys., 159, 1881-1905.
• Farra, V. & Psencik, I. (2003): Properties of the zero-, first- and higher-order approximations of attributes of elastic waves in weakly anisotropic media. J. Acoust. Soc. Am., 114, 1366-1378.
• Bulant, P., Klimes, L., Psencik, I. & Vavrycuk, V. (2004): Comparison of ray methods with the exact solution in the 1-D anisotropic "simplified twisted crystal" model. Stud. geophys. geod., 48, 675-688.
• Gomes, E., Zheng, X., Psencik, I., Horne, S. Leaney, S. (2004): Local determination of weak anisotropy parameters from a walkaway VSP qP-wave data in the Java Sea region. Stud. geophys. geod., 48, 215-231.
• Cerveny, V. & Psencik, I. (2005): Plane waves in viscoelastic anisotropic media -- I. Theory. Geophys. J. int., 161, 197-212.
• Cerveny, V. & Psencik, I. (2005): Plane waves in viscoelastic anisotropic media -- II. Numerical examples. Geophys. J. int., 161, 213-229.
• Psencik, I., Farra, V. (2005): First-order ray tracing for qP waves in inhomogeneous weakly anisotropic media. Geophysics, 70, D65-D75.
• Cerveny, V. & Psencik, I. (2006): Energy flux in viscoelastic anisotropic media. Geophys. J. int., 166, 1299-1317.
• Cerveny, V. & Psencik, I. (2006): Particle motion of plane waves in viscoelastic anisotropic media. Russ. Geol. Geophys., 47, 551-562. Printed also in Russian language: Geologiya i Geofizika, 47, 23-33.
• Bulant, P., Eisner, L., Psencik, I. & Le Calvez, J. (2007): Importance of borehole deviation surveys for monitoring of hydraulic fracturing treatments. Geophysical Prospecting, 55, 891-899.
• Cerveny, V., Klimes, L. & Psencik, I. (2007): Seismic ray method: Recent developments. Advances in Geophysics, 48, 1-126.
• Cerveny, V. & Psencik, I. (2007): Time-averaged and time-dependent energy-related quantities of waves propagating in inhomogeneous viscoelastic anisotropic media. Geophys. J. int., 170, 1253-1261.
• Iversen, E. & Psencik, I. (2007): Ray tracing for continuously rotated local coordinates belonging to a specified anisotropy. Stud. geophys. geod., 51, 37-58.
• Psencik, I. & Farra, V. (2007): First-order P-wave ray synthetic seismograms in inhomogeneous weakly anisotropic media. Geophys. J. int., 170, 1243-1252.
• Rössler, D., Krüger, F., Psencik, I. & Rümpker, G. (2007): Retrieval of source parmetrs of an event of the West Bohemia earthquake swarm in 2000 asuming anisotropy. Stud. geophys. geod., 51, 231-254.
• Cerveny, V., Klimes, L. & Psencik, I. (2008): Attenuation vector in heterogeneous, weakly dissipative, anisotropic media. Geophys. J. int., 175, 346-355.
• Cerveny, V. & Psencik, I. (2008): Weakly inhomogeneous plane waves in anisotropic, weakly dissipative media. Geophys. J. int., 172, 663-673.
• Cerveny, V. & Psencik, I. (2008): Weakly inhomogeneous plane waves in anisotropic, weakly dissipative media. Geophys. J. int., 172, 663-673.
• Cerveny, V. & Psencik, I. (2008): Quality factor Q in dissipative anisotropic media. Geophysics, 73, T63-T75.
• Farra, V. & Psencik, I. (2008): First-order ray computations of coupled S waves in inhomogeneous weakly anisotropic media. Geophys. J. int., 173, 979-989.
• Iversen, E. & Psencik, I. (2008): Ray tracing and inhomogeneous dynamic ray tracing for anisotropy specified in curvilinear coordinates. Geophys. J. int., 174, 316-330.
• Rössler, D., Krüger, F., Psencik, I. & Rümpker, G. (2008): Comments to "Retrieval of source parmetrs of an event of the West Bohemia earthquake swarm in 2000 asuming anisotropy". Stud. geophys. geod., 51, 231-254. Stud. geophys. geod., 52, 285-286.
• Cerveny, V. & Psencik, I. (2009): Perturbation Hamiltonians in heterogeneous anisotropic weakly dissipative media. Geophys. J. int., 178, 939-949.
• Cerveny, V. & Psencik, I. (2010): Gaussian beams in inhomogeneous anisotropic layered structures. Ray-centred coordinates. Geophys. J. int., 180, 798-812.
• Farra, V. & Psencik, I. (2010): Coupled S waves in inhomogeneous weakly anisotropic media using first-order ray tracing. Geophys. J. int., 180, 405-417.
• Farra, V. & Psencik, I. (2010): First-order reflection/transmission coefficients for unconverted plane P waves in weakly anisotropic media. Geophys. J. int., 183, 1443-1454.

SW3D