Dirk Johannes Gajewski

Possui graduação em Geofisica pela Technische Universitat Clausthal(1978), mestrado em Geofisica pela Technische Universitat Clausthal(1981), doutorado em Geofisica pela Universitat Karlsruhe(1987), pós-doutorado pela University of Calgary(2001) e pós-doutorado pela Universidade Estadual de Campinas(2003). Atualmente é professor titular da Universitat Hamburg. Tem experiência na área de Geociências, com ênfase em Geofísica.

Informações coletadas do Lattes em 10/11/2022

Acadêmico

Formação acadêmica

Doutorado em Geofisica

1981 - 1987

Universitat Karlsruhe
Título: Ray theoretical seismograms for arbitrary heterogeneous anisotropic media - with applications to the southern german lithosphere
Orientador: Karl Fuchs

Mestrado em Geofisica

1978 - 1981

Technische Universitat Clausthal
Orientador: Roland Vees

Graduação em Geofisica

1976 - 1978

Technische Universitat Clausthal

Pós-doutorado

2003 - 2003

Pós-Doutorado. , Universidade Estadual de Campinas.

2001 - 2001

Pós-Doutorado. , University of Calgary.

Idiomas

Inglês

Compreende Bem, Fala Bem, Lê Bem, Escreve Bem.

Alemão

Compreende Bem, Fala Bem, Lê Bem, Escreve Bem.

Áreas de atuação

Grande área: Ciências Exatas e da Terra / Área: Geociências / Subárea: Geofísica/Especialidade: Geofísica Aplicada.

Grande área: Ciências Exatas e da Terra / Área: Geociências / Subárea: Geofísica/Especialidade: Sismologia.

Grande área: Ciências Exatas e da Terra / Área: Geociências / Subárea: Geologia/Especialidade: Prospecção Mineral.

Orientou

M; Golovnina; Modeling and inversion in weakly anisotropic media; 2004; Tese (Doutorado em Geofisica) - Universitat Hamburg,; Orientador: Dirk Johannes Gajewski;

Radu A

Coman; Computation of multivalued traveltimes in three-dimensional heterogeneous media; 2003; Tese (Doutorado em Geofisica) - Universitat Hamburg,; Orientador: Dirk Johannes Gajewski;

Claudia Vanelle

Traveltime-based True-amplitude Migration; 2002; Tese (Doutorado em Geofisica) - Universitat Hamburg,; Orientador: Dirk Johannes Gajewski;

M; Menyoli; Model Building and Imaging with Reflection Data; 2002; Tese (Doutorado em Geofisica) - Universitat Hamburg,; Orientador: Dirk Johannes Gajewski;

Andre Leidenfrost

Fast traveltime computation in two and three dimensions; 1999; Tese (Doutorado em Geofisica) - Universitat Hamburg,; Orientador: Dirk Johannes Gajewski;

Joachim Falk

Efficient seismic modeling of small-scale inhomogeneities by the finite-difference method; 1998; Tese (Doutorado em Geofisica) - Universitat Hamburg,; Orientador: Dirk Johannes Gajewski;

Lambrecht; Integration reflexionsseismischer und geologisch bilanzierter Profile mittels seismischer Modellierung; 1997; Tese (Doutorado em Geofisica) - Universitat Hamburg,; Orientador: Dirk Johannes Gajewski;

Norman Ettrich

Schnelle Laufzeitberechnung mit Anwendungen auf die Prestack-Kirchhoff-Migration; 1996; Tese (Doutorado em Geofisica) - Universitat Hamburg,; Orientador: Dirk Johannes Gajewski;

Produções bibliográficas

EHRHARDT, A. ; HUEBSCHER, Ch. ; BEN-AVRAHAM, Z. ; GAJEWSKI, D. . Seismic study of pull-apart induced sedimentation and deformation in the Northern Gulf of Aqaba (Elat). Tectonophysics (Amsterdam) , v. 396, p. 59-79, 2005.
GRADMANN, S. ; HUEBSCHER, Ch. ; BEN-AVRAHAM, Z. ; GAJEWSKI, D. ; NETZEBAND, G. . Salt tectonic off northern Israel. Marine Geology , 2005.
HANSEN, M. B. ; LYKKE-ANDERSEN, H. ; DEHGHANI, A. ; GAJEWSKI, D. ; HUEBSCHER, Ch. ; OLESEN, M. ; REICHERTER, K. . The mesozoic and cenozoic geological evolution of the Bay of Kiel, western Baltic Sea. International Journal of Earth Sciences, 2005.
KAISER, A. ; REICHERTER, K. ; HUEBSCHER, Ch. ; GAJEWSKI, D. . Variations of the present-day stress field within the North German Basin insights from thin shell FE-modeling based on residual GPS-velocities. Tectonophysics (Amsterdam) , v. 397, p. 55-72, 2005.
NETZEBAND, G. ; HUEBSCHER, Ch. ; GAJEWSKI, D. ; GROBYS, J. W. G. ; BIALAS, J. . Seismic velocities from the Yaquina Forearc Basin off Peru: Evidence for Free Gas within the Gas Hydrate Stability Zone. International Journal of Earth Sciences, 2005.
VANELLE, C. ; DETTMER, J. ; GAJEWSKI, D. . Second-order interpolation of later-arrival traveltimes. Geophysical Prospecting , 2005.
VANELLE, C. ; SPINNER, M. ; HERTWECK, T. ; JAEGER, C. ; GAJEWSKI, D. . Traveltime-based true-amplitude migration. Geophysics , 2005.
MENYOLI, E. ; GAJEWSKI, D. ; HUEBSCHER, Ch. . Imaging of complex basin structures with the CRS stack method. Geophysical Journal International , v. 157, p. 1206-1216, 2004.
EHRHARDT, A. ; HUEBSCHER, Ch. ; GAJEWSKI, D. . Conrad-, Shaban-, and Kebrit Deeps: Classification of three northern Red-Sea Deeps. Marine Geology , 2004.
EHRHARDT, A. ; HUEBSCHER, Ch. ; GAJEWSKI, D. . Conrad Ocean Deep, Northern Red Sea: Transtension Basin within the Axial Depression. Tectonophysics (Amsterdam) , 2004.
COMAN, R. ; GAJEWSKI, D. . Traveltime computation by wavefront-oriented ray tracing. Geophysical Prospecting , v. 53, p. 23-36, 2004.
GAJEWSKI, D. ; VANELLE, C. ; PSENCIK, I. . Advances in Seismic Anisotropy. Journal of Applied Geophysics , v. 54, p. 161-454, 2003.
GAJEWSKI, D. ; MAYSTRENKO, Y. ; STOVBA, S. ; STEPHENSON, R. ; BAYER, U. ; MENYOLI, E. ; HUEBSCHER, Ch. ; RABBEL, W. ; SAINTOT, A. ; STAROSTENKO, V. . Crustal-scale pop-up structure in cratonic lithosphere: DOBRE deep seismic reflection study of the Donbas Foldbelt. Geology , v. 31, p. 733-736, 2003.
SOUKINA, S. M. ; GAJEWSKI, D. ; KASHTAN, B. M. . Traveltime computation for 3-D anisotropic media by a finite-difference perturbation method. Geophysical Prospecting , v. 51, p. 431-441, 2003.
VANELLE, C. ; GAJEWSKI, D. . Determination of geometrical spreading from traveltimes in anisotropic media. Journal of Applied Geophysics , v. 54, p. 391-400, 2003.
DOBREflection and DOBREfraction working groups ; GAJEWSKI, D. . DOBRE studies evolution of inverted intra-cratonic rifts in Ukraine. EOS Transactions. American Geophysical Union , v. 83, p. 323-326, 2002.
GAJEWSKI, D. ; COMAN, R. ; VANELLE, C. . Amplitude Preserving Kirchhoff Migration: a Traveltime Based Strategy. Studia Geophysica et Geodaetica, v. 46, p. 193-211, 2002.
VANELLE, C. ; GAJEWSKI, D. . Second-order interpolation of traveltimes. Geophysical Prospecting , v. 50, p. 73-83, 2002.
VANELLE, C. ; GAJEWSKI, D. . True-amplitude migration weights from traveltimes. Pure and Applied Geophysics , v. 195, p. 1583-1599, 2002.
ETTRICH, N. ; GAJEWSKI, D. ; KASHTAN, B. M. . Reference ellipsoids for anisotropic media. Geophysical Prospecting , v. 49, p. 321-334, 2001.
VANELLE, C. ; GAJEWSKI, D. . Determining the optimum migration aperture from traveltimes. Journal of Seismic Exploration , v. 10, p. 205-224, 2001.
GAJEWSKI, D. ; RABBEL, W. . Seismic Exploration of the Deep Continental Crust. Pure and Applied Geophysics , v. 156, n.1/2, p. 1-370, 1999.
GAJEWSKI, D. ; LAMBRECHT, A. ; ONCKEN, O. . An Attempt to Integrate Reflection Seismics and Balanced Profiles. Pure and Applied Geophysics , v. 156, n.1/2, p. 207-232, 1999.
LEIDENFROST, A. ; ETTRICH, N. ; GAJEWSKI, D. ; KOSLOFF, D. . Comparison of Six Methods for Computing Travel Times. Geophysical Prospecting , v. 47, p. 269-297, 1999.
RABBEL, W. ; GAJEWSKI, D. . Foreword: Seismic Exploration of the Deep Continental Crust. Pure and Applied Geophysics , v. 156, n.1/2, p. 1-6, 1999.
FALK, J. ; TESSMER, E. ; GAJEWSKI, D. . Efficient Finite-Difference modelling of seismic waves using locally adjustable time steps. Geophysical Prospecting , v. 46, p. 603-616, 1998.
ETTRICH, N. ; GAJEWSKI, D. . Traveltime computation by perturbation with FD-eikonal solvers in isotropic and weakly anisotropic media. Geophysics , v. 63, p. 1066-1078, 1998.
PSENCIK, I. ; GAJEWSKI, D. . Polarization, phase velocity and NMO velocity of qP-waves in arbitrary weakly anisotropic media. Geophysics , v. 63, p. 1754-1766, 1998.
SUN, J. ; GAJEWSKI, D. . On the computation of true-amplitude weighting functions. Geophysics , v. 63, p. 1648-1651, 1998.
ZILLMER, M. ; GAJEWSKI, D. ; KASHTAN, B. M. . Anisotropic reflection coefficients for a weak-contrast interface. Geophysical Journal International , v. 132, p. 159-166, 1998.
ZILLMER, M. ; KASHTAN, B. M. ; GAJEWSKI, D. . Quasi-isotropic approximation of ray theory for anisotropic media. Geophysical Journal International , v. 132, p. 643-653, 1998.
SUN, J. ; GAJEWSKI, D. . True-amplitude common-shot migration revisited. Geophysics , v. 62, p. 1250-1259, 1997.
ZILLMER, M. ; GAJEWSKI, D. ; KASHTAN, B. M. . Reflection coefficients for weak anisotropic media. Geophysical Journal International , v. 129, p. 389-398, 1997.
ETTRICH, N. ; GAJEWSKI, D. . Wavefront construction in smooth media for pre-stack depth migration. Pure and Applied Geophysics , v. 148, n.3/4, p. 481-502, 1996.
FALK, J. ; TESSMER, E. ; GAJEWSKI, D. . Tube wave modelling by the Finite-Difference Method with varying grid spacing. Pure and Applied Geophysics , v. 148, n.1/2, p. 77-93, 1996.
KRISP Working Party ; GAJEWSKI, D. . Group takes a fresh look at the Lithosphere underneath southern Kenya. EOS Transactions. American Geophysical Union , v. 76, n.8, 1995.
GAJEWSKI, D. ; SCHULTE, A. ; RIAROH, D. ; THYBO, H. . Deep seismic sounding in the area of the Turkana Depression, northern Kenya Rift. Tectonophysics (Amsterdam) , v. 236, p. 165-178, 1994.
MECHIE, J. ; KELLER, G. R. ; GACIRI, S. ; PRODEHL, C. ; GAJEWSKI, D. . Crustal structure beneath the Kenya Rift from axial profile data. Tectonophysics (Amsterdam) , v. 236, p. 179-200, 1994.
GAJEWSKI, D. . Radiation from point sources in general anisotropic media. Geophysical Journal International , v. 113, p. 229-317, 1993.
GAJEWSKI, D. ; PSENCIK, I. . Vector wave fields for weakly attenuating anisotropic media by the ray method. Geophysics , v. 57, p. 27-38, 1992.
ACHAUER, U. ; MAGUIRE, P. K. H. ; MECHIE, J. ; GREEN, W. V. ; KRISP Working Party ; GAJEWSKI, D. . Some remarks on the structure and geodynamics of the Kenya Rift. Tectonophysics (Amsterdam) , p. 257-268, 1992.
GAJEWSKI, D. ; KRISP Working Party . Large scale variations in lithospheric structure along and across the Kenya Rift. Nature (London) , v. 354, p. 223-227, 1991.
ZEIS, St. ; GAJEWSKI, D. ; PRODEHL, C. . Crustal structure of southern Germany from seismic refraction data. Tectonophysics (Amsterdam) , v. 176, p. 59-86, 1990.
GAJEWSKI, D. ; PSENCIK, I. . Vertical seismic profile synthetics by dynamic ray tracing in laterally varying layered anisotropic structures. Journal of Geophysical Research , v. 95, p. 11301-11316, 1990.
GAJEWSKI, D. ; FUCHS, K. ; STANGL, R. ; SANDMEIER, K.-J. . A new constraint on the composition of the topmost continatal mantle - Anomalously different depth increases of P- and S-velocity. Geophysical Journal International , v. 103, p. 497-508, 1990.
GAJEWSKI, D. ; PSENCIK, I. . Ray synthetic seismograms for a 3-D anisotropic lithospheric structure. Physics of the Earth and Planetary Interiors , v. 51, p. 1-23, 1988.
HOLBROOK, W. S. ; GAJEWSKI, D. ; KRAMMER, A. ; PRODEHL, C. . An interpretation of wide angle compressional and shear wave data in Southwest Germany: Poisson's ratio and petrological implications. Journal of Geophysical Research , v. 93, p. 12081-12106, 1988.
FUCHS, K. ; BONJER, K.-P. ; GAJEWSKI, D. ; LUESCHEN, E. ; PRODEHL, C. ; SANDMEIER, K.-J. ; WENZEL, F. . rustal evolution of the Rhinegraben area I: Exploring the lower crust by unified geophysical experiments. Tectonophysics (Amsterdam) , v. 141, p. 261-275, 1987.
GAJEWSKI, D. ; PRODEHL, C. . Seismic-refraction investigation of the Black Forest. Tectonophysics (Amsterdam) , v. 142, p. 27-48, 1987.
GAJEWSKI, D. ; HOLBROOK, W. S. ; PRODEHL, C. . Combined seismic reflection and refraction profiling in Southwest Germany - detailed velocity mapping by the refraction survey. Geophysical Journal of the Royal astronomical Society, v. 89, p. 333-338, 1987.
GAJEWSKI, D. ; HOLBROOK, W. S. ; PRODEHL, C. . A threedimensional crustal model of Southwest Germany derived from refraction-seismic data. Tectonophysics (Amsterdam) , v. 142, p. 49-70, 1987.
GAJEWSKI, D. ; PSENCIK, I. . High frequency seismic wave fields in laterally inhomogeneous anisotropic media. Geophysical Journal of the Royal astronomical Society, v. 91, p. 383-411, 1987.
HOLBROOK, W. S. ; GAJEWSKI, D. ; PRODEHL, C. . hear-wave velocity and Poisson's ratio structure of the upper lithospere in Southwest Germany. Geophysical Research Letters , v. 14, p. 231-234, 1987.
GAJEWSKI, D. ; PRODEHL, C. . Crustal structure beneath the Swabian Jura, SW-Germany, from seismic refraction investigations. Journal of Geophysics , v. 56, p. 69-80, 1985.
Baier, B. ; BERCKHEMER, H. ; GAJEWSKI, D. ; GREEN, R W ; GRIMSEL, Ch ; VEES, R . Deep seismic sounding in the area of the Damara-Orogen Namibia, South West Africa. Journal of Geophysics , v. 56, p. 69-80, 1983.
GAJEWSKI, D. . Compressional- and shear-wave velocity models of the Schwarzwald derived from seismic refraction data. In: Emmermann, R.; Wohlenberg, J.. (Org.). The German Deep Drilling Program. Heidelberg: Springer-Verlag, 1989, v. 1, p. 363-383.
Baier, B. ; BERCKHEMER, H. ; GAJEWSKI, D. ; GREEN, R W ; GRIMSEL, Ch ; VEES, R . Deep seismic sounding in the area of the Damara-Orogen Namibia, South West Africa. In: Martin, H.; Eder, F.W.. (Org.). Intracontinental Fold Belts. Berlin: Springer-Verlag, 1983, v. 1, p. 885-900.
ZILLMER, M. ; GAJEWSKI, D. ; KASHTAN, B. M. . Plane wave reflection coefficients for two weakly anisotropic elastic halfspaces in welded contact. In: 30th seminar 'Day on Diffraction', 1997. Proceedings of the 30th seminar 'Day on Diffraction', 1997. v. 1. p. 140-148.
GAJEWSKI, D. . Mais que 80 Resumos Expandidos em Congressos Internacionais. In: Diversos, 2005. Proceedings e Livros de Resumos.

Histórico profissional

Endereço profissional

Universitat Hamburg, Instituto de Geofisica. , Bundesstrasse 55, 20146 - Hamburg, - Alemanha, Telefone: (4940) 4248382975, Fax: (4940) 428385441, URL da Homepage:

Experiência profissional

1993 - Atual

Universität Hamburg

Vínculo: Servidor Público, Enquadramento Funcional: Professor titular, Carga horária: 40, Regime: Dedicação exclusiva.

Atividades

02/1993
Pesquisa e desenvolvimento , Instituto de Geofisica, .,Linhas de pesquisa
02/1993
Ensino, Geofisica, Nível: Graduação,Disciplinas ministradas, Sismica Apllicada, Metodo dos raios, Anisotropia Sismica, Migracao Sismica, Modelamento de Ondas Sismicas, Processamento de Sinais I/II, Ondas Sismicas I/II, Sismica Aplicada

1989 - 1993

Technische Universitat Clausthal

Vínculo: Pesquisador Assistente, Enquadramento Funcional: Pesquisador Assistente, Carga horária: 40, Regime: Dedicação exclusiva.

Atividades

10/1989 - 02/1993
Pesquisa e desenvolvimento , Instituto de Geofisica, .,Linhas de pesquisa

1987 - 1989

Stanford University

Vínculo: Escolar Visitante, Enquadramento Funcional: Escolar Visitante, Carga horária: 40, Regime: Dedicação exclusiva.

Atividades

06/1987 - 09/1989
Pesquisa e desenvolvimento , Department of Geophysics, .,Linhas de pesquisa

1981 - 1987

Universitat Karlsruhe

Vínculo: Colaborador, Enquadramento Funcional: Colaborador, Carga horária: 20, Regime: Dedicação exclusiva.

Atividades

10/1981 - 05/1987
Pesquisa e desenvolvimento , Instituto de Geofisica, .,Linhas de pesquisa