Daniel Köhn – Curriculum Vitae

Daniel Köhn
Curriculum Vitae
Í
Otto-Hahn-Platz 1
24118 Kiel, Germany
T +49 431 880 4566
B [email protected]
www.geophysik.uni-kiel.de/∼dkoehn
Personal Information
Nationality
Birth date
Birth place
Marital status
German
October 18, 1977
Preetz, Germany
Single
Scientific interests
Topics High resolution imaging of the subsurface at ultrasonic, near surface and reservoir scale using full waveform inversion, applications in non-destructive testing,
geophysical engineering and archeogeophysics
Physics (Visco-)elastic media with different degrees of anisotropy and poroelastic media,
P-/SH-body waves and interface waves (Rayleigh-, Love-, Stoneley- and Scholtewaves)
Methods Full waveform inversion, seismic modeling using finite-difference and finite-element
methods, non-linear multiparameter inversion in time-, frequency- and Laplacedomain, local and (semi-)global optimization methods, high performance computing
on massive CPU- and GPU-clusters
Google http://scholar.google.de/citations?user=2VTv7lMAAAAJ
Scholar
ResearchGate https://www.researchgate.net/profile/Daniel_Koehn2
Github https://github.com/daniel-koehn
Education
since 2011 Post-Doc at the Institute of Geophysics, Kiel University, Germany
2011 Graduation (PhD) at Kiel University with a thesis on "Time Domain 2D Elastic Full
Waveform Tomography" under supervision of Wolfgang Rabbel and Thomas Bohlen
2009–2011 PhD student at the Institute of Geophysics, Kiel University, Germany
2006–2009 PhD student at the Institute of Geophysics, TU Bergakademie Freiberg, Germany
2006 PhD student at the Institute of Geophysics, Kiel University, Germany
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2005 Graduation (diploma) at the Institute of Geophysics, Kiel University with a thesis
entitled ”On the numerical stability of spatial variable finite-difference grids in
seismic modelling” under supervision of Thomas Bohlen
1997–2005 Study of physics and geophysics at Christian-Albrechts-University Kiel, Germany
1984–1997 Elementary school (Raisdorf) and Gymnasium (Preetz)
Positions
since 2012 Post-Doc at the University of Kiel, Institute of Geophysics. Work on monitoring
of gas storage sites using elastic time-lapse waveform inversion within the ”ANGUS+”(Auswirkungen der Nutzung des geologischen Untergrundes als thermischer,
elektrischer oder stofflicher Speicher im Kontext der Energiewende - Dimensionierung, Risikoanalysen und Auswirkungsprognosen als Grundlagen einer zukünftigen
Raumplanung des Untergrundes) project (BMBF grant)
2009-2012 PhD student at the University of Kiel, Institute of Geophysics. Work on modeling and
inversion of Stoneley-waves within the ”FINO3” project (BMU (Bundesministerium
für Umwelt, Naturschutz und Reaktortechnik) grant, KERN Regionalprogramm
2000, Land Schleswig Holstein)
2006–2009 PhD student at the Institute of Geophysics, TU Bergakademie Freiberg. Work on
time domain full waveform inversion and numerical modelling of seismic waves,
partly funded by WesternGeco.
2006 PhD student at the University of Kiel, Institute of Geophysics within the ”Scherseis
3D project” (DFG grant (BO 1727/2-1)).
2003–2006 Student assistent at the Institute of Geophysics (Kiel University) working with
T.Bohlen; Seismic Finite-Difference modeling of wave propagation in model dikes
to characterize moisture penetration; 3D finite- difference modeling for seismic
prediction ahead of tunnel constructions; development of a spatial variable FD code
for the modelling of waves in 2D isotropic elastic media.
2002–2003 Student assistent at the Institute of Theoretical Physics and Astrophysics (Kiel
University) in H.G. Schuster’s group; Supervisor of the exercises for the lectures
Theoretical Physics II: ”Electrodynamics” and Theoretical Physics IV: ”Statistical
Mechanics”; numerical modeling of crystal growth using simulated annealing.
1999–2000 Student assistant at the Institute of Mineralogy (Kiel University) in C.H. Geiger’s
group; Investigation of the Cordierite phase transition; X-Ray Diffraction- and
Mössbauerspectroscopy.
Teaching
since 2011 ”Introduction to seismic full waveform inversion” as part of the lecture ”Inverse
Theory” by Wolfgang Rabbel, Kiel University (Germany): http://www.geophysik.unikiel.de/∼dkoehn/FWT.htm
2006-2009 Magnetic survey field exercise, TU Bergakademie Freiberg (Germany)
2006-2007 Exercises for the lecture ”Seismic”, TU Bergakademie Freiberg (Germany)
2006-2010 Lecture with exercises ”Theory of seismic waves”, TU Bergakademie Freiberg
(Germany)
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2006 ”Introduction to the theory of seismic waves” as part of the lecture ”Seismik I” by
Wolfgang Rabbel, Kiel University (Germany)
Diploma and Master student supervision
2015-2016 Co-supervisor with T. Meier of Tim Steinkraus, Master thesis Kiel University.
”Untersuchung der Verwitterung von Natursteinen mittels Inversion von Ultraschallwellenformen”
2014–2015 Co-supervisor with W. Rabbel of Daniel Wehner, Master thesis Kiel University.
”A combined elastic waveform and gravity inversion for improved density model
resolution applied to the Marmousi-II model”
2013–2015 Co-supervisor with W. Rabbel of Eva Dokter, Diploma thesis Kiel University. ”Nearsurface 2D SH-waveform inversion - A Case Study from Slovakia”
2013 Co-supervisor with T. Meier of Moritz Raimund Phillip Fehr, Master thesis Kiel University. ”Wellenforminversion von Ultraschalloberflächenmessungen und Anwendung
auf Asphaltstraßenbelag”
2010 Co-supervisor with S. Buske and J. Mispel of Ina Storch, Diploma thesis TU
Bergakademie Freiberg. ”2D Joint Full Waveform Inversion of elastic surface and
VSP seismic data in time domain”
2009 Co-supervisor with T. Meier of David Rose, Diploma thesis Kiel University. ”Untersuchung der Geschwindigkeit und Dämpfung von Rayleighwellen in wassergesättigten
Sandsteinen”
Editorial activities
since 2009 Reviewer for journals Journal of Computational and Applied Mathematics, Geophysics, Geophysical Journal International, Computers & Geosciences, Nature Geoscience and Journal of Applied Geophysics
Honors and Awards
2009 DGG-award ”One of the three best oral presentations of young scientists” at the 69th
annual meeting of the Deutsche Geophysikalische Gesellschaft in Kiel (Germany) for
the talk: Daniel Köhn, André Kurzmann, Anna Przebindowska, Denise De Nil, Nhi
Nguyen and Thomas Bohlen: Elastische Full Waveform Tomographie synthetischer
seismischer Mehrkomponenten Reflexionsdaten.
Computer skills
Operating Linux (Unix), DOS, Windows
Systems
Programming C, CUDA, MPI, Fortran 77/90, Matlab, Mathematica, shell-scripts, C++,
Numpy/SciPy/SymPy/Matplotlib
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Developed
Codes { DENISE - 2D time-domain isotropic (visco-)elastic finite-difference modeling
and waveform inversion code for P/SV and SH-waves, developed together with
Andre Kurzmann and Denise De Nil. Further contributions by Lisa Groos, Martin
Schäfer, Sven Heider and Linbin Zhang
{ SAVA - 3D time-domain elastic finite-difference modeling and waveform inversion
code for general anisotropic media with up to 21 elastic constants, developed
together with Olaf Hellwig and Denise De Nil
{ GERMAINE - 2D frequency-domain acoustic finite-difference modeling and inversion code, developed together with Denise De Nil
{ RAJZEL - 2D parallel first-arrival traveltime modelling and inversion code using
an Eikonal solver and the adjoint state method, developed together with Denise
De Nil
{ BIRGIT - 2D time-domain isotropic acoustic/elastic nodal discontinous Galerkin
FE modeling and inversion code for P/SV and SH-waves, developed together
with Denise De Nil
Visualization VisIt, Paraview, VTK, IDL
Software Seismic Unix, LATEX, ...
Languages
German native language
English fluent
Interests
- Astronomy
- Photography (https://www.flickr.com/photos/daniel_koehn/)
Publications in peer-reviewed international journals
[4] D. Köhn, O. Hellwig, D. De Nil, and W. Rabbel. “Waveform inversion in triclinic anisotropic
media – a resolution study.” In: Geophysical Journal International 201.3 (2015), pp. 1642–
1656.
[3] S.A. al Hagrey, D. Köhn, and W. Rabbel. “Geophysical assessments of renewable gas energy
compressed in geologic pore storage reservoirs.” In: SpringerPlus 3.1 (2014), pp. 1–16.
[2] A. Kurzmann, A. Przebindowska, D. Köhn, and T. Bohlen. “Acoustic full waveform tomography
in the presence of attenuation: a sensitivity analysis.” In: Geophysical Journal International
195.2 (2013), pp. 985–1000.
[1] D. Köhn, D. De Nil, A. Kurzmann, A. Przebindowska, and T. Bohlen. “On the influence
of model parametrization in elastic full waveform tomography.” In: Geophysical Journal
International 191.1 (2012), pp. 325–345.
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Thesis
[2] D. Köhn. “Time Domain 2D Elastic Full Waveform Tomography.” available at http://nbnresolving.de/urn:nbn:de:gbv:8-diss-67866. PhD thesis. Kiel University, 2011.
[1] D. Köhn. “Modellierung elastischer Wellen auf einem variablen Finite-Differenzen-Gitter.” available at http://www.geophysik.uni-kiel.de/∼dkoehn/publications/diplomarbeit_dkoehn.pdf.
Diploma thesis. Kiel University, 2005.
Patents
[1] H. Mathiszik, T.W. Geerits, T. Bohlen, D. De Nil, D. Köhn, O. Hellwig, and S. Jetschny.
“Imaging of formation structure ahead of the drill-bit.” Patent US 8055448 B2 (US). Nov.
2011. url: http://www.google.com/patents/US8055448.
Proceedings of international conferences with peer-review
[15] D. Köhn, E. Dokter, D. Wilken, D. De Nil, and W. Rabbel. “Near-surface 2D SH-waveform
inversion - A Case Study from Slovakia.” In: 77th EAGE Conference and Exhibition 2015.
Madrid, 2015, WS10–C01.
[14] D. Köhn, T. Meier, M. Auras, D. De Nil, and M. Fehr. “Application of 2D (visco)-elastic
Rayleigh Waveform Inversion to Ultrasonic Data from the Porta Nigra in Trier (Germany).”
In: 77th EAGE Conference and Exhibition 2015. Madrid, 2015, WS10–C04.
[13] D. Wehner, D. Köhn, D. De Nil, S. Schmidt, S.A. al Hagrey, H.-J. Götze, and W. Rabbel.
“A combined elastic waveform and gravity inversion for improved density model resolution
applied to the Marmousi-II model.” In: 77th EAGE Conference and Exhibition 2015. Madrid,
2015, Th P5 10.
[12] E. Dokter, D. Köhn, D. Wilken, and W. Rabbel. “Application of Elastic 2D Waveform
Inversion to a Near Surface SH-wave Dataset.” In: 76th EAGE Conference and Exhibition
2014. Amsterdam, 2014, WE P01 12.
[11] D. Köhn, S.A. al Hagrey, K. Benisch, W. Rabbel, and S. Bauer. “Combined Seismic Waveform
Inversion and Geoelectrical Monitoring for CO2 Storage Using a Synthetic Field Site.” In: 76th
EAGE Conference and Exhibition 2014. Amsterdam, 2014, We ELI1 14.
[10] D. Köhn, S.A. al Hagrey, and W. Rabbel. “Monitoring of elastic and petrophysical material
parameters of a synthetic CAES storage site by 2D waveform inversion.” In: 76th EAGE
Conference and Exhibition 2014. Amsterdam, 2014, We P01 11.
[9] K. Benisch, D. Köhn, S. al Hagrey, W. Rabbel, and S. Bauer. “Comparative Study of CO2
Mass Quantification Using Process Modelling and Geophysical Techniques.” In: Sustainable
Earth Sciences 2013. Pau, 2013, A017.
[8] S.A. al Hagrey, D. Köhn, and W. Rabbel. “Feasibility Study of Applying Geoelectric and
Gravity Techniques for CAES Reservoir Monitoring.” In: Sustainable Earth Sciences 2013. Pau,
2013, G010.
[7] D. Köhn, S.A. al Hagrey, and W. Rabbel. “Monitoring of Underground Gas Storage Sites by
Elastic 2D Time-lapse Waveform Inversion.” In: Sustainable Earth Sciences 2013. Pau, 2013,
G009.
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[6] A. Przebindowska, A. Kurzmann, D. Köhn, and T. Bohlen. “The Role of Density in Acoustic Full
Waveform Inversion of Marine Reflection Seismics.” In: 74th EAGE Conference & Exhibition.
Copenhagen, 2012, W027.
[5] A. Przebindowska, A. Kurzmann, T. Bohlen, and D. Köhn. “2D Acoustic Full Waveform
Tomography of Marine Streamer Data-Problems and Data Preprocessing.” In: 73rd EAGE
Conference & Exhibition. Vienna, 2011, P026.
[4] I. Wenske, J. Mispel, and D. Köhn. “2D Joint Full Waveform Inversion of Elastic Surface and
VSP Seismic Data in Time Domain.” In: 73rd EAGE Conference & Exhibition. Vienna, 2011,
SP09.
[3] D. Köhn, D. De Nil, A. Przebindowska, A. Kurzmann, and T. Bohlen. “2D elastic full
waveform tomography of synthetic marine reflection seismic data.” In: 72nd EAGE Conference
& Exhibition. Barcelona, 2010, P385.
[2] T. Bohlen, A. Kurzmann, D. Koehn, A. Przebindowska, and N. Nguyen. “2D Acoustic
Full Waveform Tomography–Performance and Optimization.” In: 71st EAGE Conference &
Exhibition. Amsterdam, 2009, P006.
[1] A. Kurzmann, D. Köhn, and T. Bohlen. “Comparison of acoustic full waveform tomography
in the time-and frequency-domain.” In: 70th EAGE Conference & Exhibition-Workshops and
Fieldtrips. Rome, 2008, W078.
Conference participation without peer-reviewed abstracts
[34] D. Köhn, D. De Nil, and W. Rabbel. “Bestimmung von langwelligen Startmodellen für die
seismische Wellenforminversion – Teil 1 Ersteinsatztomographie basierend auf der AdjointState Methode.” In: Abstracts of the 76th annual meeting of the Deutsche Geophysikalische
Gesellschaft. Münster, Germany: DGG, 2016.
[33] D. Köhn, D. De Nil, and W. Rabbel. “Bestimmung von langwelligen Startmodellen für
die seismische Wellenforminversion – Teil 2 CRS-Stack und NIP-Wellentomographie.” In:
Abstracts of the 76th annual meeting of the Deutsche Geophysikalische Gesellschaft. Münster,
Germany: DGG, 2016.
[32] D. Köhn, D. De Nil, and W. Rabbel. “Time-domain full waveform inversion adjoint state
gradients for the stress-velocity formulation of the visco-elastic problem based on a decomposed
impedance matrix.” In: Abstracts of the 76th annual meeting of the Deutsche Geophysikalische
Gesellschaft. Münster, Germany: DGG, 2016.
[31] D. Köhn, D. Wilken, T. Wunderlich, D. De Nil, and W. Rabbel. “Abbildung einer oberflächennahen 2D Struktur in der thrakischen Hafenstadt Ainos mit einer 2D-Rayleighwellenforminversion.”
In: Abstracts of the 75th annual meeting of the Deutsche Geophysikalische Gesellschaft. Hannover, Germany: DGG, 2015.
[30] D. Wehner, D. Köhn, D. De Nil, S. Schmidt, S.A. al Hagrey, H.-J. Götze, and W. Rabbel.
“A combined elastic waveform and gravity inversion for improved density model resolution
applied to the Marmousi-II model.” In: Abstracts of the 75th annual meeting of the Deutsche
Geophysikalische Gesellschaft. Hannover, Germany: DGG, 2015.
[29] E. Dokter, D. Köhn, D. Wilken, and W. Rabbel. “Anwendung einer elastischen 2D Wellenformtomographie auf oberflächennahe SH-Wellendaten.” In: Abstracts of the 74th annual
meeting of the Deutsche Geophysikalische Gesellschaft. Karlsruhe, Germany: DGG, 2014.
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[28] S.A. al Hagrey, D. Köhn, C.E. Wiegers, D. Schäfer, and W. Rabbel. “Geophysical monitoring of
CAES leakages in shallow groundwater from deep compressed air energy storage.” In: Abstracts
of the 74th annual meeting of the Deutsche Geophysikalische Gesellschaft. Karlsruhe, Germany:
DGG, 2014.
[27] D. Köhn, S.A. al Hagrey, D. De Nil, and W. Rabbel. “Monitoring von Gaskavernen mit elastischer Wellenforminversion, mikroseismischen, elektrischen und gravimetrischen Verfahren.”
In: Abstracts of the 74th annual meeting of the Deutsche Geophysikalische Gesellschaft.
Karlsruhe, Germany: DGG, 2014.
[26] D. Köhn, S.A. al Hagrey, and W. Rabbel. “Monitoring von elastischen und petrophysikalischen
Materialparametern eines porösen Gas-Speichers mit einer 2D-Wellenformtomographie.” In:
Abstracts of the 74th annual meeting of the Deutsche Geophysikalische Gesellschaft. Karlsruhe,
Germany: DGG, 2014.
[25] D. Köhn, O. Hellwig, D. De Nil, and W. Rabbel. “Seismische 3D Wellenformtomographie
in triklin anisotropen Medien.” In: Abstracts of the 74th annual meeting of the Deutsche
Geophysikalische Gesellschaft. Karlsruhe, Germany: DGG, 2014.
[24] D. Köhn and T. Meier. “Anwendung einer (visko)elastischen 2D Rayleighwellenforminversion
auf Ultraschalldaten.” In: Abstracts of the 74th annual meeting of the Deutsche Geophysikalische Gesellschaft. Karlsruhe, Germany: DGG, 2014.
[23] N. Böttcher, T. Nagel, U. Goerke, K. Khaledi, Y. Lins, D. König, T. Schanz, D. Köhn, S. Attia,
W. Rabbel, et al. “Modeling deformation processes of salt caverns for gas storage due to
fluctuating operation pressures.” In: AGU Fall Meeting Abstracts. AGU, 2013, p. 0839.
[22] D. Köhn, D. Wilken, D. De Nil, and W. Rabbel. “Offshore building foundation analysis by a
combined Scholte-wave dispersion analysis and 2D elastic waveform inversion.” In: Abstracts
of the 73rd annual meeting of the Deutsche Geophysikalische Gesellschaft. Leipzig, Germany:
DGG, 2013.
[21] M. Riedel, O. Hellwig, and D. Buske S. Köhn. “Laufzeitberechnung in VTI-Medien mittels
Wellenfrontkonstruktions- und FD Eikonal-Verfahren.” In: Abstracts of the 73rd annual meeting
of the Deutsche Geophysikalische Gesellschaft. Leipzig, Germany: DGG, 2013.
[20] D. Köhn, O. Hellwig, D. De Nil, and W. Rabbel. “3D Wellenformtomographie für den
allgemeinen anisotropen Fall - eine Machbarkeitsstudie.” In: Abstracts of the 72nd annual
meeting of the Deutsche Geophysikalische Gesellschaft. Hamburg, Germany: DGG, 2012.
[19] D. Köhn, A. Kurzmann, D. De Nil, and W. Rabbel. “2D Oberflächenwellenform Tomographie
mit dem Quasi-Newton L-BFGS Algorithmus.” In: Abstracts of the 72nd annual meeting of
the Deutsche Geophysikalische Gesellschaft. Hamburg, Germany: DGG, 2012.
[18] D. Köhn, D. Wilken, and W. Rabbel. “Anwendung einer elastischen 2D Tube-Wellenformtomographie zur Bestimmung des Schermoduls in der Umgebung des FINO3-Monopiles.”
In: Abstracts of the 72nd annual meeting of the Deutsche Geophysikalische Gesellschaft.
Hamburg, Germany: DGG, 2012.
[17] D. Köhn, D. Wilken, and W. Rabbel. “Application of an elastic 2D tube-waveform tomography
to estimate the shear modulus in the vicinity of the FINO3 offshore platform.” In: EGU General
Assembly Conference Abstracts. EGU, 2012, p. 10060.
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[16] A. Przebindowska, A. Kurzmann, D. Köhn, and T. Bohlen. “Full waveform tomography
strategies for marine seismic streamer data.” In: Abstracts of the 71st annual meeting of the
Deutsche Geophysikalische Gesellschaft. Cologne, Germany: DGG, 2011.
[15] L. Rehor, T. Forbriger, D. Köhn, and T. Bohlen. “Anwendung einer elastischen 2D-Wellenforminversion auf modellierte Oberflächenwellen.” In: Abstracts of the 71st annual meeting of
the Deutsche Geophysikalische Gesellschaft. Cologne, Germany: DGG, 2011.
[14] I. Wenske, J. Mispel, and D. Köhn. “2D elastische Full Waveform Inversion synthetischer
seismischer Reflexionsdaten zusammen mit VSP Daten.” In: Abstracts of the 71st annual
meeting of the Deutsche Geophysikalische Gesellschaft. Cologne, Germany: DGG, 2011.
[13] D. Köhn, D. De Nil, A. Przebindowska, A. Kurzmann, and T. Bohlen. “Application of 2-D
elastic full waveform tomography to 3-D synthetic wavefield for a 1-D medium.” In: Abstracts
of the 70th annual meeting of the Deutsche Geophysikalische Gesellschaft. Bochum, Germany:
DGG, 2010.
[12] D. Köhn, D. De Nil, A. Przebindowska, A. Kurzmann, and T. Bohlen. “On the influence of
model parametrization in elastic full waveform tomography.” In: Abstracts of the 70th annual
meeting of the Deutsche Geophysikalische Gesellschaft. Bochum, Germany: DGG, 2010.
[11] A. Kurzmann, D. Köhn, A. Przebindowska, and T. Bohlen. “Increasing robustness and
convergence of FWT by time windowing.” In: Abstracts of the 70th annual meeting of the
Deutsche Geophysikalische Gesellschaft. Bochum, Germany: DGG, 2010.
[10] A. Przebindowska, D. Köhn, A. Kurzmann, and T. Bohlen. “Preprocessing of reflection seismic
data for acoustic full waveform tomography.” In: Abstracts of the 70th annual meeting of the
Deutsche Geophysikalische Gesellschaft. Bochum, Germany: DGG, 2010.
[9] L. Rehor, T. Forbriger, D. Köhn, and T. Bohlen. “2D/3D-Ausbreitungskorrektur fr flachseismische Oberflächenwellen.” In: Abstracts of the 70th annual meeting of the Deutsche
Geophysikalische Gesellschaft. Bochum, Germany: DGG, 2010.
[8] T. Bohlen, D. De Nil, S. Jetschny, and D. Köhn. “Seismic prediction ahead of tunnel
construction sites using tunnel surface waves.” In: Abstracts of the 69th annual meeting of
the Deutsche Geophysikalische Gesellschaft. Kiel, Germany: DGG, 2009.
[7] D. Köhn, A. Kurzmann, A. Przebindowska, D. De Nil, N. Nguyen, and T. Bohlen. “Elastische
Full Waveform Tomographie synthetischer seismischer Mehrkomponenten Reflexionsdaten.”
In: Abstracts of the 69th annual meeting of the Deutsche Geophysikalische Gesellschaft. Kiel,
Germany: DGG, 2009.
[6] D. De Nil, D. Köhn, S. Jetschny, and T. Bohlen. “Beamforming with RSSR-waves for imaging
structures ahead of a tunnel face.” In: Abstracts of the 68th annual meeting of the Deutsche
Geophysikalische Gesellschaft. Freiberg, Germany: DGG, 2008.
[5] T. Bohlen and D. Köhn. “Parallel 3-D viscoelastic Finite Difference simulation of seismic
waves - a snapshot of recent optimizations.” In: Abstracts of the 67th annual meeting of the
Deutsche Geophysikalische Gesellschaft. Aachen, Germany: DGG, 2007.
[4] D. Köhn and T. Bohlen. “Elastische Full-Waveform-Inversion im Zeitbereich.” In: Abstracts of
the 67th annual meeting of the Deutsche Geophysikalische Gesellschaft. Aachen, Germany:
DGG, 2007.
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[3] A. Kurzmann, D. Köhn, and T. Bohlen. “Comparison of Acoustic Full Waveform Tomography
in the Time and Frequency Domain.” In: Abstracts of the Fall meeting of the American
Geophysical Union. San Francisco, USA: AGU, 2007.
[2] D. Köhn and T. Bohlen. “Lösung der elastischen Wellengleichung auf einem variablen FDGitter: Anwendungsbeispiele.” In: Abstracts of the 66th annual meeting of the Deutsche
Geophysikalische Gesellschaft. Bremen, Germany: DGG, 2006.
[1] D. Köhn and T. Bohlen. “Lösung der elastischen Wellengleichung auf einem variablen FDGitter.” In: Abstracts of the 65th annual meeting of the Deutsche Geophysikalische Gesellschaft.
Graz, Austria: DGG, 2005.
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