Dr. Thomas Forbriger

Dr. Thomas Forbriger

  • Heubach 206
    77709 Wolfach

Dr. Thomas Forbriger is responsible for the operation of the Black Forest Observatory (BFO). His lecture notes and student theses can be found on his personal external homepage.

Research

  • Temporal variations of gravity

  • Analysis of tidal signals

  • Physical properties of geodynamic instruments and observations

  • Longperiod seismology

  • Analysis of seismic surface waves

  • Waveform inversion

Courses

  • Geophysical field exercises (Bachelor Geophysics)
  • Physics of Seismic Instruments (International Master's program Geophysics)
  • Black Forest Observatory Course / BFO Winterschool (International Master's program Geophysics)
  • Module: Scientific Seminars (International Master's program Geophysics)
  • In-Situ: The Black Forest Observatory in Schiltach

Publications


2024
Reports/Preprints
Calibration of the strain amplitude recorded with DAS using a strainmeter array
Forbriger, T.; Karamzadeh, N.; Azzola, J.; Gaucher, E.; Widmer-Schnidrig, R.; et al.
2024. arxiv. doi:10.48550/arXiv.2408.01151 
Journal Articles
A rockslide-generated tsunami in a Greenland fjord rang Earth for 9 days
Svennevig, K.; Hicks, S. P.; Forbriger, T.; Lecocq, T.; Widmer-Schnidrig, R.; et al.
2024. Science, 385 (6714), 1196–1205. doi:10.1126/science.adm9247 
2023
Science Communication on the Internet
Milestones in precise Earth observation and their impact
Forbriger, T.; Sudhaus, H.; Zürn, W.
2023, January 9 Full textFull text of the publication as PDF document 
Conference Papers
Local earthquake recordings using Distributed Acoustic Sensing (DAS) at BFO
Karamzadeh Toularoud, N.; Gao, Y.-J.; Azzola, J.; Forbriger, T.; Widmer-Schnidrig, R.; et al.
2023. European Geosciences Union General Assembly 2023, Copernicus. doi:10.5194/egusphere-egu23-16307 Full textFull text of the publication as PDF document 
2021
Journal Articles
Modelling tilt noise caused by atmospheric processes at long periods for several horizontal seismometers at BFO—a reprise
Zürn, W.; Forbriger, T.; Widmer-Schnidrig, R.; Duffner, P.; Ringler, A. T.
2021. Geophysical journal international, 228 (2), 927–943. doi:10.1093/gji/ggab336 Full textFull text of the publication as PDF document 
Challenges and Perspectives for Lowering the Vertical-Component Long-Period Detection Level
Forbriger, T.; Zürn, W.; Widmer-Schnidrig, R.
2021. Seismological research letters, 92 (4), 2498–2512. doi:10.1785/0220200399 
2019
Journal Articles
Die Geophysik an den Universitäten in Deutschland, wächst sie oder schrumpft sie? Über das Erscheinungsbild der Geophysik im Portal der "Arbeitsstelle Kleine Fächer"
Forbriger, T.; Gottschämmer, E.; Bohlen, T.
2019. Mitteilungen Deutsche Geophysikalische Gesellschaft, (2), 51–55 
2018
Journal Articles
Locating wind farms by seismic interferometry and migration
Friedrich, T.; Zieger, T.; Forbriger, T.; Ritter, J. R. R.
2018. Journal of seismology, 22 (6), 1469–1483. doi:10.1007/s10950-018-9779-0 
Book Chapters
Das Geowissenschaftliche Gemeinschaftsobservatorium Schiltach (BFO)
Duffner, P.; Forbriger, T.; Heck, B.; Westerhaus, M.; Widmer-Schnidrig, R.; et al.
2018. Festschrift zur 150-Jahr-Feier des Geodätischen Instituts (1868 - 2018). Hrsg.: K. Seitz, 255–274, KIT Scientific Publishing. doi:10.5445/IR/1000089813 Full textFull text of the publication as PDF document 
Observing the Earth’s magnetic field in an underground observatory: a case study from BFO
Widmer-Schnidrig, R.; Duffner, P.; Forbriger, T.; Zürn, W.
2018. (Schw)Ehre, wem (Schw)Ehre gebührt : Festschrift zur Verabschiedung von Prof. Dr.-Ing. Dr. h.c. Bernhard Heck. Hrsg.: A. Heck, 281–293, KIT Scientific Publishing. doi:10.5445/KSP/1000080251 Full textFull text of the publication as PDF document 
Frequency response of the superconducting gravimeter SG056
Forbriger, T.; Heck, A.
2018. (Schw)Ehre, wem (Schw)Ehre gebührt : Festschrift zur Verabschiedung von Prof. Dr.-Ing. Dr. h.c. Bernhard Heck. Hrsg.: A. Heck, 57–67, KIT Scientific Publishing. doi:10.5445/IR/1000080212 Full textFull text of the publication as PDF document 
2017
Conference Papers
Oberflächenwellen - Nutzen und Tücken für die seismische Erkundung
Forbriger, T.
2017. 77. Jahrestagung der Deutschen Geophysikalischen Gesellschaft - DGG-Kolloquium: Neue Entwicklungen in der Angewandten Seismik - Potsdam, 27.–30. März 2017, 3–19, Dt. Geophysikalische Ges Full textFull text of the publication as PDF document 
2014
Journal Articles
The role of attenuation in 2D full-waveform inversion of shallow-seismic body and Rayleigh waves
Groos, L.; Schaefer, M.; Forbriger, T.; Bohlen, T.
2014. Geophysics, 79 (6), R247-R261. doi:10.1190/GEO2013-0462.1 
Line-source simulation for shallow-seismic data. Part 2: full-waveform inversion - a synthetic 2-D case study
Schäfer, M.; Groos, L.; Forbriger, T.; Bohlen, T.
2014. Geophysical Journal International, 198 (3), 1405–1418. doi:10.1093/gji/ggu171 
Line-source simulation for shallow-seismic data. Part 1: theoretical background
Forbriger, T.; Groos, L.; Schäfer, M.
2014. Geophysical Journal International, 198 (3), 1387–1404. doi:10.1093/gji/ggu199 
Books
50 Years Geophysical Institute Karlsruhe, 1964 to 2014 - Expectations and Surprises
Bohlen, T.; Bonjer, K.-P.; Forbriger, T.; Fuchs, K.; Gottschämmer, E.; et al.
2014. (C. Prodehl, Ed.), Karlsruher Institut für Technologie (KIT) Full textFull text of the publication as PDF document 
Book Chapters
The Geophysical Institute (GPI) today
Gottschämmer, E.; Bohlen, T.; Forbriger, T.; Knopf, P.; Ritter, J.; et al.
2014. 50 Years Geophysical Institute Karlsruhe, 1964 to 2014 - Expectations and Surprises. Ed.: C. Prodehl, 321–332, Karlsruher Institut für Technologie (KIT) Full textFull text of the publication as PDF document 
Toolbox for Applied Seismic Tomography (TOAST)
Forbriger, T.; Auras, M.; Bilgili, F.; Bohlen, T.; Butzer, S.; et al.
2014. Tomography of the Earth’s Crust : From Geophysical Sounding to Real-Time Monitoring. Ed.: M. Weber, 135–155, Springer International Publishing. doi:10.1007/978-3-319-04205-3_8 
2012
Conference Papers
On the effects of geometrical spreading corrections for a 2d full waveform inversion of recorded shallow seismic surface waves
Schäfer, M.; Groos, L.; Forbriger, T.; Bohlen, T.
2012. 74th EAGE conference and exhibition incorporating SPE EUROPEC 2012, Copenhagen, Denmark, 4 - 7 June 2012; Vol. 1, 517–521, Curran. doi:10.3997/2214-4609.20148327 
On the significance of viscoelasticity in a 2D full waveform inversion of shallow seismic surface waves
Groos, L.; Schäfer, M.; Forbriger, T.; Bohlen, T.
2012. 74th EAGE conference and exhibition incorporating SPE EUROPEC 2012, Copenhagen, Denmark, 4 - 7 June 2012; Vol. 2, 950–954, Curran. doi:10.3997/2214-4609.20148165 Full textFull text of the publication as PDF document 
Book Chapters
Recommendations for seismometer deployment and shielding
Forbriger, T.
2012. New Manual of Seismological Observatory Practice 2 (NMSOP-2), IASPEI, GFZ German Research Centre for Geosciences, Potsdam. Ed.: P. Bormann, 1–10, Deutsches GeoForschungsZentrum GFZ. doi:10.2312/GFZ.NMSOP-2_IS_5.4 
2010
Journal Articles
Verbesserung einer Kreuzkorrelationsanalyse mit ungünstiger Quellverteilung durch Slant Stack und Migrationsanalyse
Horstmann, T.; Forbriger, T.
2010. Mitteilungen / Deutsche Geophysikalische Gesellschaft, (2), 19–28 Full textFull text of the publication as PDF document 
Magnetic field background variations can limit the resolution of seismic broad-band sensors
Forbriger, T.; Widmer-Schnidrig, R.; Wielandt, E.; Hayman, M.; Ackerley, N.
2010. Geophysical Journal International, 183 (1), 303–312. doi:10.1111/j.1365-246X.2010.04719.x 
2009
Conference Papers
Building responses extracted from seismic background signals
Rehor, L.; Forbriger, T.
2009. Noise and diffuse wavefields : extended abstracts of the Neustadt workshop ; Neustadt an der Weinstraße, Germany, 5-8 July 2009. Ed.: Ch. Sens-Schönfelder, 45–48, DGG 
Journal Articles
About the Nonunique Sensitivity of Pendulum Seismometers to Translational, Angular, and Centripetal Acceleration
Forbriger, T.
2009. Bulletin of the Seismological Society of America, 99 (2B), 1343–1351 
The shear wave velocity underneath Bucharest city, Romania, from the analysis of Love waves
Sebe, O.; Forbriger, T.; Ritter, J. R. R.
2009. Geophysical Journal international, 176 (3), 965–979. doi:10.1111/j.1365-246X.2008.04027.x 
2008
Conference Papers
Magnetic field background variations can limit the sensitivity of seismic broadband sensors
Forbriger, T.; Widmer-Schnidrig, R.; Wielandt, E.; Hayman, M.; Ackerley, N.
2008. Tagungsband / 68. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, 3. bis 6. März 2008, Freiberg, Germany, PSO 6, Freiberg 
2007
Conference Papers
Results from the URban Seismology (URS) project in Bucharest, Romania
Balan, S. F.; Bartlakowski, J.; Diehl, T.; Forbriger, T.; Groos, J.; et al.
2007. Proceedings / International Symposium on Strong Vrancea Earthquakes and Risk Mitigation, October 4 - 6, 2007, Bucharest, Romania. Ed.: G. Schmitt, 277–283, Matrix ROM 
Low-frequency limit for H/V studies due to tilt
Forbriger, T.
2007. Tagungsband / 67. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, 26. bis 29. März 2007, Aachen, Germany, SO_88, Aachen 
Journal Articles
Scholte-wave tomography for shallow-water marine sediments
Forbriger, T.; Kugler, S.; Bohlen, T.; Bussat, S.; Klein, G.
2007. Geophysical Journal International, 168 (2), 551–570. doi:10.1111/j.1365-246X.2006.03233.x 
Reducing magnetic field induced noise in broad-band seismic recordings
Forbriger, T.
2007. Geophysical journal international, 169 (1), 240–258 Full textFull text of the publication as PDF document 
2006
Book Chapters
Normative Klassifizierung des Untergrundes durch Messung der Scherwellengeschwindigkeit an der Erdbebenstation Lerchenberg (Baden-Württemberg)
Forbriger, T.; Polom, U.; Stange, S.; Bram, K.; Brüstle, W.
2006. Seismische Untergrundeffekte geologischer Strukturen und Schwarmbeben, 5–37, Schweizerbart 
2005
Journal Articles
Broadband urban seismology ion the Bucharest metropolitan area
Ritter, J. R. R.; Balan, S. F.; Bonjer, K. P.; Diehl, T.; Forbriger, T.; et al.
2005. Seismological Research Letters, 76 (5), 574–580. doi:10.1785/gssrl.76.5.574 
Acquisition and inversion of dispersive seismic waves in shallow marine environments
Forbriger, T.; Klein, G.; Bohlen, T.; Theilen, F.; Kugler, S.
2005. Marine Geophysical Researches, 26 (2-4), 287–315 
A proposal for a consistent parametrization of earth models
Forbriger, T.; Friederich, W.
2005. Geophysical Journal International, 162 (2), 425–430 
2004
Journal Articles
Dynamics of the Hammer Blow
Forbriger, T.
2004. Mitteilungen / Deutsche Geophysikalische Gesellschaft Symposium in Memoriam of Prof. Gerhard Müller, 2003, (1), 93–97 Full textFull text of the publication as PDF document 
1999
Conference Papers
Wellenfeldanalyse für die Flachseismik
Forbriger, T.
1999. 5. DGG-Seminar Umweltgeophysik. Neustadt/Weinstraße, 22. - 24. April 1998. Vortragszusammenfassungen. Hrsg.: R. Kirsch., Hannover Full textFull text of the publication as PDF document 
1996
Conference Papers
Zum Problem der Modenidentifikation in der Flachseismik
Forbriger, T.
1996. Kolloquium Seismik im Flachbereich. Bucha/Sachsen, Germany, 22. Okt. 1996 Full textFull text of the publication as PDF document