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https://doi.org/10.5194/egusphere-2025-2370
https://doi.org/10.5194/egusphere-2025-2370
06 Jun 2025
 | 06 Jun 2025

Seismic acquisition scheme to image overdeepened alpine valleys by high-resolution seismic method and full-waveform inversion

Thomas Burschil, Daniel Köhn, Matthias Körbe, Gerald Gabriel, Johannes Großmann, Gustav Firla, and Markus Fiebig

Abstract. The successful integration of high-resolution seismic reflection (HRSR) and full waveform inversion (FWI) enhances detailed near-surface imaging in heterogeneous glacial and post-glacial environments. To develop a tailored workflow of combining HRSR and FWI, we acquired dense P-wave and S-wave datasets, utilizing both vibratory and explosive seismic sources over an overdeepened basin in the northern Alpine foreland. The data acquisition was designed to meet the requirements of HRSR as well as FWI. Results of separated data analysis of HRSR and FWI, using standard processing workflows, show the potential of the acquired datasets. HRSR revealed detailed subsurface structures, including basin base reflectors, intra-basin discontinuities, and subtle stratigraphic variations. S-wave data provides superior resolution in imaging the basin fill down to 200 m below surface. FWI workflow converged successfully, yielding a consistent and physically reasonable model that correlates well with the HRSR results. These datasets are the basis for further methodological development of combining HRSR and FWI.

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Thomas Burschil, Daniel Köhn, Matthias Körbe, Gerald Gabriel, Johannes Großmann, Gustav Firla, and Markus Fiebig

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2025-2370', Samuel Zappalá, 14 Aug 2025
    • AC1: 'Reply on RC1', Thomas Burschil, 26 Sep 2025
  • RC2: 'Comment on egusphere-2025-2370', Anonymous Referee #2, 18 Aug 2025
    • AC2: 'Reply on RC2', Thomas Burschil, 26 Sep 2025
  • EC1: 'Comment on egusphere-2025-2370', Christopher Juhlin, 23 Aug 2025
    • AC3: 'Reply on EC1', Thomas Burschil, 26 Sep 2025
Thomas Burschil, Daniel Köhn, Matthias Körbe, Gerald Gabriel, Johannes Großmann, Gustav Firla, and Markus Fiebig
Thomas Burschil, Daniel Köhn, Matthias Körbe, Gerald Gabriel, Johannes Großmann, Gustav Firla, and Markus Fiebig

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Short summary
The study investigates a glacially overdeepened basin near Schäftlarn, Germany, to develop a combined workflow for high-resolution seismic reflection (HRSR) and full-waveform inversion (FWI). Seismic data from various sources and receiver types reveal detailed basin structures, including previously unknown internal reflectors. HRSR with S-waves show more details than P-waves. First FWI delivers consistent velocity models.
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