Geodetic monitoring of subrosion-induced subsidence processes in urban areas: Concept and status report

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Tobias Kersten
  • Martin Kobe
  • Gerald Gabriel
  • Ludger Timmen
  • Steffen Schön
  • Detlef Vogel

External Research Organisations

  • Leibniz Institute for Applied Geophysics (LIAG)
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Details

Original languageEnglish
Pages (from-to)21-29
Number of pages9
JournalJournal of Applied Geodesy
Volume11
Issue number1
Publication statusPublished - 13 Feb 2017

Abstract

The research project SIMULTAN applies an advanced combination of geophysical, geodetic, and modelling techniques to gain a better understanding of the evolution and characteristics of sinkholes. Sinkholes are inherently related to surface deformation and, thus, of increasing societal relevance, especially in dense populated urban areas. One work package of SIMULTAN investigates an integrated approach to monitor sinkhole-related mass translations and surface deformations induced by salt dissolution. Datasets from identical and adjacent points are used for a consistent combination of geodetic and geophysical techniques. Monitoring networks are established in Hamburg and Bad Frankenhausen (Thuringia). Levelling surveys indicate subsidence rates of about 4-5 mm per year in the main subsidence areas of Bad Frankenhausen with a local maximum of 10 mm per year around the leaning church tower. Here, the concept of combining geodetic and gravimetric techniques to monitor and characterise geological processes on and below the Earth's surface is exemplary discussed for the focus area Bad Frankenhausen. For the different methods (levelling, GNSS, relative/absolute gravimetry) stable network results at identical points are obtained by the first campaigns, i.e., the results are generally in agreement.

Keywords

    Absolute and Relative Gravimetry, Co-located Geo-Monitoring, Earth's Surface Deformation, GNSS, Levelling, Sinkhole

ASJC Scopus subject areas

Cite this

Geodetic monitoring of subrosion-induced subsidence processes in urban areas: Concept and status report. / Kersten, Tobias; Kobe, Martin; Gabriel, Gerald et al.
In: Journal of Applied Geodesy, Vol. 11, No. 1, 13.02.2017, p. 21-29.

Research output: Contribution to journalArticleResearchpeer review

Kersten, T, Kobe, M, Gabriel, G, Timmen, L, Schön, S & Vogel, D 2017, 'Geodetic monitoring of subrosion-induced subsidence processes in urban areas: Concept and status report', Journal of Applied Geodesy, vol. 11, no. 1, pp. 21-29. https://doi.org/10.1515/jag-2016-0029
Kersten, T., Kobe, M., Gabriel, G., Timmen, L., Schön, S., & Vogel, D. (2017). Geodetic monitoring of subrosion-induced subsidence processes in urban areas: Concept and status report. Journal of Applied Geodesy, 11(1), 21-29. https://doi.org/10.1515/jag-2016-0029
Kersten T, Kobe M, Gabriel G, Timmen L, Schön S, Vogel D. Geodetic monitoring of subrosion-induced subsidence processes in urban areas: Concept and status report. Journal of Applied Geodesy. 2017 Feb 13;11(1):21-29. doi: 10.1515/jag-2016-0029
Kersten, Tobias ; Kobe, Martin ; Gabriel, Gerald et al. / Geodetic monitoring of subrosion-induced subsidence processes in urban areas : Concept and status report. In: Journal of Applied Geodesy. 2017 ; Vol. 11, No. 1. pp. 21-29.
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