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Temporal variations of material properties within the Earth are of interest for understanding the mechanical processes occuring within the Earth in the context of earthquakes, but also for monitoring of reservoir of hydrocarbon and geothermal resources, as well as gas storage sites.

Earlier scientific activities of members of our institute are published in the following papers:

Baisch, S., Bokelmann, G.H.R., 1999, Spectral analysis with incomplete time series: An example from seismology, Computers & Geosciences, 25,7, 739-750

Baisch, S., Bokelmann, G. H., 2001, Seismic waveform attributes before and after the Loma Prieta earthquake: Scattering change near the earthquake and temporal recovery, J. Geophys. Res., 106, 16323-16338

Bokelmann, G.H.R., H.P. Harjes, 2000, Evidence for temporal variation of seismic
velocity within the upper continental crust, J. Geophys. Res., 105, 23879-23894

Bokelmann, G.H.R., 2001, A method for resolving small temporal variations of
effective elastic properties, SEG-Special Volume on Seismic Anisotropy, p.86-93

Riahi, N., Bokelmann, G., Sala, P., Saenger, E.H., 2013, Time-lapse analysis of ambient surface wave anisotropy: a three-component array study above an underground gas storage, Journal of Geophysical Research, Volume 118, 1–13, doi:10.1002/jgrb.50375, 2013

Tary, J. B., van der Baan, M., Eaton, D. W., (2014), Interpretation of resonance frequencies recorded during hydraulic fracturing treatments, Journal of Geophysical Research 119(2), 1295-1315