EGU General Assembly 2008
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  Information - SM12 Realistic modelling and inversion of high-frequency seismic and electromagnetic wave phenomena in the shallow subsurface

Event Information
High-resolution seismic and georadar methods have great potential for resolving the highly complex structure of the shallow subsurface. Moreover, these methods are critically sensitive to some of the most interesting and pertinent petrophysical parameters for environmental and engineering applications. Whereas the velocities of seismic and georadar waves are sensitive to porosity and water content, the attenuation of seismic waves may be indicative of changes in permeability or rock quality and the attenuation of georadar waves is often linked to clay content. During the last two decades, acquisition technologies as well as modelling and inversion algorithms for high-resolution seismic and georadar data have seen immense progress. Although the innovations in data acquisition have been readily embraced by the community, the adoption of corresponding innovations in modelling and inversion methods has moved more slowly. Clearly, this is problematic as it means that the immense improvements in the potential resolution of seismic and georadar data are not yet fully realized. Indeed, it can be argued that the use of modern modelling and inversion technologies holds the promise of improving the resolution of seismic and georadar data by roughly one order-of-magnitude, thus pushing it into a realm that is directly compatible with borehole logging data. Moreover, modern inexpensive computing platforms make massive modelling and inversion feasible to a broad community. The purpose of this session is to explore the possibilities and limitations of modern modelling and inversion algorithms for high-resolution seismic and georadar data under real-world conditions, and to promote their use by the broader community of practitioners in these domains.

Preliminary List of Solicited Speakers
Dr. Hansruedi Maurer, ETH Zurich (accepted)
Dr. Jens Tronicke, University of Potsdam (accepted)


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