Exploring The Gross Schonebeck (Germany) Geothermal Site Using A Statistical Joint Interpretation Of Magnetotelluric And Seismic Tomography Models

Jump to: navigation, search


OpenEI Reference LibraryAdd to library

Journal Article: Exploring The Gross Schonebeck (Germany) Geothermal Site Using A Statistical Joint Interpretation Of Magnetotelluric And Seismic Tomography Models

Abstract
Exploration for geothermal resources is often challenging because there are no geophysical techniques that provide direct images of the parameters of interest, such as porosity, permeability and fluid content. Magnetotelluric (MT) and seismic tomography methods yield information about subsurface distribution of resistivity and seismic velocity on similar scales and resolution. The lack of a fundamental law linking the two parameters, however, has limited joint interpretation to a qualitative analysis. By using a statistical approach in which the resistivity and velocity models are investigated in the joint parameter space, we are able to identify regions of high correlation and map these classes (or structures) back onto the spatial domain. This technique, applied to a seismic tomography-MT profile in the area of the Gross Schonebeck geothermal site, allows us to identify a number of classes in accordance with the local geology. In particular, a high-velocity, low-resistivity class is interpreted as related to areas with thinner layers of evaporites; regions where these sedimentary layers are highly fractured may be of higher permeability.

Authors 
Gerard Munoz, Klaus Bauer, Inga Moeck, Albrecht Schulze and Oliver Ritter








Published Journal 
Geothermics, Date Not Provided





DOI 
10.1016/j.geothermics.2009.12.004


 

Citation

Gerard Munoz,Klaus Bauer,Inga Moeck,Albrecht Schulze,Oliver Ritter. . Exploring The Gross Schonebeck (Germany) Geothermal Site Using A Statistical Joint Interpretation Of Magnetotelluric And Seismic Tomography Models. Geothermics. (!) .