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GIS-based analysis of geohazards and potential georesources using 3-D models of geological structures

Journal article
Authors G. Kus
Roland Barthel
Published in GIS-gestutzte analyse von georisiken und -potentialen unter verwendung geologischer 3D-untergrundmodelle
Volume 46
Issue 3
Pages 167-173
ISSN 00442259 (ISSN)
Publication year 2000
Published at Department of Earth Sciences
Pages 167-173
Language en
Keywords geological mapping, GIS, hazard assessment, resource assessment
Subject categories Solid earth geology and petrology

Abstract

In two case studies it is demonstrated how Geographic Information Systems (GIS) can be applied to locate and assess geological risks as well as geological resources. The reference system for the 3-dimensional analysis of the geological data is introduced. It consists of a Digital Terrain Model (DTM) and a (simplified) Digital Structure Model (DSM) of the subsurface. The first example shows how the reference system has been used to determine areas of high landslide risk. In the second example the suitability for different geothermal applications down to a depth of 200 m was investigated. Both study areas are in the Wurzburg region of northern Bavaria. The 3-dimensional approach allows for a wide range of applications in the geological and environmental sciences.

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