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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Landslide Susceptibility Maps for Spatial Planning in Lower Austria
verfasst von : Rainer Bell, Thomas Glade, Klaus Granica, Gerhard Heiss, Philip Leopold, Helene Petschko, Gilbert Pomaroli, Herwig Proske, Joachim Schweigl
Erschienen in: Landslide Science and Practice
Verlag: Springer Berlin Heidelberg
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Abstract
Landslides threaten most parts of the provincial state of Lower Austria and cause damage to agricultural land, forests, infrastructure, settlements and people. Thus, the project “MoNOE” (Method development for landslide susceptibility modelling in Lower Austria) was initiated by the provincial government to tackle these problems and to reduce further damage by landslides. The main aim is to prepare landslide susceptibility maps for slides and rock falls and to implement these maps into the spatial planning strategies of the provincial state.
Landslide susceptibility maps are either prepared by statistical (for slides) or empirical or process-based (for rock falls) approaches. Final maps are combined to a single landslide susceptibility map and optimised for the end-users (spatial planners and local authorities). It shows that a difference exists between the best scientific maps and the best maps for spatial planning purposes. This involves questions about the best number of susceptibility classes, its thresholds and ideal colours.