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Statistical disposition modelling of mass movements


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Heckmann, Tobias ; Becht, Michael:
Statistical disposition modelling of mass movements.
In: Böhner, Jürgen ; McCloy, Keith R. ; Strobl, Josef (Hrsg.): SAGA - analysis and modelling applications. - Göttingen : Goltze, 2006. - S. 61-73. - (Göttinger geographische Abhandlungen ; 115)
ISBN 978-3-88452-115-1


Link zum Volltext (externe URL): http://downloads.sourceforge.net/saga-gis/gga115_0...


Disposition models are used to delineate potential starting zones for various geomorphic processes that may also act as natural hazards (snow avalanches, debris flows, earth flows, landslides). Various approaches of statistical disposition models have in common that they require mapped starting zones and a set of categorised geofactors considered relevant for process initiation. We have implemented the certainty factor approach, representing one of the favourability functions, that has previously been used for spatial models of landslide susceptibility and mineral resources. The SAGA modules presented here are used to develop a spatial disposition model, to apply existing models to different areas and to validate model results using subsets of input data.
After a description of the calculation of certainty factors, a case study is presented with respect to data requirements, model results and validation, followed by a detailed discussion of model assumptions, problematic issues and future work.

Weitere Angaben

Publikationsform:Aufsatz in einem Buch
Institutionen der Universität:Mathematisch-Geographische Fakultät > Geographie > Lehrstuhl für Physische Geographie
Titel an der KU entstanden:Ja
Eingestellt am:19. Mär 2010 12:51
Letzte Änderung:31. Aug 2012 12:25
URL zu dieser Anzeige:http://edoc.ku-eichstaett.de/3791/