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Quantification and Modelling of Debris Flows in the Proglacial Area of the Gepatschferner/Austria using Ground-based LIDAR

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Haas, Florian ; Heckmann, Tobias ; Hilger, Ludwig ; Becht, Michael:
Quantification and Modelling of Debris Flows in the Proglacial Area of the Gepatschferner/Austria using Ground-based LIDAR.
In: Collins, Adrian L. ; Golosov, Valentin ; Horowitz, Arthur J. ; Lu, Xixi ; Stone, Mike ; Walling, Des E. ; Zhang, Xinbao (Hrsg.): Erosion and Sediment Yields in the Changing Environment : proceedings of an IAHS International Commission on Continental Erosion Symposium, held at the Institute of Mountain Hazards and Environment, CAS-Chengdu, China, 11-15 October 2012. - Wallingford, 2012. - S. 293-302. - (IAHS publication ; 356)
ISBN 978-1-907161-33-9

Kurzfassung/Abstract

In August 2011, a large rainstorm event triggered several slope type debris flows on the steep LIA moraine deposits of the Gepatschferner. Since there are high resolution Ground-based LIDAR data available before and after the event, erosion and accumulation of the single debris flows could be quantified very accurately. Beside the quantification of the sediment yield of this event, the DEM of difference calculated from the two LiDAR epochs allows for the identification and detailed mapping of process areas of the debris flows. Using the ground-based LIDAR DEM and the mapped starting zones of the event, the process areas of the debris flows were modelled using a 2D friction model. The model was calibrated and validated by the detailed maps of the process areas. The presented paper shows the first results of both the quantification and the modelling of the slope type debris flows caused by the 2011 rainstorm event.

Weitere Angaben

Publikationsform:Aufsatz in einem Buch
Schlagwörter:Debris flows; Proglacial area; Ground-based LIDAR; Modelling; PROSA
Institutionen der Universität:Mathematisch-Geographische Fakultät > Geographie > Lehrstuhl für Physische Geographie
Weitere URLs:
Begutachteter Aufsatz:Nein
Titel an der KU entstanden:Ja
Eingestellt am:06. Jul 2012 07:31
Letzte Änderung:04. Mai 2016 11:44
URL zu dieser Anzeige:http://edoc.ku-eichstaett.de/9362/