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Quantification of geomorphodynamics in glaciated and recently deglaciated terrain based on airborne laser scanning data

Concepts and implications of environmental change and human impact : studies from Austrian geomorphological research

Auteur(s) et Affiliation(s)

SAILER, R.
Inst. of Geography, Univ., Innsbruck, Autriche
alpS - Centre for Climate Change Adaptation Technologies, Innsbruck, Autriche
BOLLMANN, E.
Inst. of Geography, Univ., Innsbruck, Autriche
HOINKES, S.
Inst. of Geography, Univ., Innsbruck, Autriche
alpS - Centre for Climate Change Adaptation Technologies, Innsbruck, Autriche
RIEG, L.
Inst. of Geography, Univ., Innsbruck, Autriche
SPROß, M.
Inst. of Geography, Univ., Innsbruck, Autriche
STÖTTER, J.
Inst. of Geography, Univ., Innsbruck, Autriche
alpS - Centre for Climate Change Adaptation Technologies, Innsbruck, Autriche
KEILER, M.
Inst. of Geography, Univ., Bern, Suisse
Dep. of Geography and Regional Science, Univ., Graz, Autriche
Inst. of Remote Sensing and Photogrammetry, Univ. of Technology, Graz, Autriche
OTTO, J.-C.
Dep. of Geography and Geology, Univ., Salzburg, Autriche


Description :
This article highlights the ability of airborne laser scanning (ALS) to detect, map and quantify geomorphological processes in high alpine environments. Since 2001, ALS measurements have been carried out regularly at Hintereisferner (Ötztal Alps, Tyrol, Austria), resulting in a unique data record of 18 ALS flight campaigns. The quantifications of volumetric earth surface changes caused by dead-ice melting, fluvial erosion/deposition, rock-fall activity, gravitational displacements and permafrost degradation in glaciated, recently deglaciated and periglacial terrain is based on the analysis of ALS point clouds (vector data) to preserve the high quality of the data. The AA. present inter-annual, annual and perennial trends of geomorpho-dynamically induced topographic changes. Results are discussed considering high or low magnitudes time lapse rates and disturbing factors.


Type de document :
Article de monographie

Source :
Geografiska annaler. Series A. Physical geography, issn : 0435-3676, 2012, vol. 94, n°. 1, p. 17-32, nombre de pages : 16, Références bibliographiques : 31 ref.

Date :
2012

Editeur :
Pays édition : Suede, Stockholm, Svenska sällskapet för antropologi och geografi

Langue :
Anglais
Droits :
Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI)