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Sensitivity and path dependence of mountain permafrost systems

Auteur(s) et Affiliation(s)

Dep. of Geography, Univ., Bonn, Allemagne
Dep. of Geography, Univ., Bonn, Allemagne
DIKAU, R.
Dep. of Geography, Univ., Bonn, Allemagne


Description :
This article is an attempt to transfer a classical geomorphological concept – the sensitivity concept by Brunsden and Thornes – onto mountain permafrost systems. Focus is put on the impulses applied on the system and its subsequent response. The system state, the ratio between sensitivity and resistivity, as well as all system components and the external impulses are understood to be variable in space and time. In order to address sensitivity and path dependence in mountain permafrost systems, not only the present system configuration but also their historical development and possible future attractors have to be analysed. The Zugspitze in the Northern Calcareous Alps at the German/Austrian border is chosen as a test site. Further aspects include the consequences of the Eibsee Bergsturz event in 3700 bp in terms of path dependence and geomorphic response time.


Type de document :
Article de périodique

Source :
Geografiska annaler. Series A. Physical geography, issn : 0435-3676, 2011, vol. 93, n°. 2, p. 113-135, nombre de pages : 23, Références bibliographiques : 2,5 p.

Date :
2011

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

Langue :
Anglais
Droits :
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