Changement climatique et atrophie des masses glaciaires : quelles mutations pour les paysages islandais ?

The Global Warming which occurs since the end of the Little Ice Age in Iceland leads to the retreat of the glacier fronts. This retreat has induced new dynamics in the glacier foreland, especially related to glacial meltwater and post-glacial release. Lichenometrics measures on moraines ridges and p...

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Bibliographic Details
Published inEchoGéo Vol. 4; no. 3; pp. 1 - 12
Main Authors Chenet, Marie, Roussel, Erwan
Format Journal Article
LanguageEnglish
French
Published Pôle de Recherche pour l'Organisation et la Diffusion de l'Information Géographique (PRODIG) 01.01.2008
Pôle de Recherche pour l'Organisation et la diffusion de l'Information Géographique
Subjects
climatic change
Earth Sciences
Geomorphology
Iceland
lichenometry
proglacial hydrosystems
Sciences of the Universe
slope dynamics
changement climatique
slope dynamics
Islande
proglacial hydrosystems
climatic change
dynamiques de versant
hydrosystèmes proglaciaires
lichénométrie
Iceland
lichenometry
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Summary:The Global Warming which occurs since the end of the Little Ice Age in Iceland leads to the retreat of the glacier fronts. This retreat has induced new dynamics in the glacier foreland, especially related to glacial meltwater and post-glacial release. Lichenometrics measures on moraines ridges and paleosandurs provide us the opportunity to reconstruct the evolution of the proglacial areas of the Morsárjökull and the Skaftafelljökull (Southeast Iceland) since the end of the Little Ice Age. Important processes of rockslides and rockfalls occur on slopes, whereas proglacial rivers undergo phenomena of incision and abandon of minor channels.
ISSN:1963-1197
DOI:10.4000/echogeo.1883