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Relict Depressions in Långfjället, Northern Dalarna, West-Central Sweden
Stockholm University, Faculty of Science, Department of Physical Geography and Quaternary Geology.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Some highland landscapes in Northern Dalarna have been preserved by the ice-sheet's thermal regime that prevailed during the last glacial event and possibly, even during older ones. Those sites have a complex evolutionary history, where glacial and non-glacial landforms are juxtaposed, superimposed or combined. The aim of this study is to describe some of these landscapes as situated in Långfjället, focusing on dierent groups of depressions, to review theories concerning the formation of analogous landforms and to propose an interpretation of their formation. Combinations of dierent remote sensing methods have been used to describe, map and document the depressions in the Långfjället area. A group of depressions on Jakobshöjden has been described, with special attention to the largest one. This conspicuous hollow has an atypical shape, steep walls and a well preserved rampart. The author rejects the idea of a glacial origin and formulates the hypothesis that the form might be a Pleistocene pingo-scar. Another group of at-bottomed depressions occurring on a ridge complex close to Hävlingskäppen is regarded as a moraine plateau system. The possibility that this moraine has the same origin as the Veiki moraines present in several localities in Northern Scandinavia is also discussed.

Place, publisher, year, edition, pages
2010. , 34 p.
National Category
Other Earth and Related Environmental Sciences
URN: urn:nbn:se:su:diva-88010OAI: diva2:608710
Life Earth Science
Available from: 2013-03-04 Created: 2013-02-28 Last updated: 2013-03-04Bibliographically approved

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Pannetier, Romain
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