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The importance of thermal boundary transitions on glacial geomorphology; mapping of ribbed/hummocky moraine and streamlined terrain from LiDAR, over Småland, South Sweden

  • Per Möller
  • Tom Dowling
Publishing year: 2015
Language: English
Pages: 252-283
Publication/Series: GFF
Volume: 137
Issue: 4
Document type: Journal article
Publisher: Taylor & Francis

Abstract english

In this paper we synthesise previous sedimentological studies and new, high resolution, digital elevation models from southern Småland to investigate the evolution of a deglacial landscape. Starting approximately at the deglacial highest shoreline, there is a 20-40 km wide zone of ribbed and hummocky moraine that can be connected to the predominantly subaqueous Göteborg moraine. North of this there is a dramatic shift into streamlined terrain. Based on sedimentological investigations we conclude that these zones represent a sub/supraglacial stagnant-ice landsystem, followed by a subglacial active ice landsystem, which during their formations had very different thermal and process regimes along the ice-bed interface (freezing on/frozen versus wet-based basal regimes). New observations derived from high resolution, LiDAR digital elevation models reveals patterns of erosional/depositional and morphostratigraphic relationships that have not previously been observed, opening up gateways for future research.


  • Geology


  • Sub-till sediments on the Småland peneplain - their age and implication for glacial stratigraphy and glacial dynamics in South Sweden
  • Drumlin formation in south Sweden
  • ISSN: 2000-0863
Per Möller
E-mail: per [dot] moller [at] geol [dot] lu [dot] se


Quaternary Sciences

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