On the origin of the drumlins of the South German Alpine Foreland (II): The sediments underneath

Habbe, Karl Albert

doi:10.1016/0169-555x(92)90049-t

Cited by 5 publications

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“…Evidence of permafrost in ice‐free areas north of the Alps is abundant (Frenzel et al, 1992; Lindgren et al, 2016; Vandenberghe et al, 2014). Cold‐based ice at the fringes of the LGM Rhine glacier ice margin has been suggested (Blatter & Haeberli, 1984; Cohen, 2017; Cohen et al, 2018; Haeberli et al, 1984; Haeberli & Penz, 1985), which could as well explain the missing drumlins (Ellwanger, 1992; Habbe, 1989, 1992; Menzies & Habbe, 1992; Menzies & Maltman, 1992). The absence of drumlins may also be a question of lack of preservation rather than lack of formation, especially in the low‐lying areas.…”

Section: Discussionmentioning

confidence: 99%

“…Subglacial bedforms develop at the base of wet‐based glaciers when flowing ice streamlines underlying sediments or bedrock (Boulton, 1987; Eyles et al, 2016; Menzies, 1979; Patterson & Hooke, 1995; Stokes, Spagnolo, et al, 2013) and leaves behind landforms oriented either parallel or transverse to flow (Clark, 1999; Clark, Ely, Spagnolo, et al, 2018; Stokes et al, 2011). Subglacially streamlined landforms are widespread features in regions formerly covered by the large Northern Hemisphere ice sheets (e.g., the British and Irish [Clark, Ely, Greenwood, et al, 2018; Greenwood & Clark, 2008; Hughes et al, 2010], Scandinavian [Boyes et al, 2021; Hättestrand et al, 1999; Putkinen et al, 2017] or Laurentide ice sheets [Boulton & Clark, 1990a, 1990b; Clark, 1993; Clark et al, 2000; McMartin et al, 2021; Prest et al, 1968; Stokes, Spagnolo, et al, 2013]), and are also known from the forelands of the European Alps (Habbe, 1989, 1992). Drumlins, mega‐scale glacial lineations (MSGLs), flutes and subglacial ribs (also known as Rogen moraines or ribbed moraines) are typical landforms of the ice‐bed interface (Clark, 2010).…”

Section: Introductionmentioning

confidence: 99%

“…streamlined landforms are widespread features in regions formerly covered by the large Northern Hemisphere ice sheets (e.g., the British and Irish [Clark, Ely, Greenwood, et al, 2018;Greenwood & Clark, 2008;Hughes et al, 2010], Scandinavian [Boyes et al, 2021;Hättestrand et al, 1999;Putkinen et al, 2017] or Laurentide ice sheets [Boulton & Clark, 1990a, 1990bClark, 1993;Clark et al, 2000;McMartin et al, 2021;Prest et al, 1968;), and are also known from the forelands of the European Alps (Habbe, 1989(Habbe, , 1992. Drumlins, mega-scale glacial lineations (MSGLs), flutes and subglacial ribs (also known as Rogen moraines or ribbed moraines) are typical landforms of the ice-bed interface (Clark, 2010).…”

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confidence: 99%

“…Studies on Alpine foreland drumlins date back to the late 19th and early 20th centuries. Past research focused on sedimentological composition of drumlins as well as drumlin distribution and morphology (Bodenburg Hellmund, 1909;Brückner, 1886;de Jong, 1983;Ebers, 1926Ebers, , 1960Ellwanger, 1990Ellwanger, , 1994Früh, 1904;German, 1977;Glückert, 1974;Grünvogel, 1953;Habbe, 1988Habbe, , 1989Habbe, , 1992Schreiner, 1976). Alpine drumlins contain a range of unconsolidated sediments (till, gravel, gravel mantled by or interbedded with till, deltaic sediment and ice marginal sediment) and also can be cored by Molasse bedrock (Brauhäuser, 1976;de Jong, 1983;Ellwanger, 1990Ellwanger, , 1992Erb, 1986;Grünvogel, 1953;Habicht et al, 1986;Saxer, 1965;Schmidle, 1914Schmidle, , 1916Schmidt & Münst, 1979;Schreiner, 1976;.…”

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confidence: 99%

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Reconstructing basal ice flow patterns of the Last Glacial Maximum Rhine glacier (northern Alpine foreland) based on streamlined subglacial landforms

Kamleitner,

Ivy‐Ochs,

Salcher

et al. 2023

Earth Surf Processes Landf

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Based on high‐resolution (sub)glacial geomorphological mapping, we present a first digital inventory of streamlined bedforms within the footprint of a Last Glacial Maximum (LGM) Alpine piedmont glacier. A total of 2460 drumlins were mapped across the Rhine glacier foreland. Glacial lineations and one field of subglacial ribs (ribbed/Rogen moraines) — the first record of this type of subglacial landform on the Alpine foreland—were identified. Two flowsets, associated with (i) the Rhine glacier's LGM maximum advance (Schaffhausen stadial) and (ii) a late LGM readvance (Stein am Rhein stadial), are differentiated. The vast majority of streamlined bedforms occur in fields aligned in a 16‐ to 30‐km‐wide swath upstream of the Stein am Rhein frontal moraines. Orientation and elongation of drumlins and glacial lineations set the basis for the reconstruction of paleo‐ice flow. Basal flow paths of the LGM maximum advance are visually interpreted and restricted to the zone proximal to the former ice front. The flow field reconstructed for the late LGM glacier readvance (Stein am Rhein stadial) extends tens of kilometres upstream and is modelled implementing a recently published kriging routine. The derived basal flow patterns paired with information on ice surface levels from lateral and frontal moraines and combined with relative ice velocity differences inferred from spatial changes in bedform elongation reveal detailed insights on ice flow geometries, particularly during the glacier readvance. Reconstructed flowlines highlight basal flow under shallow ice that is strongly controlled by local topography evidenced by diverging around basal bumps and converging in (narrow) valley sections and troughs, where basal flow velocities, steered by topography, are high. Gained paleo‐ice basal flow patterns offer new insights on landscape evolution of the northern Alpine foreland and provide evidence‐based flow data to validate future physical modelling results.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Reconstructing basal ice flow patterns of the Last Glacial Maximum Rhine glacier (northern Alpine foreland) based on streamlined subglacial landforms

Kamleitner,

Ivy‐Ochs,

Salcher

et al. 2023

Earth Surf Processes Landf

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Genesis of Boston Harbor drumlins, Massachusetts

Newman

Mickelson

1994

Sedimentary Geology

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The composition and internal structure of drumlins: Complexity, commonality, and implications for a unifying theory of their formation

Stokes

Spagnolo

Clark

2011

Earth-Science Reviews

100

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2011) 'The composition and internal structure of drumlins :Complexity, commonality, and implications for a unifying theory of their formation.', Earth science reviews., 107 (3-4). pp. 398-422. Further information on publisher's website:http://dx.doi.org/10. 1016/j.earscirev.2011.05.001 Publisher's copyright statement: NOTICE: this is the author's version of a work that was accepted for publication in 'Earth science reviews'. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reected in this document. Changes may have been made to this work since it was submitted for publication. A denitive version was subsequently published in Earth science reviews, 107 (3-4), 2011, 10.1016/j.earscirev.2011.05.001 Additional information: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. Abstract: 11Investigation of drumlins is significant to both glaciology and palaeoglaciology but 12 the sheer diversity of their composition and internal structure is often cited as a major 13 obstacle towards a satisfactory explanation of their formation. Hypotheses that receive 14 support in one location are all too easily falsified by data from drumlins elsewhere; 15 but most observations are gleaned from rather small sample sizes, which may not be 16 representative and, in extreme cases, may not offer a valid hypothesis test. This paper 17 addresses this problem and presents the first systematic survey of the vast literature on 18 the composition and internal structure of drumlins. The overall aim is to provide a 19 concise summary of observations and identify any emergent patterns or trends 20 (commonality versus complexity) that hypotheses of drumlin formation should be 21 able to explain. Results confirm that investigations are often limited by availability of 22 suitable sediment exposures (40% of studies report data from <5 drumlins and 44% 23 do not specify sample size), although borehole data and geophysical techniques can 24 alleviate this problem. It is clear that the constituents of drumlins are incredibly 25 diverse in terms of their composition (e.g. a range of lithologies, clast shapes, sizes 26 and fabrics); structure (e.g. sediments that are stratified, homogeneous, surface 27 conformable, unconformable); and evidence of deformation (e.g. ranging from 28 widespread, to partial, to absent). Despite this diversity, our review leads us to suggest 29 that drumlin composition can be simplified to five basic types: (i), mainly b...

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On the origin of the drumlins of the South German Alpine Foreland (II): The sediments underneath

Cited by 5 publications

References 2 publications

Reconstructing basal ice flow patterns of the Last Glacial Maximum Rhine glacier (northern Alpine foreland) based on streamlined subglacial landforms

Reconstructing basal ice flow patterns of the Last Glacial Maximum Rhine glacier (northern Alpine foreland) based on streamlined subglacial landforms

Genesis of Boston Harbor drumlins, Massachusetts

The composition and internal structure of drumlins: Complexity, commonality, and implications for a unifying theory of their formation

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