Schulze, Tabea; Schwahn, Lea; Fülling, Alexander; Zeeden, Christian; Preusser, Frank; Sprafke, Tobias (2022). Investigating the loess–palaeosol sequence of Bahlingen-Schönenberg (Kaiserstuhl), southwestern Germany, using a multi-methodological approach. E&G quaternary science journal, 71(2), pp. 145-162. Copernicus Publications 10.5194/egqsj-71-145-2022
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Loess–palaeosol sequences (LPSs) are key archives for the reconstruction of Quaternary environmental conditions, but there is a lack of investigated records from the southern Upper Rhine Graben (southwestern Germany). To close this gap, a LPS at Bahlingen-Schönenberg was investigated at high resolution using a multi-method approach. Infrared stimulated luminescence screening reveals a major hiatus in the lower part of the LPS that according to luminescence dating is older than marine isotope stage (MIS) 4. The section above the hiatus formed by quasi-continuous loess sedimentation between ca. 34 and 27 ka, interrupted by phases of weak reductive pedogenesis. The fact that this pedogenesis is much weaker compared to corresponding horizons in the more northerly part of the Upper Rhine Graben could be due to regionally drier conditions caused by a different atmospheric circulation pattern at the time of deposition. Our results reinforce earlier notions that the major environmental shifts leading into the Last Glacial Maximum (LGM) of southern Central Europe significantly predate the transition of MIS 3 to 2 (ca. 29 ka). In particular, the last massive phase of loess accumulation started several thousand years prior to the arrival of glaciers in the foreland of the Alps, which raises questions regarding the source and transport paths of the dust. It is also noted that no loess dating to the LGM or the time thereafter was observed due to either a lack of deposition or later erosion.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
08 Faculty of Science > Institute of Geography > Geographies of Sustainability > Unit Land Systems and Sustainable Land Management (LS-SLM) 08 Faculty of Science > Institute of Geography > Geographies of Sustainability 08 Faculty of Science > Institute of Geography |
UniBE Contributor: |
Sprafke, Tobias |
Subjects: |
900 History > 910 Geography & travel 500 Science 500 Science > 550 Earth sciences & geology |
ISSN: |
2199-9090 |
Publisher: |
Copernicus Publications |
Language: |
English |
Submitter: |
Tobias Norbert Sprafke |
Date Deposited: |
30 Jun 2023 07:14 |
Last Modified: |
30 Jun 2023 07:14 |
Publisher DOI: |
10.5194/egqsj-71-145-2022 |
BORIS DOI: |
10.48350/184249 |
URI: |
https://boris.unibe.ch/id/eprint/184249 |
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