Paleoenvironments from robust loess stratigraphy using high-resolution color and grain-size data of the last glacial Krems-Wachtberg record (NE Austria)
The complex interplay of dust sedimentation, pedogenesis, and erosion/reworking in the formation of loess-paleosol sequences (LPS) challenges paleoenvironmental proxies. Here we show that color and grain size are essential parameters characterizing loess profiles and support robust stratigraphies as...
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ftdatacite:10.48350/149559 2023-05-15T16:29:52+02:00 Paleoenvironments from robust loess stratigraphy using high-resolution color and grain-size data of the last glacial Krems-Wachtberg record (NE Austria) Sprafke, Tobias Schulte, Philipp Meyer-Heintze, Simon Händel, Marc Einwögerer, Thomas Simon, Ulrich Peticzka, Robert Schäfer, Christian Lehmkuhl, Frank Terhorst, Birgit 2020 https://dx.doi.org/10.48350/149559 https://boris.unibe.ch/149559/ unknown Elsevier open access Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 http://purl.org/coar/access_right/c_abf2 CC-BY 550 Earth sciences & geology 910 Geography & travel 930 History of ancient world to ca. 499 Text article-journal journal article ScholarlyArticle 2020 ftdatacite https://doi.org/10.48350/149559 2021-11-05T12:55:41Z The complex interplay of dust sedimentation, pedogenesis, and erosion/reworking in the formation of loess-paleosol sequences (LPS) challenges paleoenvironmental proxies. Here we show that color and grain size are essential parameters characterizing loess profiles and support robust stratigraphies as a basis for reconstructions in the context of local geo-ecological and large-scale paleoclimatic evolution. Detailed paleoenvironmental records from the period since the arrival of anatomically modern humans to the last glacial maximum are scarce in the Alpine surroundings. The c. 7.5 m thick LPS Krems-Wachtberg, NE Austria, known for its well-preserved Upper Paleolithic context at a depth of 5.5 m, formed between 40 and 20 ka BP by quasi-continuous dust-sedimentation, interrupted by phases of incipient pedogenesis and local reworking. The new KW2015 composite is based on three sections studied and sampled at 2.5 cm resolution. Color and grain size data support a robust stratigraphy for reconstructions of the pedosedimentary evolution. The marked transition from oxidized to reduced paleosols of KW2015 around 34–35 ka corresponds to the Middle-to Upper Pleniglacial transition as part of a general cooling trend from marine isotope stage (MIS) 3 to 2, intensely modulated by millennial-scale climatic fluctuations as recorded in the Greenland ice core data. The distinct response of KW2015 to these trends highlights that reconstructing LPS evolution based on a robust stratigraphy is a prerequisite to paleoenvironmental proxy interpretation. Text Greenland Greenland ice core ice core DataCite Metadata Store (German National Library of Science and Technology) Greenland |
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DataCite Metadata Store (German National Library of Science and Technology) |
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topic |
550 Earth sciences & geology 910 Geography & travel 930 History of ancient world to ca. 499 |
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550 Earth sciences & geology 910 Geography & travel 930 History of ancient world to ca. 499 Sprafke, Tobias Schulte, Philipp Meyer-Heintze, Simon Händel, Marc Einwögerer, Thomas Simon, Ulrich Peticzka, Robert Schäfer, Christian Lehmkuhl, Frank Terhorst, Birgit Paleoenvironments from robust loess stratigraphy using high-resolution color and grain-size data of the last glacial Krems-Wachtberg record (NE Austria) |
topic_facet |
550 Earth sciences & geology 910 Geography & travel 930 History of ancient world to ca. 499 |
description |
The complex interplay of dust sedimentation, pedogenesis, and erosion/reworking in the formation of loess-paleosol sequences (LPS) challenges paleoenvironmental proxies. Here we show that color and grain size are essential parameters characterizing loess profiles and support robust stratigraphies as a basis for reconstructions in the context of local geo-ecological and large-scale paleoclimatic evolution. Detailed paleoenvironmental records from the period since the arrival of anatomically modern humans to the last glacial maximum are scarce in the Alpine surroundings. The c. 7.5 m thick LPS Krems-Wachtberg, NE Austria, known for its well-preserved Upper Paleolithic context at a depth of 5.5 m, formed between 40 and 20 ka BP by quasi-continuous dust-sedimentation, interrupted by phases of incipient pedogenesis and local reworking. The new KW2015 composite is based on three sections studied and sampled at 2.5 cm resolution. Color and grain size data support a robust stratigraphy for reconstructions of the pedosedimentary evolution. The marked transition from oxidized to reduced paleosols of KW2015 around 34–35 ka corresponds to the Middle-to Upper Pleniglacial transition as part of a general cooling trend from marine isotope stage (MIS) 3 to 2, intensely modulated by millennial-scale climatic fluctuations as recorded in the Greenland ice core data. The distinct response of KW2015 to these trends highlights that reconstructing LPS evolution based on a robust stratigraphy is a prerequisite to paleoenvironmental proxy interpretation. |
format |
Text |
author |
Sprafke, Tobias Schulte, Philipp Meyer-Heintze, Simon Händel, Marc Einwögerer, Thomas Simon, Ulrich Peticzka, Robert Schäfer, Christian Lehmkuhl, Frank Terhorst, Birgit |
author_facet |
Sprafke, Tobias Schulte, Philipp Meyer-Heintze, Simon Händel, Marc Einwögerer, Thomas Simon, Ulrich Peticzka, Robert Schäfer, Christian Lehmkuhl, Frank Terhorst, Birgit |
author_sort |
Sprafke, Tobias |
title |
Paleoenvironments from robust loess stratigraphy using high-resolution color and grain-size data of the last glacial Krems-Wachtberg record (NE Austria) |
title_short |
Paleoenvironments from robust loess stratigraphy using high-resolution color and grain-size data of the last glacial Krems-Wachtberg record (NE Austria) |
title_full |
Paleoenvironments from robust loess stratigraphy using high-resolution color and grain-size data of the last glacial Krems-Wachtberg record (NE Austria) |
title_fullStr |
Paleoenvironments from robust loess stratigraphy using high-resolution color and grain-size data of the last glacial Krems-Wachtberg record (NE Austria) |
title_full_unstemmed |
Paleoenvironments from robust loess stratigraphy using high-resolution color and grain-size data of the last glacial Krems-Wachtberg record (NE Austria) |
title_sort |
paleoenvironments from robust loess stratigraphy using high-resolution color and grain-size data of the last glacial krems-wachtberg record (ne austria) |
publisher |
Elsevier |
publishDate |
2020 |
url |
https://dx.doi.org/10.48350/149559 https://boris.unibe.ch/149559/ |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Greenland ice core ice core |
genre_facet |
Greenland Greenland ice core ice core |
op_rights |
open access Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 http://purl.org/coar/access_right/c_abf2 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.48350/149559 |
_version_ |
1766019578169655296 |