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Reconstruction of Late Pleistocene paleoenvironments in southern Germany using two high-resolution loess-paleosol records

Abstract

Two loess-paleosol sequences from the Heilbronn Basin in southwestern Germany, Frankenbach and Talheim, have been investigated to gain information about environmental conditions during the last interglacial-glacial cycle. Since paleoenvironmental research on terrestrial archives is crucial for a better understanding of past climatic and environmental conditions, the profiles were studied using a multi-proxy approach. Applied methods include the analyses of grain-size distribution, element contents, sediment color, rock magnetism, micromorphology, and black carbon (BC) via benzene polycarboxylic acids (BPCA). The data reveal that the two profiles show large variations in conservation due to their different geomorphologic positions. Moreover, the results imply a subarctic climate with stable conditions during the Middle Pleniglacial (MIS 3) in-situ soil formation phase while the Lower Pleniglacial (MIS 4) was characterized by erosion and reworking of Eemian and Early Glacial (MIS 5) material but also by accumulation of aeolian material during the late Lower Pleniglacial (MIS 4) in Frankenbach. The results further suggest that the Rhine River floodplain has been a major source for the accumulated material in the two profiles, which indicates westerly wind directions during the time of accumulation. The low GSI and U-Ratio of Upper Pleniglacial (MIS 2) sediments, supported by the overall high content of fine material, imply a larger distance to the source area. We give an overview of loess in the Heilbronn Basin and place it in a wider context of loess in Western Europe.

Resources

url https://doi.org/10.1016/j.palaeo.2017.11.043 Accessed 8 times | Last updated 18.12.2018

Bibliography

Krauß, L., Kappenberg, A., Zens, J., Kehl, M., Schulte, P., Zeeden, C., Eckmeier, E., Lehmkuhl, F. (2018): Reconstruction of Late Pleistocene paleoenvironments in southern Germany using two high-resolution loess-paleosol records. – In: Palaeogeography, Palaeoclimatology, Palaeoecology, Vol. 509, p: 58-76, DOI: 10.1016/j.palaeo.2017.11.043

Authors Krauß, Lydia and Kappenberg, Arne and Zens, Joerg and Kehl, Martin and Schulte, Philipp and Zeeden, Christian and Eckmeier, Eileen and Lehmkuhl, Frank
Type article
Title Reconstruction of Late Pleistocene paleoenvironments in southern Germany using two high-resolution loess-paleosol records
DOI 10.1016/j.palaeo.2017.11.043
Journal Palaeogeography, Palaeoclimatology, Palaeoecology
Year 2018
Volume 509
Pages 58-76
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