Pedosedimentary record of MIS 5 as an interplay of climatic trends and local conditions: Multi-proxy evidence from the Palaeolithic site of Moravský Krumlov IV (Moravia, Czech Republic)

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Authors

ADAMEKOVÁ Katarína LISÁ Lenka NERUDA Petr PETŘÍK Jan DOLÁKOVÁ Nela NOVÁK Jan VOLÁNEK Jiří

Year of publication 2021
Type Article in Periodical
Magazine / Source CATENA
MU Faculty or unit

Faculty of Science

Citation
Web https://doi.org/10.1016/j.catena.2021.105174
Doi http://dx.doi.org/10.1016/j.catena.2021.105174
Keywords Loess-palaeosol sequence; Eemian Interglacial; Early Weichselian; MIS 5; Micromorphology; Palaeoenvironment
Description Only a few loess–palaeosol sequences from the last climatic cycle (Eemian-Weichselian) in East-Central Europe have been studied and correlated with up-to-date stratigraphic frameworks such as marine isotope stages (MIS) and Greenland Stadials/Interstadials (GS/GI). This paper examines the relations of local conditions and climatic trends to soil development, and the character of vegetation during MIS 5 period at the Palaeolithic site Moravský Krumlov IV. To revise the chronostratigraphy and interpretation of palaeosols, we applied a multi-proxy approach based on soil micromorphology, physical and geochemical analyses together with palaeobotanical evidence and results of optically stimulated luminescence dating. The part of the loess–palaeosol sequence under study was correlated with the Dolní Věstonice sequence and represents a time span from MIS 5e to MIS 5b. It comprises an Eemian luvisol (MIS 5e, Interglacial), an Early Weichselian chernozem (MIS 5e, GI 25) and a colluvium with a pedogenic imprint (MIS 5d, GI 24), loess (MIS 5d, GS 24), regosol (MIS 5c/5d, GI 23), and loess deposits (MIS 5c, GS 23). Unlike for the Dolní Věstonice, the record of MIS 5a has not been proved and there are no markers dividing individual palaeosols. The intensity of weathering is similar to comparable records from the Czech Republic and is elevated compared to Hungarian loess–palaeosol sequences. Evidence of forest vegetation with both deciduous and coniferous trees (MIS 5e, Interglacial) is followed by that of a steppe environment with a mosaic of trees (MIS 5e, GI 25) and, finally, a tundra or forest-tundra vegetation (MIS 5d, GI 24). Eemian luvisol is rarely preserved but recorded in contemporary sequences from the Czech Republic. The Early Weichselian part is rather similar to the record documented across sites in Lower Austria, in contrast to sites from the Czech Republic, and does not fit into the earlier established system of pedocomplexes.

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