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Found 211 datasets

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Dust deposition during the Early Holocene on the loess plateaus of the Vojvodina region in Northern Serbia

The Northern Serbian province of Vojvodina is a lowland area encompassing the confluence of the Danube, Sava, Tisa (Tisza), Drava, Morava and Tamiš (Temes, Timi ̧s) rivers, which separate several remnant loess plateaus. Loess sediments in the Vojvodina region are among the oldest and most complete loess-paleosol formations in Europe. These thick sequences contain a detailed paleoclimatic record since the Early Pleistocene. The better preservation of Serbian loess-paleosol...
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Concurrent and opposed environmental trends during the last climatic cycle between the Carpathian Basin and the Black Sea coast: evidence from high resolution enviromagnetic records from late glacial loess providing millennial environmental fluctuations

Aeolian dust sediments (loess) are beside marine/lacustrine sediments, speleothemes and arctic ice cores the key archives for the reconstruction of the Quaternary palaeoenvironment in the Eurasian continental mid-latitudes. The Eurasian loess-belt has its western end in the Middle (Carpathian) and the Lower Danube Basin where one can find true loess plateaus dating back more than one million years and comprising a semi-continuous record of Pleistocene environmental change. The loess-palaeosol sequences...
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OSL & pIRIR290 dating of the Stalac loess profile, Serbia

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Analysis of Migration Processes due to Environmental Conditions between 40,000 and 14,000 a BP in the Eastern Mediterranean and Balkan region, Luminescence Dating

Integrated within the collaborative research centre 806 “Our way to Europe” this presentation focuses on the “eastern trajectory” of modern human migration to Europe. This route links the region with the earliest fossils of Homo sapiens sapiens (so far known) in the Middle East, Anatolia, the Balkans and the Northwestern Black Sea. The research emphasis of this project lies on the exact timing of the environmental conditions. To gain an understanding of past environmental conditions and variations, a...
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Sedimentologische und geochemische Analysen des Sandlössprofils Doroshivtsi (West Urkaine)

The concerning sandy loess sequence, that extends to 9 meters, is situated on a slip-off slope of the Dnie-ster near Doroshivtsi in the south-west of the Ukraine. Since 2007, the section is investigated archaeolog-ically. This section is situated on the second terrace in the slope deposits. It is a remarkable sequence of seven consecutive achaeological layers, that are dated to the upper paleolithic. The area of the middle course of the Dniester was one of the most inhabited territories during the...
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Environmental change indicated by grain-size variations and trace elements: An example from the sandy-loess sediments from the Doroshivtsy site (Ukraine) Spatial

The recently discovered loess section of Doroshivtsy became famous due to archeological findings of the Gravettian. The profile represents a about 9 m sequence of sandy loess, intercalated by more humic horizons. It is situated in a flat gully and at an undercut slope of the Dniester River close to the village Doroshivtsy in the south-western Ukraine. Radiocarbon dating and luminescence ages are conclusive within the expected age range of the Gravettian period (22-28 ka). The loess section is composed...
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Influence of HCl pretreatment on laser diffraction measurements

Sample pretreatment methods in grain size (GS) analyses differ and their influence on GS distributions has been subject of controversial discussions. The standard sample preparation usually comprises the disaggregation into single primary particles. The organic binding material is oxidized by hydrogen peroxide (H2O2) and the containing carbonates are dissolved by hydrochloric acid (HCl). However, laser diffraction measurements of calcified sediment sequences or sediments with high contents of organic matter...
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Environmental change indicated by grain-size variations and trace elements: examples from two different sections - the sandy-loess sediments from the Doroshivtsy site (Ukraine) and the loess section Semlac (Romania) doi

Loess sequences provide important and at least a partial continuous record of Quaternary palaeoenvironmental change; some of the sequences even bury archaeological remains. In addition, loess-palaeosol sequences provide valuable information concerning environmental change and climate evolution. In this study, we compare two sections: (1) The Middle to Late Pleistocene loesspaleosol section of Semlac in western Romania (MIS 10 – 1), and (2) the sandy-loess section of Doroshivtsy in western Ukraine (MIS...
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GIS-Based Automated Landform Classification for Analysis of Archaeological Sites

This poster presents the first results of an attempt to classify archaeological sites by landform analysis of the landscape. To make further use of modelled DEM-derived site catchments, it is possible to classify the relief to be able to compare the sites environment quantitatively. To achieve that goal, we implemented the TPI-based landform classification approach from Weiss (2001) in ArcGIS and applied it to a study area in Andalusia (Spain) to compare the results for various Solutrean sites. The applied...
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Environmental Conditions during the Last Glacial Cycle in the Northern Harz Foreland

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Inverse modelling of systematic and random uncertainty of luminescence data: Applying Bayesian statistics on luminescence data

Bayesian statistics for higher precision luminescence ages requires separation of uncertainty into random and systematic parts. Here we introduce an inverse modelling approach to estimate a probability density function of the two uncertainty parts, based on published datasets. Each input dataset is tested for their random and systematic uncertainty, which explains reported ages and their number of inversions best. Each set of dates comprises a particular number of age inversions, which are assumed to be the...
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Integrating age information from different localities for stratigraphic marker beds: discussion of the Eltville tephra age (Western Europe)

Stratigraphic marker beds are often used in geosciences for regional and global correlation. For various reasons dating those layers directly proves to be difficult sometimes. In such cases ages from above and below such a horizon represent minimum- and maximum-ages. If these ages are determined from more than one location, it is possible to combine these ages, test their consistency and finally derive an age in agreement with the findings from most localities. Several approaches to integrate the age...
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