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Loess distribution and related Quaternary sediments in the Carpathian Basin

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posted on 14.11.2018 by Frank Lehmkuhl, Janina Bösken, Jan Hošek, Tobias Sprafke, Slobodan B. Marković, Igor Obreht, Ulrich Hambach, Pál Sümegi, Arne Thiemann, Stefanie Steffens, Heiko Lindner, Daniel Veres, Christian Zeeden

Supraregional (palaeo)geoecological studies require detailed knowledge of the distribution of aeolian sediments and their sources. Such spatial data can be visualised and shared in maps, but often these are constrained in their resolution or extent. This is the case for the Carpathian Basin, where cross-border maps are not detailed enough to answer many research questions. Problems occur especially along political borders due to different geological mapping standards and varying lithological definitions. Using a Geographic Information System (GIS), we compiled a map showing the distribution of loess and related Quaternary sediments in the Carpathian Basin, with unprecedented detail. We vectorised and analysed existing data (mainly from geological maps) and combined and transferred these into a common (loess) sediment classification system. This cross-border map shows the distribution of aeolian sediments in the Carpathian Basin at a scale of 1:1,500,000. For the northwestern and the southern Carpathian Basin, we added maps that clarify the extent of late Pleistocene and Holocene terrace and floodplain deposits, which were merged in the Main Map to highlight the predominant dust source areas for this region.

Funding

The investigations were carried out in the frame of the CRC 806 ‘Our way to Europe’, subproject B1 ‘The Eastern Trajectory’: ‘Last Glacial Palaeogeography and Archaeology of the Eastern Mediterranean and of the Balkan Peninsula’, supported by the DFG (Deutsche Forschungsgemeinschaft [grant number INST 216/596-3]).

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