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Shift of large-scale atmospheric systems over Europe during late MIS 3 and implications for Modern Human dispersal

Abstract

Understanding the past dynamics of large-scale atmospheric systems is crucial for our knowledge of the palaeoclimate conditions in Europe. Southeastern Europe currently lies at the border between Atlantic, Mediterranean, and continental climate zones. Past changes in the relative influence of associated atmospheric systems must have been recorded in the region’s palaeoarchives. By comparing high-resolution grain-size, environmental magnetic and geochemical data from two loess-palaeosol sequences in the Lower Danube Basin with other Eurasian palaeorecords, we reconstructed past climatic patterns over Southeastern Europe and the related interaction of the prevailing large-scale circulation modes over Europe, especially during late Marine Isotope Stage 3 (40,000–27,000 years ago). We demonstrate that during this time interval, the intensification of the Siberian High had a crucial influence on European climate causing the more continental conditions over major parts of Europe, and a southwards shift of the Westerlies. Such a climatic and environmental change, combined with the Campanian Ignimbrite/Y-5 volcanic eruption, may have driven the Anatomically Modern Human dispersal towards Central and Western Europe, pointing to a corridor over the Eastern European Plain as an important pathway in their dispersal.

Resources

pdf Obreht et al (2017) Shift of large-scale atmospheric systems.pdf Accessed 37 times | Last updated 03.07.2018
url https://dx.doi.org/10.1038/s41598-017-06285-x Accessed 1014 times | Last updated 03.07.2018

Bibliography

Obreht, I., Hambach, U., Veres, D., Zeeden, C., Bösken, J., Stevens, T., Marković, S., Klasen, N., Brill, D., Burow, C., Lehmkuhl, F. (2017): Shift of large-scale atmospheric systems over Europe during late MIS 3 and implications for Modern Human dispersal. – In: Scientific Reports, Vol. 7, DOI: 10.1038/s41598-017-06285-x

Authors Obreht, Igor and Hambach, Ulrich and Veres, Daniel and Zeeden, Christian and Bösken, Janina and Stevens, Thomas and Marković, Slobodan B. and Klasen, Nicole and Brill, Dominik and Burow, Christoph and Lehmkuhl, Frank
Type article
Title Shift of large-scale atmospheric systems over Europe during late MIS 3 and implications for Modern Human dispersal
DOI 10.1038/s41598-017-06285-x
Journal Scientific Reports
Year 2017
Volume 7
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