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Climatic and environmental oscillations in southeastern Ukraine from 30 to 10 ka, inferred from pollen and lithopedology

By
Natalia P. Gerasimenko
Natalia P. Gerasimenko
Earth Sciences and Geomorphology Department, Taras Shevchenko National University of Kyiv, Glushkova 2, Kyiv, DSP 680, Ukraine
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Published:
January 01, 2011

Pollen and lithopedological data were obtained from Upper Paleolithic sites and Upper Pleistocene loess-soil sequences located between the Sea of Azov and the River Donets, and in the foothills of the Crimean Mountains. During the last Middle Pleniglacial interstadial (Upper Vytachiv soil, 30–27 ka), there existed boreal steppe (south-boreal forest-steppe in Crimea). During the Late Pleniglacial, two main phases of loess accumulation occurred, which were separated by the phase of initial pedogenesis. The loess accumulated under subperiglacial xeric steppe (particularly dry at 15–13 ka), and the incipient soils (Dofinivka unit, 18–15 ka) formed under boreal grassland. During the Late Glacial interstadials, there existed boreal and south-boreal forest-steppe with a relatively wet climate (middle Prychernomorsk soil unit, the upper soil 11.8–11.4 ka). During the Younger Dryas, grassland reappeared under a dry and cool climate (10.9–10.5 ka). Paleoclimatic changes demonstrate the same pattern in both studied areas, and they correspond well with Black Sea transgressive-regressive cycles. Regional differences still existed—during all phases, the climate was the mildest in the western foothills of the Crimean Mountains, the coldest in the Donetsk Upland, and the driest near the Sea of Azov.

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GSA Special Papers

Geology and Geoarchaeology of the Black Sea Region: Beyond the Flood Hypothesis

Ilya V. Buynevich
Ilya V. Buynevich
Department of Earth and Environmental Science, Temple University, Philadelphia, Pennsylvania, USA
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Valentina Yanko-Hombach
Valentina Yanko-Hombach
Avalon Institute of Applied Science, Winnipeg, Manitoba, Canada, and Department of Physical and Marine Geology, Odessa National I.I. Mechnikov University, Odessa, Ukraine
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Allan S. Gilbert
Allan S. Gilbert
Department of Sociology and Anthropology, Fordham University, Bronx, New York, USA
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Ronald E. Martin
Ronald E. Martin
Department of Geological Sciences, University of Delaware, Newark, Delaware, USA
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Geological Society of America
Volume
473
ISBN print:
9780813724737
Publication date:
January 01, 2011

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