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MIS 3–2 PALEO-WINTER TEMPERATURE RECONSTRUCTIONS OBTAINED FROM STABLE WATER ISOTOPE RECORDS OF RADIOCARBON-DATED ICE WEDGES OF THE BATAGAY ICE COMPLEX (YANA UPLAND, EASTERN SIBERIA)
Published online by Cambridge University Press: 09 September 2022
Abstract
The recently formed Batagay mega-thaw slump exposes permafrost deposits to a depth of up to 92 m below ground surface and provides insight into the climate record in the region of the most severe continental climate in the Northern Hemisphere. Radiocarbon and stable isotope data were obtained to verify the age of ice wedges in the Batagay yedoma (upper Ice Complex in the local cryostratigraphy), and to deduce paleoclimate information. A millennial-scale resolution paleotemperature record from radiocarbon-dated ice wedges spans Marine Isotope Stages (MIS) 3–2. The Batagay mean January air paleo-temperature during the 44.9–42 and 30.8–27.1 cal ka BP periods was stable cold has been reconstructed to about –51 ± 3°C each.
- Type
- Conference Paper
- Information
- Radiocarbon , Volume 64 , Issue 6: 3rd Radiocarbon in the Environment Conference Gliwice, Poland, July 5–9, 2021 , December 2022 , pp. 1403 - 1417
- Copyright
- © The Author(s), 2022. Published by Cambridge University Press for the Arizona Board of Regents on behalf of the University of Arizona
Footnotes
Selected Papers from the 3rd Radiocarbon in the Environment Conference, Gliwice, Poland, 5–9 July 2021
References
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