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)

Авторы: Vasil'chuk Yu K., Vasil'chuk J.Yu, Budantseva N.A., Vasil'chuk A.C.
Журнал: Radiocarbon
Том: 64
Номер: 6
Год издания: 2023
Издательство: American Journal of Science
Местоположение издательства: United States
Первая страница: 1403
Последняя страница: 1417
DOI: 10.1017/RDC.2022.60
Аннотация: 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 January air paleo-temperature during the 44.9–42 and 27.1 cal ka BP periods was stable cold has been reconstructed to about –51 ± 3°C each.
Добавил в систему: Васильчук Алла Константиновна

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