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Vasil'chuk, Yurij K; Makeev, V M; Maslakov, Alexey A; Budantseva, Nadine A; Vasil'chuk, Alla Constantinovna (2020): Late Pleistocene and Early Holocene winter air temperatures in Kotelny Island: reconstructions using stable isotopes of ice wedges [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.915955

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Abstract:
Late Pleistocene and Holocene winter air temperatures in Kotelny Island, northeastern Russian Arctic, have been reconstructed using oxygen isotope compositions of ice wedges and correlated with evidence of Late Pleistocene and Holocene climate variations inferred from pollen data. The δ18О values range exceeds 6 ‰ in Late Pleistocene ice wedges but is only 1.5 ‰ in the Holocene ones (-30.6 ‰ to -24.0 ‰ against -23.1 ‰ to -21.6 ‰, respectively). The Late Pleistocene mean January air temperatures in Kotelny Island were 10-12 °С lower than the respective present temperature. On the other hand, mean winter temperatures in cold substages during the Karga interstadial were colder than those during the Sartan glacial event. The Late Pleistocene-Holocene climate history included several warm intervals when air temperatures were high enough to maintain the existence of low canopy tree patches in Kotelny Island. Mean January air temperatures in the early Holocene were only 1.0-1.5 °С lower than now. The early Holocene vegetation conditions were favorable for prolific growth of shrubs and fast peat accumulation.
Keyword(s):
Arctic islands; Holocene; ice complex; ice wedge; Late Pleistocene; oxygen and hydrogen stable isotopes; radiocarbon age; winter paleotemperature; Yedoma
Related to:
Vasil'chuk, Yurij K; Makeev, V M; Maslakov, Alexey A; Budantseva, Nadine A; Vasil'chuk, Alla Constantinovna (2019): Late Pleistocene and Early Holocene winter air temperatures in Kotelny Island: reconstructions using stable isotopes of ice wedges. Earth's Cryosphere, XXIII(2), https://doi.org/10.21782/EC2541-9994-2019-2(12-24)
Further details:
Dereviagin, Alexander Yu; Kunitsky, Victor V; Meyer, Hanno (2007): Composite wedges in the North of Yakutia. Kriosfera Zemli XI, 1, 62-71
Meyer, Hanno; Dereviagin, Alexander Yu; Siegert, Christine; Schirrmeister, Lutz; Hubberten, Hans-Wolfgang (2002): Palaeoclimate reconstruction on Big Lyakhovsky Island, North Siberia - Hydrogen and oxygen isotopes in ice wedges. Permafrost and Periglacial Processes, 13, 91-105, https://doi.org/10.1002/ppp.416
Pavlova, Elena Yu; Dorozhkina, Marina V; Pitulko, V V (2009): The latest Late Pleistocene climate and environment of the Anjou Islands: Paleogeographic reconstructions [in Russian]. Global Arctic and Subarctic Geology, Proc. XLII Tectonic Conf., 2, 97-101
Schirrmeister, Lutz; Grosse, Guido; Kunitsky, Victor V; Meyer, Hanno; Derevyagin, Aleksandr Yu; Kuznetsova, Tatyana V (2003): Permafrost, periglacial and paleo-environmental studies on New Siberian islands. Reports on Polar and Marine Reasearch, 466, 195-341, https://epic.awi.de/id/eprint/11382/
Vasil'chuk, Yurij K (1992): Oxygen Isotope Composition of Ground Ice (Application to Paleogeocryological Reconstructions) [in Russian]. Theor. Probl. Dept., RAS, Moscow University, Research Institute of Engineering for Construction (PNIIIS), Moscow (Volume 1, 420 pp., Volume 2, 264 pp.)
Coverage:
Median Latitude: 74.277771 * Median Longitude: 147.605911 * South-bound Latitude: 69.784675 * West-bound Longitude: 137.666556 * North-bound Latitude: 77.100000 * East-bound Longitude: 168.656655
Comment:
Data was submitted and proofread by Yurij K Vasil'chuk and Lyubov Bludushkina at the faculty of Geography, department of Geochemistry of Landscapes and Geography of Soils, Lomonosov Moscow State University.
Size:
4 datasets

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