Articles | Volume 21, issue 7
https://doi.org/10.5194/cp-21-1143-2025
https://doi.org/10.5194/cp-21-1143-2025
Research article
 | 
08 Jul 2025
Research article |  | 08 Jul 2025

Newly dated permafrost deposits and their paleoecological inventory reveal an Eemian much warmer than today in Arctic Siberia

Lutz Schirrmeister, Margret C. Fuchs, Thomas Opel, Andrei Andreev, Frank Kienast, Andrea Schneider, Larisa Nazarova, Larisa Frolova, Svetlana Kuzmina, Tatiana Kuznetsova, Vladimir Tumskoy, Heidrun Matthes, Gerrit Lohmann, Guido Grosse, Viktor Kunitsky, Hanno Meyer, Heike H. Zimmermann, Ulrike Herzschuh, Thomas Böhmer, Stuart Umbo, Sevi Modestou, Sebastian F. M. Breitenbach, Anfisa Pismeniuk, Georg Schwamborn, Stephanie Kusch, and Sebastian Wetterich

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Cited articles

Alekseev, M. N. and Drushchits, V. A.: Climatic events of the Kazantsevo Interglacial and Holocene of the Eastern part of the Russian shelf and Siberia, Bulletin of the Quaternary Commission, 64, 78–88, 2001 (in Russian). 
Alekseev, M. N., Arkhangelov, A. A., Oolubeva, L. V., and Sulerzhitsky, L. D.: Paleoecological correlation of the Quaternary events on the shelf and intracontinental areas of Eastern Siberia Geological – Paleoecological situations for the Quaternary for the XIII Congress of INQUA, China, 1991, 1991a (in Russian). 
Alekseev, M. N., Arkhangelov, A. A., Ivanova, N. M., Paty-kara, N. G., Plakht, I. V., Sekretov, S. B., and Shkarubo, S. I.: Laptev Sea and East-Sibirian Cenozoic – Atlas of paleogeographic map of Eurasian shelf during the Mesozoic and Cenozoic, Volume 1 Moscow, Inst. of Geology, Russian Academy of Science, 1–20, 1991b (in Russian). 
Aleksandrova, V. D.: The Arctic and Antarctic, their division into geobotanical areas, Cambridge University Press, 247 pp., Komarov Lecture 29, ISBN-10 0521231191, 1980. 
Alfimov, A. V., Berman, D. I., and Sher, A. V.: Tundra-steppe insect assemblages and reconstruction of Late Pleistocene climate in the lower reaches of the Kolyma River, Zoologicheskiy Zhurnal, 82, 281–300, 2003 (in Russian). 
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Geochronological, cryolithological, paleoecological, and modeling data reconstruct the Last Interglacial (LIG) climate around the New Siberian Islands and reveal significantly warmer conditions compared to today. The critical challenges in predicting future ecosystem responses lie in the fact that the land–ocean distribution during the LIG was markedly different from today, affecting the degree of continentality, which played a major role in modulating climate and ecosystem dynamics.
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