Articles | Volume 15, issue 4
Clim. Past, 15, 1443–1461, 2019
https://doi.org/10.5194/cp-15-1443-2019
Clim. Past, 15, 1443–1461, 2019
https://doi.org/10.5194/cp-15-1443-2019

Research article 02 Aug 2019

Research article | 02 Aug 2019

Past climate and continentality inferred from ice wedges at Batagay megaslump in the Northern Hemisphere's most continental region, Yana Highlands, interior Yakutia

Thomas Opel et al.

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Cited articles

Ashastina, K., Schirrmeister, L., Fuchs, M., and Kienast, F.: Palaeoclimate characteristics in interior Siberia of MIS 6–2: first insights from the Batagay permafrost mega-thaw slump in the Yana Highlands, Clim. Past, 13, 795–818, https://doi.org/10.5194/cp-13-795-2017, 2017. 
Ashastina, K., Kuzmina, S., Rudaya, N., Troeva, E., Schoch, W. H., Römermann, C., Reinecke, J., Otte, V., Savvinov, G., Wesche, K., and Kienast, F.: Woodlands and steppes: Pleistocene vegetation in Yakutia's most continental part recorded in the Batagay permafrost sequence, Quaternary Sci. Rev., 196, 38–61, https://doi.org/10.1016/j.quascirev.2018.07.032, 2018. 
Blinov, A., Alfimov, V., Beer, J., Gilichinsky, D., Schirrmeister, L., Kholodov, A., Nikolskiy, P., Opel, T., Tikhomirov, D., and Wetterich, S.: Ratio of Cl-36/Cl in ground ice of east Siberia and its application for chronometry, Geochem. Geophy. Geosy., 10, Q0AA03, https://doi.org/10.1029/2009gc002548, 2009. 
Bronk Ramsey, C.: Bayesian Analysis of Radiocarbon Dates, Radiocarbon, 51, 337–360, 2009. 
Craig, H.: Isotopic variations in meteoric waters, Science, 133, 1702–1703, 1961. 
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Short summary
To reconstruct past winter climate, we studied ice wedges at two sites in the Yana Highlands, interior Yakutia (Russia), the most continental region of the Northern Hemisphere. Our ice wedges of the upper ice complex unit of the Batagay megaslump and a river terrace show much more depleted stable-isotope compositions than other study sites in coastal and central Yakutia, reflecting lower winter temperatures and a higher continentality of the study region during Marine Isotope Stages 3 and 1.